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.
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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.
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.
SpeedyApply is a job application autofill tool offered as a free browser extension for Chrome, Edge and Firefox. It automatically fills out and tracks job applications, and a Premium option is available with a 3-day free trial.
A collection of guides on building and customizing startpages. Topics include reverse image searching, setting the new tab page in Chrome and Firefox, creating search bars with DuckDuckGo, and building terminal-like and basic startpages. The guides are not categorized, and the author states none are made for a specifically technical audience.
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 for restyling websites, derived from the Stylish extension's version 1.5.2 source code. It allows users to install themes and styles, write custom CSS, and import databases from Stylish. Analytics and data collection were removed. It is available for Chrome, Firefox and Opera, and supports automatic updates of installed styles.
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.
Surfingkeys is a browser extension for Chrome, Chromium-based browsers, Firefox and Safari that provides keyboard-based navigation and control of the web in the spirit of the VIM editor. It is intended for users who need more shortcuts for their own functions, and its settings are described in JavaScript, allowing keystrokes to be mapped to user-defined JavaScript functions.
SuttaCentral presents early Buddhist texts from the Tipitaka (Tripitaka), including suttas (sutras) with the Buddha's teachings. The site states it works on modern versions of Firefox, Chrome, Edge, Opera or Safari, and that Internet Explorer is not supported.
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.
TablissNG is a maintained fork of the Tabliss new tab page. It provides a beautiful, customizable new tab page for Firefox, Chrome, and Edge. The project aims to continue development of the original Tabliss with improvements.
Translate Web Pages is a browser tool hosted on GitHub that enables real-time translation of web page content using Google, Bing, or Yandex. It supports installation for Firefox, Chrome, Edge, and Brave browsers.
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.
UserScript is a repository of userscripts for the Tampermonkey script manager, covering enhancements and beautification for sites such as Zhihu, V2EX, 3DM and DuckDuckGo. The scripts were tested in Chrome, Firefox and Edge with Tampermonkey.
A userscript for bypass.city that is installed through a browser userscript extension. The page provides installation instructions for Chrome, Firefox, Edge, Safari, iOS and Android, and the script is intended to speed up bypassing links from services such as Linkvertise.
Video Download Helper is a browser extension that detects and downloads video and audio content from many websites directly in the browser. It is available for Chrome, Firefox and Microsoft Edge, and the free version allows downloads from thousands of websites. A one-time premium license is offered for advanced features and unlimited downloads.
vidIQ is a free browser extension for Chrome, Firefox, and Edge that overlays YouTube and Instagram with creator tools. On YouTube it provides SEO scores, keyword suggestions, AI title, description and tag recommendations, competitor overlays, and a studio upload optimizer with posting-time suggestions. On Instagram it offers Reel ideas, hook and engagement scoring, and a caption and hashtag generator.
View Image is a browser extension for Google Chrome and Mozilla Firefox, with an optional userscript version, that re-implements the 'View Image' and 'Search by image' buttons into Google Image Search. The project is released under the MIT license.
Vimium is a browser extension providing keyboard shortcuts for navigation and control in the spirit of the Vim editor. It is available for Chrome, Edge and Firefox. The shortcuts support scrolling, following links, manipulating tabs, navigating history, copying the current URL, and opening URLs, bookmarks or history entries through the vomnibar. Keyboard shortcuts can be customized, and an in-page help dialog shows personalized shortcuts.
Browser extension for WAIncognito, adding useful tools or workflow improvements inside the browser.