The complete catalogue

Every template, all 177

What each one does, the category it belongs to, and the permissions it declares. Every template is a Manifest V3 starter delivered as readable source. None of them makes a network call — an automated check enforces that on every release.

How to install one · Browse with previews and filters · Build one that is not here

Tabs, Reading & Focus

Save sessions, review duplicates, snooze, remind, label, export, queue & launch workspaces. · 22 templates

  • Tab Workspace & Session Saver

    preview

    Saves named tab sets and restores a selected workspace.

    Permissions: tabs, storage

    Chrome will say at install: “Read your browsing history”

  • Duplicate Tab Review & Cleanup

    preview

    Finds exact duplicate URLs, excludes pinned tabs, and requires confirmation before closing.

    Permissions: tabs

    Chrome will say at install: “Read your browsing history”

  • Tab Snoozer

    vault

    Closes a selected tab and reopens it at a chosen date/time.

    Permissions: tabs, alarms, storage

    Chrome will say at install: “Read your browsing history”

  • Tab Expiry Reminder

    vault

    Flags long-open tabs and lets users review, keep, snooze, or close them.

    Permissions: tabs, alarms, storage

    Chrome will say at install: “Read your browsing history”

  • Tab Title Labeler

    vault

    Applies local short labels to research/project tabs for faster scanning.

    Permissions: activeTab, storage

    Chrome shows no warning when you install this

  • Tab URL List Copier

    vault

    Copies current-window URLs as plain text, Markdown links, CSV, or HTML list.

    Permissions: tabs, clipboardWrite

    Chrome will say at install: “Read your browsing history”

  • Reading Queue Shelf

    vault

    Saves current pages into a local read-later queue with tags, notes, and status.

    Permissions: tabs, storage

    Chrome will say at install: “Read your browsing history”

  • Focus Workspace Launcher

    vault

    Opens a selected project workspace and groups related tabs for a focus session.

    Permissions: tabs, tabGroups, storage

    Chrome will say at install: “Read your browsing history” · “View and manage your tab groups”

  • Everything Switcher

    vault

    A keyboard-summoned fuzzy finder across open tabs, bookmarks, Reading List and recently closed tabs; Enter jumps, Shift+Enter closes, Alt+Enter pulls a tab here.

    Permissions: tabs, bookmarks, readingList, sessions, commands

    Chrome will say at install: “Read your browsing history on all your signed-in devices” · “Read and change your bookmarks” · “Read and change entries in the reading list”

  • Closed Tab Recall

    vault

    A searchable, keyboard-driven timeline of recently closed tabs and windows; restore one tab, a whole window, or drop it into the current tab group.

    Permissions: sessions, tabs, commands

    Chrome will say at install: “Read your browsing history on all your signed-in devices”

  • Omnibox Alias Launcher

    vault

    Type go, a space and a short alias in the address bar (go mail, go jira 1234) to open a saved URL, with a {q} token for arguments and tab reuse.

    Permissions: omnibox, storage, tabs

    Chrome will say at install: “Read your browsing history”

  • Panic & Idle Sweeper

    vault

    One shortcut, or an idle timeout, closes every incognito window and any tab on your private domain list, optionally replacing the front tab with a neutral page.

    Permissions: commands, idle, tabs, windows, storage

    Chrome will say at install: “Read your browsing history”

  • Sprint Tab Group

    vault

    Turns a tab group into a timeboxed sprint: the group title becomes a live countdown, its color shifts as time runs low, and at zero it collapses and asks to extend or close.

    Permissions: tabs, tabGroups, alarms, notifications, storage

    Chrome will say at install: “Read your browsing history” · “Display notifications” · “View and manage your tab groups”

  • Distraction Fence Timer

    vault

    Counts only active, non-idle minutes on the distracting domains you list; once the daily allowance is spent, new visits land on a local fence page with a deliberate typed override.

    Permissions: tabs, storage, alarms, idle

    Chrome will say at install: “Read your browsing history”

  • Idle Tab Freezer

    vault

    Discards tabs you have not looked at for a set number of minutes, or everything inactive once you step away, skipping pinned, audible and allowlisted tabs, with a badge count and a summary.

    Permissions: tabs, idle, alarms, storage

    Chrome will say at install: “Read your browsing history”

  • Tab Budget Gate

    vault

    Set a maximum tab count per window; the badge shows how many are left, and once you are over, the popup lists the oldest untouched tabs to close, pin or bookmark.

    Permissions: tabs, storage, bookmarks

    Chrome will say at install: “Read your browsing history” · “Read and change your bookmarks”

  • Tab Sort & Domain Grouper

    vault

    One click or shortcut sorts the window's tabs by domain, title or last use, optionally wraps each domain cluster into a colored, named tab group and collapses the rest.

