Firefox extensions
Listed on Firefox Add-ons. They also install in Firefox-based browsers such as LibreWolf, Waterfox, Zen and Floorp.
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345 results, page 9 of 12
Readwise Reader
Read-it-later app for articles, PDFs, RSS, YouTube, and ePubs.
Recoll
Full-text desktop search across documents and mail, built on Xapian.
Reddit Enhancement Suite
Long-running Reddit enhancement extension, now in maintenance mode.
Redux DevTools
Time-travel debugger for Redux state and actions.
Refined GitHub
Adds hundreds of small improvements to the GitHub interface.
RescueTime
Automatic time tracking service that records time spent in apps and websites and blocks distractions.
RESTer
A browser extension for Firefox and Chrome for crafting and sending HTTP requests.
Return YouTube Dislike
Browser extension and public API that shows dislike counts on YouTube videos again.
RSSHub
Generates RSS feeds for sites that do not publish one.
RSSHub Radar
A browser extension that finds RSS feeds and RSSHub routes for the page you are viewing.
Ruffle
An open source Flash Player emulator written in Rust for desktop and the web.
Save Page WE
Saves a page as currently displayed into one HTML file.
Scholarcy
An AI summarizer that turns papers, articles and videos into interactive flashcard summaries.
Scite
An AI research tool that answers questions from scholarly articles and shows how claims are cited.
ScriptCat
A userscript manager extension compatible with Tampermonkey scripts that can also run background scripts.
Search by Image
Open-source browser extension for reverse image search across many search engines.
Seedr
A web-based cloud service that fetches torrents and links to online storage for streaming.
Selenium IDE
A browser extension that records and replays interactions to build end-to-end tests for websites.
Semantic Scholar
A free, AI-powered search engine for scientific literature covering papers from all fields of science.
SEOquake
A free browser extension from Semrush for on-page SEO audits, link checks and page metrics.
Shodan
A search engine that indexes internet-connected devices and the services they expose.
Sidebery
Vertical tab tree and bookmarks sidebar with container support.
Simple Translate
A browser extension that translates selected or typed text on web pages in a small popup.
Simplify Gmail
A browser extension that gives Gmail a cleaner, less cluttered interface.
SimplyPrint
A cloud platform for slicing, monitoring, queueing and managing one or many 3D printers.
SingleFile
Saves a complete web page as one self-contained HTML file.
Skip Redirect
Jumps straight past intermediary tracking redirect pages.
Snowflake
A Tor censorship circumvention tool and browser extension that lets volunteers relay traffic for blocked users.
Social Fixer
Filters and customises the Facebook news feed.
Solflare
A self-custodial Solana wallet for holding, trading and staking crypto and NFTs.
