addons.mozilla.org
Browser extension and tool for saving complete web pages into a single HTML file.
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github.com
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.
smoothkeyscroll.com
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.app
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.
streak.com
Streak is a browser extension or add-on that improves everyday web browsing workflows.
stylebot.dev
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.
github.com
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.
github.com
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.
mybrowseraddon.com
Theater Mode is a browser extension or add-on that improves everyday web browsing workflows.
transpose.video
Transpose is a browser extension or add-on that improves everyday web browsing workflows.
turnoffthelights.com
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.
uso.kkx.one
Uso is a browser extension or add-on that improves everyday web browsing workflows.
vimium.github.io
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.
github.com
Browser extension that adds Vim-style keyboard navigation to web pages and tabs.
github.com
Vimium C is an open source project with code, documentation, and setup resources for browser extensions.
bort.io
Bort is a web-based bookmark management application that supports importing existing browser bookmarks, syncing data via Dropbox, and exporting bookmark collections. It provides browser extensions to simplify the bookmarking process. Its personal demo version saves bookmarks locally in the user's browser, and logging out of the demo will clear the locally stored bookmark database.
github.com
Dictionariez is a browser extension for looking up words on webpages. It supports double-click lookups in multiple languages and dictionaries, with text-to-speech, translation and Anki export. A popup window offers dictionaries with auto-completion, word history and keyboard shortcuts. Versions include Ordböcker for Swedish and SidePal, a lighter version for the browser side panel.
github.com
Native HLS is a legacy browser extension that allows native HLS and MPEG-DASH playback in a browser. A GitHub page states that it opens m3u8 or mpd links in a video player using the hlsjs and dashjs libraries, and that it was forked from chrome-hls with added features.
github.com
Source code for Brief, a Firefox extension for reading RSS and Atom feeds. The repository links to the published add-on, documentation, and project support channels.
webextension.org
Block Site is a browser extension that blocks access to websites by matching hostnames against a user-created block list. It adds a toolbar action button, and hostnames can also be added through the options page. A master password feature grants access to restricted sites for a defined duration. The extension can also redirect a hostname and its arguments to a new destination.
github.com
ChatGPT for Jupyter is a browser extension that provides AI-powered helper functions within Jupyter Notebooks, powered by ChatGPT. The extension is compatible with Chrome, Edge, and Firefox browsers, with its code and documentation hosted in a public GitHub repository under the TiesdeKok organization.
crx-downloader.com
CRX Downloader is a Chrome extension downloader that downloads Chrome extensions as zip or crx files. The site says these files can be used with testing tools like selenium or to view the extensions' content.
dearrow.ajay.app
DeArrow is an open source browser extension that replaces titles and thumbnails on YouTube with community created versions. Titles can be any text, and thumbnails are screenshots from specific timestamps, submitted and voted on by users. When no submissions exist, the extension can format the original title and set a screenshot from a random timestamp as the thumbnail.
github.com
Extensions is the GitHub repository for aw-watcher-web, a browser watcher extension for the ActivityWatch productivity tracking tool. The repository provides access to the extension's source code, installation guidance, official releases and development resources.