    Permissions: tabs, tabGroups, commands, storage

    Chrome will say at install: “Read your browsing history” · “View and manage your tab groups”

  • Incognito Handoff

    vault

    Reopens the current tab, a right-clicked link, or every tab from one domain in a new incognito window and closes the originals.

    Permissions: contextMenus, tabs, windows

    Chrome will say at install: “Read your browsing history”

  • Favicon Countdown Timer

    vault

    Draws a countdown onto the page's own favicon, so the time left is visible in the tab strip while you work in another window.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Focus Board New Tab

    vault

    Replaces the new tab page with a small local board of what you are doing, what is next and what you finished today, so the tab you open by reflex shows the work.

    Permissions: storage

    Chrome will say at install: “Replace the page you see when opening a new tab”

  • Float Anything

    vault

    Pops any part of any page - a timer, a live score, a chart, a chat - into a small window that stays on top of every app.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Search Inside Every Tab

    vault

    Searches the text inside every open tab at once, shows where each match is, and jumps to it.

    Permissions: scripting

    Chrome shows no warning when you install this

Clean, track, inspect, extract, clip, transform, format & compare text and links. · 17 templates

  • Copy Clean Link

    preview

    Removes recognized tracking parameters from current URL and copies the clean version.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • UTM Campaign Builder

    preview

    Builds campaign URLs from your parameters, validates them, and copies the result.

    Permissions: tabs, clipboardWrite

    Chrome will say at install: “Read your browsing history”

  • Link Safety Preview

    vault

    Shows final destination domain, protocol, visible text, and common redirect indicators before opening a link.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Bulk Link Extractor

    vault

    Extracts visible links from the current page, deduplicates, filters, and exports TXT/CSV/Markdown.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Page-to-Markdown Clipper

    vault

    Converts readable page content into a clean local Markdown file.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Selection Case Converter

    vault

    Converts selected text to title, sentence, kebab, snake, camel, or uppercase.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Smart Copy Formatter

    vault

    Copies selected text as plain, quote Markdown, HTML snippet, citation block, or code block.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Local Text Diff Viewer

    vault

    Compares two pasted text blocks locally with word/line-level differences.

    Permissions: clipboardWrite

    Chrome shows no warning when you install this

  • Quote Deep Link Maker

    vault

    Turns the selected passage into a text-fragment link that opens the page scrolled to and highlighting that exact sentence.

    Permissions: activeTab, scripting, contextMenus

    Chrome shows no warning when you install this

  • Draft Rescue Autosave

    vault

    Snapshots what you type in a tab's text areas and editors into local storage, never password fields, and restores it after a refresh or crash.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Markdown to Rich Text Paster

    vault

    Write or paste Markdown, see a live preview from a bundled converter, and copy it as rich text that pastes cleanly into Gmail, Docs, Notion or LinkedIn.

    Permissions: clipboardWrite, storage

    Chrome shows no warning when you install this

  • Invisible Character Detector

    vault

    Reveals zero-width spaces, bidi overrides, soft hyphens and confusable look-alike letters in selected or pasted text, marks them inline and copies a cleaned version.

    Permissions: activeTab, scripting, contextMenus

    Chrome shows no warning when you install this

  • Share Post Composer

    vault

    Builds a ready-to-paste post from the page (title, selected quote, clean URL, hashtags) with live character budgets for X, LinkedIn, Threads, Bluesky and Mastodon.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • UTM Consistency Auditor

    vault

    Scans every link on the page or email preview for UTM parameters and reports missing tags, inconsistent source, medium and campaign values, casing mismatches and stray spaces.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Unit Converter In Place

    vault

    Rewrites the measurements on a page into the system you actually think in, marking each one so you can see the original, and puts the page back on request.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Two-Tab Text Diff

    vault

    Click the icon on one page, then on another, and see exactly what differs between the two, line by line.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Send to Phone

    vault

    Makes a QR code for this page, the text you selected, a Wi-Fi login or a contact card, to scan straight onto your phone.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

Privacy, Safety & Security

Generate, inspect, redact, clear, map, hide & sanitize local browser content. · 21 templates

  • Secure Password Generator & Entropy Meter

    preview

    Generates passwords locally using Web Crypto and explains entropy/strength.

    Permissions: clipboardWrite

    Chrome shows no warning when you install this

  • Site Permission Dashboard

    vault

    Explains the current page's Chrome site-permission state and links to browser settings.

    Permissions: tabs

    Chrome will say at install: “Read your browsing history”

  • URL Parameter Inspector

    preview

    Lists all query parameters and lets users selectively remove/copy clean URLs.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Local Sensitive-Text Redactor

    vault

    Redacts selected emails, phone numbers, card-like patterns, and IDs in pasted text locally.

