Mozilla Firefox Plugins, Add-ons and extension Page 69 of 72

Streams live and on-demand HLS, DASH, IPTV in browser with support for M3U playlists, EPG, audio, video, subtitles, DRM, custom headers, and playback speed.

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Twitter Demetricator hides all the metrics on Twitter. Follower, like, and retweet counts all disappear. The result lets you try out Twitter without the numbers, to see what happens when you can no longer judge yourself or others in metric terms.

A simple Firefox extension which transparently redirects your browser to xcancel.com whenever you reach a page on x.com.

CastLoom is a dedicated Apple Podcasts download extension. On any podcast detail page you can quickly extract and download artwork, audio files, and full metadata—no extra steps.

Convert ugoira to gif or/and webm, pack manga for downloading and download novel on Pixiv. Works with Pixiv Omnia

Discord History Tracker is a browser script that lets you locally save and view chat history in your servers, groups and private conversations.

RSS Ninja is a powerful, local-first RSS and Atom feed reader built directly into your browser. Keep up with all your favorite websites, blogs, podcasts, and YouTube channels from one convenient sidebar.

A CV software to write resumes.

With the To-Do extension you get a simple popup to capture your ideas, goals and daily tasks.

Beatnik is a service that aggregates links for music streaming services given a song or album. It's available directly online or through Chrome and Firefox browser extensions.

Bilingual Subtitles for Netflix.

A cross-platform app that pulls every Devolutions vault into one launchpad and protects sign-ins with MFA through Devolutions Authenticator.

Allows Facebook Messenger to run as a sidebar. Talk to your friends while browsing the web. The sidebar is visible on all tabs.

Clean your social networks news feeds, by filtering the posts based on a banned word list.

Firefox and Chrome Extension for Smart Reading - Bionic Reading.

Returns old TweetDeck, for free!.

Analytics Inspector provide an easy way to validate web analytics and marketing integration and offers a great way to quickly validate the instrumentation via unique and simplified user interface.

Bilingual Subtitles for the Netflix Web App. An actively maintained fork with various bug fixes and improvements to the original NflxMultiSubs.

Free SERP analysis extension for Chrome and Firefox. Extracts 25+ data points from Google search results including content metrics, link profiles, and schema markup. Generates competitor reports and exports to Excel, CSV, JSON, or Markdown.

D3wasm is an experiment to port the id Tech 4 engine (aka. “Doom 3 Engine”) to Emscripten / WebAssembly and WebGL, allowing to run games such as Doom 3 inside modern Web Browsers.

Firefox extension that makes comparison pages of wikipedia a lot more usable by making it possible to remove and restore rows in each table with a simple mouse click.

Select any text and get instant AI answers powered by Google Gemini. Extract complete YouTube transcripts with live subtitles, track Amazon product prices with history charts.

🌐 With this powerful extension, you can easily connect YouTube and NotebookLM to create organized, AI-ready notes and summaries. It supports YouTube videos, playlists, channels, and even search results.

Download Pinterest videos, images, and GIFs online — no login, no software required.