PronounDB is a browser extension that lets people share their pronouns and see the pronouns of others on supported sites. It offers integrations for platforms including Discord, GitHub, Twitch and Twitter, and provides an API for third-party developers. Extensions are available for Chrome, Firefox and Edge.
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Read Aloud is a text-to-speech voice reader available as a Chrome extension that reads aloud the current web-page article with one click and supports 40+ languages. The site also lists browser extensions for Firefox and Edge and a TTS widget service.
wiki.gg Redirect is an open-source browser extension that automatically redirects users to forked wikis hosted on wiki.gg. It can optionally rewrite Google and DuckDuckGo search results. The extension is available for Google Chrome/Chromium, Firefox and Microsoft Edge.
RoGold is a cross-platform extension that lets users customize the Roblox website. The free tier includes pinned games, server join links and a theme creator, and it is available on Chrome, Edge and Safari, including an iOS Safari extension from the App Store.
Sage-Like is a fast, lightweight sidebar-based feed reader extension for the Firefox browser. It supports Atom, RSS, JSON and RDF feeds, offers a customizable user interface, and integrates with Firefox bookmarks and sync functionality. It can discover feeds from the sidebar and address bar, including hidden RSS feeds on platforms such as YouTube, Reddit, DeviantArt, Pinterest and Behance, and has a customizable feed tree view.
ScriptCat is an open-source browser script engine distributed as a browser extension. It executes user scripts and is compatible with Tampermonkey scripts, offering additional features. The extension is available for Chrome, Edge and Firefox.
Search by Image is a browser extension that enables reverse image searches across more than 30 supported search engines. It is available for Chrome, Edge, and Safari. The extension assists journalists and researchers with verifying image authenticity and identifying false information, helps photographers track how their work is shared online, and allows shoppers to find similar products at discounted prices.
SelectON is a browser extension for Chrome and Firefox that provides a popup with actions on selected text. Features include copy or search in one click, a currency converter, unit and timezone conversion, and contextual buttons.
Shortkeys is a free and open source browser extension for Chrome and Firefox that lets users customize keyboard shortcuts. It provides over 100 built-in actions covering tab management, scrolling, navigation, zoom, bookmarks, downloads and video controls, along with custom JavaScript actions, shortcut packs, groups, macros, a shortcut recorder and cloud sync.
Sign Learner is a free browser extension for learning sign language while browsing the internet. It highlights words on web pages at random, and hovering over a highlighted word shows the corresponding sign in either ASL or BSL. Signs are drawn from a bank of over 6000 signs, and the extension is available from the Chrome Web Store.
SingleFile is a web extension and CLI tool that saves a complete web page into a single HTML file. It is compatible with Chrome, Firefox, Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera. Users can save the current tab, selected content, selected frames, or multiple tabs, and can annotate pages with highlights and notes.
MAL-Sync is a browser extension that integrates MyAnimeList, AniList, Kitsu, Simkl, Shikimori, and Mangabaka into various sites, with automatic episode tracking. It lets users search, update, and manage their lists from the extension popup and shows Discord rich presence. It is available for Chrome, Firefox, Opera, and as a userscript.
SmartUpscale is an extension for Firefox and Chrome that applies integer scaling to images on webpages, preventing blur on images whose displayed size is an integer multiple of their real size. It is aimed at high pixel density displays. The scale is calculated per image, and options and limitations are documented.
Smooth Key Scroll is a browser extension for keyboard-based page scrolling. It offers adjustable speed, with Alt to speed up and Ctrl to slow down during scrolling, and custom directional key layouts including Gamer, Vim and Ergonomic options. An option disables mouse hover effects while scrolling. It is available in the Chrome Web Store.
SocialFocus is a browser extension that hides distracting and addictive elements of social media sites so users can personalize their feeds. It covers 7 websites with more than 115 options and is available for Safari, Chrome and Firefox. Key features include one-tap activation, password protection against unauthorized settings changes, and launch tweaks.
Stylebot is a browser extension that lets users point at elements on a page and change them; it writes the CSS and loads the style each time the user returns. It is free and open source for Chrome, Firefox and Edge on desktop, and includes a CLI.
Stylus is a browser extension that restyles websites via CSS themes. It is compatible with Chrome, Firefox, and Chromium-based browsers, and supports UserCSS styles installable from a plain text URL. It includes a built-in editor for CSS themes and cloud sync for Dropbox, GDrive, OneDrive, or WebDAV-compatible servers.
Tab Modifier is a Chrome extension that gives users control over their browser tabs. It offers features to modify tab behavior and appearance. The project is open source and available on GitHub.
Tab Wrangler is a Chrome and Firefox extension that automatically closes tabs that have not been visited for a while, one hour by default. Closed tabs are saved to the Tab Corral, a searchable list from which they can be restored. Individual tabs, windows and listed domains can be locked to prevent auto-closing.
Tablerone is a Chrome extension for managing tab sessions and bookmarks. It offers auto-saving of browsing, workspace switching, and a combined shortcut for finding open or saved tabs. It can export tab URLs, meta titles and notes, and automatically discards idle tabs to free RAM and CPU.
Text Blaze is a text expansion application and Chrome extension for saving reusable snippets and dynamic templates with shortcuts. Snippets can be inserted in apps such as Gmail, Google Docs, LinkedIn and Salesforce, and support forms, formulas and sharing with colleagues. It is also available as a macOS and Windows app.
Turn Off the Lights is a free, open-source browser extension that applies dark mode to websites and adds a one-click dimmer for videos. The site says it uses stylesheet injection that preserves video colors while darkening the rest of the page. It lists availability for Chrome, Firefox, Edge, Safari and Opera.
Ui.Vision RPA is an open-source browser and desktop automation tool for building reusable macros. It offers web automation, desktop automation, web scraping, UI testing and test automation, using visual recording, Selenium-style commands or a JavaScript API. The V10 release adds an AI macro assistant and an MCP bridge for connecting AI assistants. The browser extension is available for Chrome, Edge and Firefox.
Usage Tracker, also referred to as Claude Usage Tracker, is a Google Chrome browser extension designed to track usage of the Claude AI service. It is hosted on the GitHub repository lugia19/Claude-Usage-Extension for community access and contribution.