    Permissions: clipboardWrite

    Chrome shows no warning when you install this

  • Clipboard Clear Timer

    vault

    Clears text copied through the extension after a user-selected timeout.

    Permissions: clipboardWrite, alarms

    Chrome shows no warning when you install this

  • Visible Form Field Inspector

    vault

    Maps visible field labels, types, required states, and placeholders without transmitting content.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Manual Cookie Banner Hider

    vault

    Lets user select a local per-site CSS selector to hide a repetitive visible banner.

    Permissions: activeTab, storage, scripting

    Chrome shows no warning when you install this

  • Download Filename Sanitizer

    vault

    Suggests a safe, normalised filename for the page you are on and for each of your recent downloads.

    Permissions: downloads, tabs

    Chrome will say at install: “Read your browsing history” · “Manage your downloads”

  • Screen-Share Spotlight Curtain

    vault

    Dims and blurs the whole tab except the elements you click to spotlight, so you can screen-share one ticket or table without exposing the rest.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Per-Site Data Wiper

    vault

    Clears local storage, IndexedDB, cache and service workers for this exact site, and cookies for its whole domain, after previewing what is stored.

    Permissions: browsingData, activeTab, scripting

    Chrome shows no warning when you install this

  • Download Provenance Check

    vault

    Watches new downloads and shows the originating page, final host, type and warnings for executables, double extensions and files served from a different domain than the page you clicked.

    Permissions: downloads, notifications, storage

    Chrome will say at install: “Display notifications” · “Manage your downloads”

  • Address Bar Truth Card

    vault

    Shows the real registrable domain of the current tab in large type and flags punycode, mixed scripts, look-alike characters, digit swaps, deep subdomains and brand names hidden in a subdomain or path.

    Permissions: activeTab, storage

    Chrome shows no warning when you install this

  • Shoulder Surf Shield

    vault

    A keyboard shortcut instantly blurs the current tab, pauses its media and swaps in a neutral title until you press it again. Nothing is saved and the page never reloads.

    Permissions: commands, activeTab, scripting

    Chrome shows no warning when you install this

  • Third-Party Domain Census

    vault

    Groups every resource the page loaded by registrable domain, labels first or third party, breaks the counts down by type and size, and copies a plain-text report.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Tracking Pixel Finder

    vault

    Finds 1x1 and zero-size images, hidden or off-screen iframes and invisible elements pointing at third-party hosts, highlights them in place and lists their destinations.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Privacy Settings Cockpit

    vault

    Puts Chrome's scattered privacy switches on one screen, each with a plain explanation of what it protects and what it costs, and lets you change them there.

    Permissions: privacy

    Chrome will say at install: “Change your privacy-related settings”

  • Per-Site Content Rules

    vault

    Turns images, JavaScript, popups, location, camera, microphone, notifications, clipboard reads and automatic downloads on or off for the site you are on, with the rules saved per site.

    Permissions: contentSettings, activeTab

    Chrome will say at install: “Change and grant access to features such as geolocation, microphone, camera, cookies, etc., for all your websites and extensions, including this extension.”

  • Fingerprint Exposure Report

    vault

    Runs the common fingerprinting techniques on your own browser and shows what they reveal, entirely on your device, so you can see the signal rather than read about it.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Screenshot Redactor

    vault

    Captures the page you opened it on and lets you black out or pixelate anything private. A black box overwrites the pixels, so what it hides cannot be recovered from the saved file; pixelation hides less and can sometimes be partly reversed.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Cookie and Storage Inspector

    vault

    Lists the cookies set for the site you are on with their flags, alongside its localStorage and sessionStorage keys.

    Permissions: cookies, activeTab, scripting

    Chrome will say at install: “Read and change all your data on all websites”

  • Browsing Session Reporter

    vault

    Records which sites you visit, for how long and who else they call, then presents it as a report with charts.

    Permissions: webNavigation, tabs, storage, alarms, idle, downloads

    Chrome will say at install: “Read your browsing history” · “Manage your downloads”

SEO, Content & Accessibility

Inspect metadata, audit images, map headings, classify links & quick-check common issues. · 14 templates

  • On-Page SEO Meta Inspector

    preview

    Shows title, description, canonical, robots, Open Graph, Twitter cards, and headings.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Image Alt-Text Auditor

    vault

    Lists image URLs, dimensions, alt values, and missing/empty alt text.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Heading Outline Navigator

    vault

    Creates a clickable H1-H6 outline and flags heading-order gaps.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Internal & External Link Auditor

    vault

    Categorizes page links: internal, external, anchors, mailto, tel, nofollow, target blank.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Structured Data Viewer

    vault

    Extracts JSON-LD and basic microdata and formats it for inspection/copying.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Readability & Word Count Meter

    vault

    Calculates visible-text word count, estimated read time, paragraph count, sentence length.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Local Page Snapshot Comparator

    vault

    Saves a local page-text snapshot and highlights changes against a later visit.

