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
previewSaves named tab sets and restores a selected workspace.
Permissions: tabs, storage
Chrome will say at install: “Read your browsing history”
Duplicate Tab Review & Cleanup
previewFinds exact duplicate URLs, excludes pinned tabs, and requires confirmation before closing.
Permissions: tabs
Chrome will say at install: “Read your browsing history”
Tab Snoozer
vaultCloses 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
vaultFlags 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
vaultApplies 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
vaultCopies 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
vaultSaves 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
vaultOpens 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
vaultA 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
vaultA 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
vaultType 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
vaultOne 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
vaultTurns 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
vaultCounts 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
vaultDiscards 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
vaultSet 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
vaultOne 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
vaultReopens 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
vaultDraws 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
vaultReplaces 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
vaultPops 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
vaultSearches 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
Links, Text & Writing
Clean, track, inspect, extract, clip, transform, format & compare text and links. · 17 templates
Copy Clean Link
previewRemoves 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
previewBuilds 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
vaultShows 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
vaultExtracts 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
vaultConverts readable page content into a clean local Markdown file.
Permissions: activeTab, downloads
Chrome will say at install: “Manage your downloads”
Selection Case Converter
vaultConverts selected text to title, sentence, kebab, snake, camel, or uppercase.
Permissions: activeTab, clipboardWrite
Chrome shows no warning when you install this
Smart Copy Formatter
vaultCopies 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
vaultCompares two pasted text blocks locally with word/line-level differences.
Permissions: clipboardWrite
Chrome shows no warning when you install this
Quote Deep Link Maker
vaultTurns 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
vaultSnapshots 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
vaultWrite 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
vaultReveals 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
vaultBuilds 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
vaultScans 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
vaultRewrites 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
vaultClick 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
vaultMakes 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
previewGenerates passwords locally using Web Crypto and explains entropy/strength.
Permissions: clipboardWrite
Chrome shows no warning when you install this
Site Permission Dashboard
vaultExplains 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
previewLists 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
vaultRedacts 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
vaultClears 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
vaultMaps 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
vaultLets 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
vaultSuggests 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
vaultDims 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
vaultClears 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
vaultWatches 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
vaultShows 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
vaultA 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
vaultGroups 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
vaultFinds 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
vaultPuts 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
vaultTurns 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
vaultRuns 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
vaultCaptures 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
vaultLists 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
vaultRecords 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
previewShows title, description, canonical, robots, Open Graph, Twitter cards, and headings.
Permissions: activeTab
Chrome shows no warning when you install this
Image Alt-Text Auditor
vaultLists image URLs, dimensions, alt values, and missing/empty alt text.
Permissions: activeTab
Chrome shows no warning when you install this
Heading Outline Navigator
vaultCreates a clickable H1-H6 outline and flags heading-order gaps.
Permissions: activeTab
Chrome shows no warning when you install this
Internal & External Link Auditor
vaultCategorizes page links: internal, external, anchors, mailto, tel, nofollow, target blank.
Permissions: activeTab
Chrome shows no warning when you install this
Structured Data Viewer
vaultExtracts 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
vaultCalculates 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
vaultSaves 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
previewFlags 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
vaultReads 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
vaultWith 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
vaultHighlights 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
vaultMeasures 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
vaultParses 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
vaultOpens 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
previewFormats 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
vaultCopies 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
vaultInspects 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
previewSamples foreground/background colors and calculates local contrast ratios.
Permissions: activeTab, clipboardWrite
Chrome shows no warning when you install this
CSS Variable Explorer
vaultLists CSS custom properties and copies declared/resolved values.
Permissions: activeTab, clipboardWrite
Chrome shows no warning when you install this
HTML Element Path Copier
vaultClicks 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
vaultShows 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
vaultLists current-page images, stylesheets, scripts, fonts, and media asset URLs.
Permissions: activeTab
Chrome shows no warning when you install this
dataLayer Event Viewer
vaultShows 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
vaultClick 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
vaultLists 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
vaultFills 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
vaultHover 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
vaultRecords 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
vaultStamps 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
vaultToggles 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
vaultPick 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
vaultFinds 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
vaultLists, 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
vaultPick 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
vaultOverlays 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
vaultLists 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
vaultCompares 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
vaultLists 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
vaultLists 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
vaultPicks 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
vaultReports 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
vaultFinds 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
vaultClick 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
vaultPaste 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
vaultTests 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
vaultRecords 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
previewDetects 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
vaultUser 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
vaultExports 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
previewCaptures 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
vaultAdds pixel ruler, cursor coordinates, alignment guides, and spacing measurement overlay.
Permissions: activeTab
Chrome shows no warning when you install this
Reading Focus Overlay
vaultDims 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
vaultDisplays browser shortcut references and local extension command help.
Permissions: commands
Chrome shows no warning when you install this
Custom Print Preparation Tool
vaultLets 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
vaultDisplays declared page language, lang attributes, direction, locale, and hreflang metadata.
Permissions: activeTab
Chrome shows no warning when you install this
HTML Landmark Navigator
vaultCreates local navigation for header, nav, main, aside, footer, and ARIA landmarks.
Permissions: activeTab
Chrome shows no warning when you install this
Bug Report Snapshot
vaultOne 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
vaultHighlight 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
vaultCaptures 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
vaultOpens 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
vaultAdds 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
vaultTurns 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
vaultCaptures 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
vaultMarks 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
vaultRecords 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
vaultCaptures 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
vaultSaves 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
vaultPacks 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
vaultSaves 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
vaultSaves 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
vaultTurns 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
vaultScrolls 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
vaultCaptures 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
vaultPoint 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
vaultBuilds 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
vaultA 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
vaultRight-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
vaultRight-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
vaultBuild 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
vaultScans 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
vaultSaves 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
vaultPlays 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
vaultHighlight 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
vaultLeaves 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
vaultTurns 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
vaultPicks 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
vaultFinds 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
vaultTurns 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
vaultSaves 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
vaultCollects 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
vaultReads 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
vaultPress 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
vaultOverlays 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
vaultApplies 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
vaultDims 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
vaultBolds 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
vaultA 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
vaultShows 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
vaultMoves 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
vaultPulls 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
vaultTurns 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
vaultStores 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
vaultStart 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
vaultHighlight 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
vaultA 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
vaultLogs 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
vaultRecords 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
vaultTakes 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
vaultFinds 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
vaultPreviews 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
vaultCounts 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
vaultDraw 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
vaultRecognises 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
vaultPulls 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
vaultPlays 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
vaultGrows 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
vaultAdds 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