    Permissions: activeTab, storage

    Chrome shows no warning when you install this

  • Accessibility Quick Check

    preview

    Flags basic visible issues: missing alt text, empty links/buttons, heading skips, missing labels.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Social Share Card Previewer

    vault

    Reads the page's Open Graph and Twitter Card tags and renders mock share cards for X, LinkedIn, Facebook, Slack, Discord and iMessage, flagging truncation and missing tags.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Robots.txt Rule Tester

    vault

    With a robots.txt open in the tab, parses its user-agent groups and tests any path against a chosen bot, showing the matching rule and the declared sitemaps.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Keyword Placement Highlighter

    vault

    Highlights every occurrence of your target phrases on the page and scores where they appear (title, H1, H2s, first paragraph, image alt, URL slug) with density counts.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • SERP Snippet Draft Studio

    vault

    Measures the page's title and meta description in pixel widths against Google desktop and mobile limits, and lets you draft, compare and save alternatives per URL.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Hreflang Set Validator

    vault

    Parses every hreflang link on the page and checks language and region codes, the self-referencing entry, x-default, duplicates and conflicting URLs.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • YouTube Tags & Video Facts

    vault

    Opens a side panel beside YouTube showing what the video declares about itself, including the tags YouTube shows nowhere in its own interface, with the title and description character counts, view count, duration, category and publish date, all copyable.

    Permissions: sidePanel, scripting, clipboardWrite

    Chrome shows no warning when you install this

Developer & Design Inspection

View JSON, copy styles, inspect fonts, check contrast, explore variables & inventory assets. · 32 templates

  • JSON Viewer & Collapsible Tree Explorer

    preview

    Formats JSON pages with folding, search, path copy, pretty/minify, and error location.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • CSS Computed Style Copier

    vault

    Copies computed CSS declarations such as font, spacing, color, radius, and shadow.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Web Font & Typography Inspector

    vault

    Inspects font family, weight, size, line-height, letter spacing, and color on hover.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Color Contrast Sampler

    preview

    Samples foreground/background colors and calculates local contrast ratios.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • CSS Variable Explorer

    vault

    Lists CSS custom properties and copies declared/resolved values.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • HTML Element Path Copier

    vault

    Clicks an element to copy a CSS selector, DOM path, hierarchy, and key attributes.

    Permissions: activeTab, clipboardWrite

    Chrome shows no warning when you install this

  • Responsive Breakpoint Overlay

    vault

    Shows an on-page viewport ruler and local breakpoint overlay for responsive QA.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Page Asset Inventory

    vault

    Lists current-page images, stylesheets, scripts, fonts, and media asset URLs.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • dataLayer Event Viewer

    vault

    Shows the current tab's window.dataLayer pushes as a collapsible timeline so event names, parameters and values can be checked without DevTools.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Live Copy Mockup

    vault

    Click any headline, button or paragraph on the live page and type replacement copy in place; save named variants per URL for screenshots.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Marketing Tag Detector

    vault

    Lists the analytics and ad tags installed on the current page (GTM, GA4, Meta Pixel, LinkedIn, TikTok, Hotjar and more) with their IDs, entirely offline.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Test Data Form Filler

    vault

    Fills every visible form field with realistic locally generated test data matched to its type and name, skipping password and payment fields.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Click Blocker Finder

    vault

    Hover anywhere to see the full stack of elements under the pointer and which one actually receives clicks, exposing invisible overlays and pointer-events mistakes.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Console & Error Recorder

    vault

    Records console output, uncaught errors, promise rejections and failed resource loads on the current tab from the moment you press Record, then exports a timestamped log.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Environment Badge & Grouper

    vault

    Stamps a colored DEV, STG or PROD badge on the toolbar icon per tab from your hostname rules, and optionally sorts matching tabs into color-coded tab groups.

    Permissions: tabs, tabGroups, storage

    Chrome will say at install: “Read your browsing history” · “View and manage your tab groups”

  • Pseudo-Localization Switch

    vault

    Toggles all visible text into a pseudo-locale (accents, 35% expansion, bracket markers or RTL) and flags text that gets clipped, then restores the originals.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Element Isolation Sandbox

    vault

    Pick any element and open it alone in a clean extension page with its computed styles inlined and images swapped for sized placeholders, for screenshots and responsive checks.

    Permissions: activeTab, scripting, storage, downloads

    Chrome will say at install: “Manage your downloads”

  • Overflow Culprit Finder

    vault

    Finds elements wider than the viewport or their scroll container, outlines each with its overflow amount and a likely cause, and lists nested scroll containers.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Tab Storage Editor

    vault

    Lists, searches, edits, adds, deletes and exports the current tab's localStorage and sessionStorage entries with pretty JSON and per-key sizes, without DevTools.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Test Locator Studio

    vault

    Pick an element and get ranked, uniqueness-checked locators (data-testid, role and name, label, CSS, XPath) as Playwright, Cypress and Selenium snippets, plus a live selector tester.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Web Vitals HUD

    vault

    Overlays live LCP, CLS, INP, FCP and TTFB from the page's own buffered performance entries, outlines the LCP element and lists the elements behind each layout shift.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Animation Slow-Mo Controller

    vault

    Lists every running CSS and Web Animation on the page and lets you pause, restart, step or set playback rate from 0.1x to 4x, globally or per animation, to debug transitions.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Global Leak Detector

    vault

    Compares the page's window object against a clean blank-frame baseline to list every non-standard global the site's scripts leaked, with type and value preview.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Service Worker & Cache Panel

    vault

    Lists the service worker registrations, scopes and states plus the Cache Storage buckets for this origin, and unregisters a worker or clears a cache in one click.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Script Trust Auditor

    vault

    Lists every cross-origin script and stylesheet with its Subresource Integrity status, flags plain-HTTP resources on HTTPS pages, and counts inline scripts and inline event handlers.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Screen Colour Picker

    vault

    Picks a colour from anywhere on your screen, including other windows and video, and builds a palette you can copy as hex, RGB, HSL or CSS variables.

    Permissions: sidePanel, storage

    Chrome shows no warning when you install this

  • Deprecation & Intervention Watchdog

    vault

    Reports the browser warnings that never reach the console: deprecated APIs due for removal, interventions that silently changed the page, and blocked-by-policy violations.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Shadow DOM Explorer

    vault

    Finds the open shadow roots on the page and reports what is inside each one: how many elements, how many adopted stylesheets, the slots and what is assigned to them, and which custom elements keep their root closed to you.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • CSS Cascade Explainer

    vault

    Click any element and see every rule that tried to set a property, ranked by specificity, with the winner marked and the reason it won.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Extension Permission Explainer

    vault

    Paste a manifest.json and see, in plain words, what each permission grants and the exact install warning Chrome will show a user because of it.

    Permissions: none

    Chrome shows no warning when you install this

  • Regex Playground on Page Text

    vault

    Tests a pattern against the real text of the page you are on, highlighting every match in place and listing the capture groups.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Local Request Log

    vault

    Records every request the browser completes for a tab and groups them by host, type and status, entirely on your machine.

    Permissions: webRequest, storage, tabs

    Chrome will say at install: “Read and change all your data on all websites”

Capture, Data & Navigation

Export tables/lists/forms, capture regions, measure UI, focus reading & navigate landmarks. · 28 templates

  • HTML Table to CSV/JSON Exporter

    preview

    Detects a visible table and exports structured rows as CSV or JSON.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Visual List Extractor

    vault

    User selects a repeated list/card pattern and exports visible repeated text/links.

    Permissions: activeTab, downloads, scripting

    Chrome will say at install: “Manage your downloads”

  • Form Field Map Exporter

    vault

    Exports form labels, names, types, required state, autocomplete, and placeholders for QA.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Visible-Region Screenshot Capture

    preview

    Captures the visible area of the current tab as a PNG and saves it with Chrome's downloader.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Browser Ruler & Spacing Guide

    vault

    Adds pixel ruler, cursor coordinates, alignment guides, and spacing measurement overlay.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Reading Focus Overlay

    vault

    Dims surrounding content and adjusts reading width, font size, line height, and contrast locally.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Keyboard Shortcut Cheat Sheet

    vault

    Displays browser shortcut references and local extension command help.

    Permissions: commands

    Chrome shows no warning when you install this

  • Custom Print Preparation Tool

    vault

    Lets user hide selected page elements, apply local print cleanup, and open print dialog.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Page Language & Direction Inspector

    vault

    Displays declared page language, lang attributes, direction, locale, and hreflang metadata.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • HTML Landmark Navigator

    vault

    Creates local navigation for header, nav, main, aside, footer, and ARIA landmarks.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Bug Report Snapshot

    vault

    One click copies a Markdown bug report with URL, title, viewport, zoom, screen, browser, language and timezone, and saves a screenshot.

    Permissions: activeTab, downloads

    Chrome will say at install: “Manage your downloads”

  • Select-to-Sum Calculator

    vault

    Highlight any block of numbers on a page and get sum, average, count, min, max and median, handling currency symbols, separators and bracket negatives.

    Permissions: activeTab, scripting, contextMenus

    Chrome shows no warning when you install this

  • QR Link Revealer

    vault

    Captures the visible tab, decodes any QR code on screen with a bundled decoder, and shows the embedded link with its host, parameters and lookalike warnings before you scan it with a phone.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Local File Round-Trip Editor

    vault

    Opens a text, CSV, JSON or Markdown file from your disk, edits it in a side panel and saves it straight back to the same file. No upload and no download folder.

    Permissions: sidePanel

    Chrome shows no warning when you install this

  • Make Any Table Sortable

    vault

    Adds click-to-sort, a filter box and a live row count to any static HTML table, understanding numbers, currency and dates rather than sorting them as text.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Table to Chart

    vault

    Turns a table on the page into a bar, line or pie chart drawn on your device, and saves it as a PNG. No charting service and no upload.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Element Screenshot

    vault

    Captures one element rather than the whole viewport, cropped exactly to its bounds, so a card or a table can be shared without trimming it by hand.

    Permissions: activeTab, scripting, downloads, storage

    Chrome will say at install: “Manage your downloads”

  • Watch This Element

    vault

    Marks one region of a page and tells you the moment its text changes: a price, a queue position, a build status, a seat count.

    Permissions: activeTab, scripting, notifications, storage

    Chrome will say at install: “Display notifications”

  • Tab Video Recorder

    vault

    Records the visible tab to a local WebM file, with optional tab audio, and saves it with the downloader.

    Permissions: tabCapture, offscreen, downloads, storage

    Chrome will say at install: “Read and change all your data on all websites” · “Manage your downloads”

  • Full-Page Screenshot Stitcher

    vault

    Captures a whole page by scrolling it a screen at a time and stitching the captures into one PNG.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Bulk Image Saver

    vault

    Saves every real image on the page into one folder, skipping icons, spacers and tracking pixels.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Page Archive Pack

    vault

    Packs the page into one ZIP: its text, a Markdown copy, a summary, its links, its image list and a screenshot.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Video Frame Grabber

    vault

    Saves the current frame of any video on the page as a PNG, or a contact sheet of frames across it.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Save Complete Page

    vault

    Saves the whole page - text, images and styles - as one file that opens offline in Chrome, for this tab or every tab at once.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Video to GIF

    vault

    Turns a few seconds of any video on the page into an animated GIF you can drop into a chat, a doc or a post.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Thread Harvester

    vault

    Scrolls a discussion to the end and saves every reply - who, when, what, likes and link - as a spreadsheet, with the top voices.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Screenshot Beautifier

    vault

    Captures the tab and frames it - background, padding, rounded corners, shadow, a browser window - sized for X, LinkedIn or Instagram.

    Permissions: activeTab

    Chrome shows no warning when you install this

  • Point and Save

    vault

    Point at a page's title, the blocks you want kept and its download button once; after that one click saves each block as its own text file and gives the download the title's name instead of an id.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

Reading & Research

Cite, audit, outline, compare and keep track of what you read, all on your device. · 16 templates

  • Cite This Page

    vault

    Builds an APA, MLA, Chicago, Harvard or BibTeX citation from the page's own metadata, with today's access date, ready to copy.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Competitor Audit Side Panel

    vault

    A side panel with a customizable audit checklist (headline, offer, CTA, pricing, social proof) filled in per domain while you browse, exported as CSV or Markdown.

    Permissions: sidePanel, storage, tabs, downloads

    Chrome will say at install: “Read your browsing history” · “Manage your downloads”

  • Evidence Ledger

    vault

    Right-click any selection to log it as a claim-and-evidence row with quote, source, time and a verified, unverified or disputed status, then export the ledger as CSV or Markdown.

    Permissions: contextMenus, storage, downloads, activeTab, scripting

    Chrome will say at install: “Manage your downloads”

  • Leitner Flashcard Deck

    vault

    Right-click any selection to save it as a flashcard with its sentence and source, type the back, review on a Leitner schedule with local reminders, and export Anki-ready TSV.

    Permissions: contextMenus, activeTab, scripting, storage, alarms, notifications, downloads

    Chrome will say at install: “Display notifications” · “Manage your downloads”

  • Personal Glossary Overlay

    vault

    Build a glossary of terms and definitions from selections, then apply it to any page so every defined term is underlined with a hover tooltip, with CSV and Markdown export.

    Permissions: contextMenus, storage, activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Research ID Extractor

    vault

    Scans the page or selection for DOIs, ISBNs, arXiv IDs, PubMed IDs, ORCIDs, patent numbers and legal citations, validates checksums, and lists them with resolver links.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Annotated Bibliography Builder

    vault

    Saves the current page as a source with auto-captured citation fields, your annotation, a relevance rating and read status, then exports the set as Markdown or RTF.

    Permissions: activeTab, scripting, storage, downloads

    Chrome will say at install: “Manage your downloads”

  • Speed Reader

    vault

    Plays the article one word at a time in a fixed spot at a pace you set, slowing down at sentence ends so it reads rather than flashes.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Persistent Page Highlighter

    vault

    Highlight passages and get them back when you return: open the popup on that page tomorrow and every highlight is repainted, stored on your own device and matched by the words rather than by a fragile position in the markup.

    Permissions: activeTab, scripting, storage, contextMenus

    Chrome shows no warning when you install this

  • Sticky Notes Pinned to a Page

    vault

    Leaves a note stuck to a page at the spot you put it; press Show notes when you come back and every note is exactly where you left it. Drag to move, type to edit, nothing leaves the device.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Page to Slide Deck

    vault

    Turns the page into a slide deck: headings become titles, its own key sentences become bullets, and its images illustrate them.

    Permissions: activeTab, scripting, downloads

    Chrome will say at install: “Manage your downloads”

  • Key Sentence Summary

    vault

    Picks the page's own most representative sentences and lists them in the order they appear, quoted exactly.

    Permissions: activeTab, scripting, clipboardWrite

    Chrome shows no warning when you install this

  • Date Timeline Extractor

    vault

    Finds every date on the page, puts them in order, and shows the sentence each one came from.

    Permissions: activeTab, scripting, clipboardWrite

    Chrome shows no warning when you install this

  • Recipe Card Saver

    vault

    Turns a recipe page into a clean printable card with its ingredients, steps and times, plus a shopping list.

    Permissions: activeTab, scripting, downloads, clipboardWrite

    Chrome will say at install: “Manage your downloads”

  • Video Bookmarks

    vault

    Saves the moment you are at in a video with a note, and jumps straight back to it next time.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Articles to E-book

    vault

    Collects articles as you read and builds them into one EPUB book for Kindle, Kobo or Apple Books.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

Accessibility

Read aloud, navigate by keyboard, enlarge, simplify and check pages for real people. · 11 templates

  • Read Aloud Speaker

    vault

    Reads the selection, the focused field or the page's article aloud with Chrome's offline voices, with speed, pitch, pause and a follow-along highlight.

    Permissions: tts, activeTab, scripting, contextMenus, commands, storage

    Chrome shows no warning when you install this

  • Link Hint Jumper

    vault

    Press a shortcut and every visible link, button and field gets a letter label; type it to click or focus, Shift opens links in the background.

    Permissions: activeTab, scripting, commands, storage

    Chrome shows no warning when you install this

  • Tab Order Tracer

    vault

    Overlays numbered badges and a connecting path on every focusable element in true Tab order, flagging positive tabindex values, off-screen stops and likely keyboard traps.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Vision Filter Switch

    vault

    Applies SVG colour matrices for protanopia, deuteranopia, tritanopia and achromatopsia, plus blur, high-contrast, inverted, greyscale and tinted modes, remembered per site.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Sentence Spotlight

    vault

    Dims the whole page except the sentence you are reading and moves on with the space bar, so your eye cannot slide into the wrong line.

    Permissions: activeTab, scripting, commands

    Chrome shows no warning when you install this

  • Fixation Bolding

    vault

    Bolds the opening of each word so the eye lands where it should, with adjustable strength and one click to undo it.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Reading Ruler

    vault

    A clear band that follows your pointer with the page dimmed above and below it, so your eye keeps its place on a dense page.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Screen Reader Preview

    vault

    Shows what a screen reader would announce for this page, in order, as plain readable text, so missing labels and empty links are obvious in seconds.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Keyboard-Only Walkthrough

    vault

    Moves focus to every focusable control in the order they appear in the page and reports what a keyboard cannot reach, what shows no visible focus, and what jumps the tab order, flagging embeds and dialogs to check by hand for a focus trap.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Reader Mode, Your Typography

    vault

    Pulls the article out of the page and re-renders it in your font, measure, size and colours, saved as a profile you reuse on every site.

    Permissions: activeTab, scripting, storage

    Chrome shows no warning when you install this

  • Video Transcript and Chapters

    vault

    Turns a video's own caption track into a timestamped transcript you can read, search and export.

    Permissions: activeTab, scripting, downloads, clipboardWrite

    Chrome will say at install: “Manage your downloads”

Commerce & Work

Snippets, checklists, calculators and small tools for support, sales and operations. · 13 templates

  • Snippet Library & Inserter

    vault

    Stores reusable text blocks with {date}, {title} and {url} placeholders and inserts them into the focused field from the popup, the right-click menu or a shortcut.

    Permissions: storage, activeTab, scripting, contextMenus, commands

    Chrome shows no warning when you install this

  • Idle-Aware Time Tracker

    vault

    Start and stop timers tagged with a client or project code; idle time pauses automatically and asks to keep or discard it, the badge shows the clock, and the log exports as a CSV timesheet.

    Permissions: storage, idle, alarms, notifications, tabs, downloads

    Chrome will say at install: “Read your browsing history” · “Display notifications” · “Manage your downloads”

  • Selection to Calendar Event

    vault

    Highlight a delivery date, deadline or sale end on any page and download an .ics calendar event named after the page with the URL in the notes, entirely on-device.

    Permissions: activeTab, scripting, downloads, contextMenus

    Chrome will say at install: “Manage your downloads”

  • Side-by-Side Compare Panel

    vault

    A side panel that stays open while you browse: clip product name, price and highlighted specs from each tab into a comparison table, then export CSV or Markdown.

    Permissions: sidePanel, activeTab, scripting, storage, downloads, contextMenus

    Chrome will say at install: “Manage your downloads”

  • Price Watch Notebook

    vault

    Logs a price you highlight against the page URL with a timestamp, shows the trend and last-seen price when you return, and can remind you to re-check the page.

    Permissions: activeTab, scripting, storage, alarms, notifications

    Chrome will say at install: “Display notifications”

  • Return & Warranty Window Tracker

    vault

    Records a purchase with its return window and warranty length, notifies you a few days before each closes, and shows a countdown of everything still returnable.

    Permissions: storage, alarms, notifications, activeTab

    Chrome will say at install: “Display notifications”

  • Unit Price Ranker

    vault

    Takes a highlighted or typed price and size, normalizes it to cost per 100 g, per liter, per item or per sq ft, and ranks everything you have checked from cheapest to priciest.

    Permissions: activeTab, scripting, storage, contextMenus

    Chrome shows no warning when you install this

  • Sponsored Link Compliance Checker

    vault

    Finds outbound links that look like affiliate or partner links and checks each for rel=sponsored or nofollow plus visible disclosure text on the page, exporting a compliance list.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

  • Subject Line Preview Lab

    vault

    Previews an email subject line and preheader as they truncate across common mobile and desktop inboxes, counts characters, words and emoji, and keeps a history of tested variants.

    Permissions: storage

    Chrome shows no warning when you install this

  • Meeting Cost Ticker

    vault

    Counts what a meeting is costing while it runs, from the number of people and an average rate, and keeps a log so the weekly total is visible.

    Permissions: storage, alarms

    Chrome shows no warning when you install this

  • Signature Pad

    vault

    Draw your signature once and export it as a trimmed PNG with a transparent background, ready to drop onto a form or a document.

    Permissions: downloads

    Chrome will say at install: “Manage your downloads”

  • Receipt and Order Saver

    vault

    Recognises an order confirmation page and saves the merchant, order number, date, items and total.

    Permissions: activeTab, scripting, downloads, clipboardWrite

    Chrome will say at install: “Manage your downloads”

  • Contact and vCard Extractor

    vault

    Pulls the email addresses and phone numbers off a page and saves them as vCards or a CSV row.

    Permissions: activeTab, scripting, downloads, clipboardWrite

    Chrome will say at install: “Manage your downloads”

Delight

Focus sound, small rituals and playful tools that make the browser nicer to live in. · 3 templates

  • Brown Noise Focus Timer

    vault

    Plays brown, pink or white noise generated on your device, with a pomodoro timer on the badge and a fade-out at the end.

    Permissions: offscreen, alarms, storage, notifications

    Chrome will say at install: “Display notifications”

  • Tab Garden

    vault

    Grows a pixel plant that thrives while your tab count stays under target and wilts as tabs pile up, with daily streaks and achievements, in the popup or side panel.

    Permissions: tabs, storage, alarms, notifications, sidePanel

    Chrome will say at install: “Read your browsing history” · “Display notifications”

  • Video A-B Loop and Frame Stepper

    vault

    Adds keyboard controls to any video: set two points and loop between them, step one frame at a time, change speed.

    Permissions: activeTab, scripting

    Chrome shows no warning when you install this

Read the code before you decide

Twelve templates are open to inspect on the catalogue page, and one is free to download with no email required — the same package a buyer receives.

Browse the catalogue