Mozilla Firefox Plugins, Add-ons and extension Page 76 of 80

Instantly view grouped CSS details, extract palettes with color breakdowns, browse all page images, review fonts, and copy style blocks using a modern extension.

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.

A calm new tab: one sourced number about the world each morning, instead of doomscrolling. Guess first, then see the facts.

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

16 SEO, AEO and GEO tools on one subscription: question research, AI-written blog posts, rank tracking, AI visibility, the most complete site audit (1,199 checks) with a repair plan, a full design review and an AI SEO consultant. Approve a fix and Nokofy writes it to your site.

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.

WebBrain is a free, open-source browser extension that brings AI agent capabilities to your browser. Read pages, extract data, and automate web tasks — powered by your choice of LLM. The self-hostable alternative to proprietary browser AI plugins.

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.

PowerTable is a JavaScript component that turns JSON data into an interactive HTML table. Inspired by DataTables. Powered by Svelte.

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.

Easily generate stunning and customisable QR codes directly from your browser for free using 10+ generation modes and powerful tools.

🌐 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.

Discover a streamlined combination of tools to help your business thrive. Record all billable hours and expenses from a single interface, integrate with your favourite project management software and improve your resourcing with comprehensive reporting dashboards.

While really simple and easy to use, the functionalities of the extension make it nothing less than an authentic smart note-taking extension for your browser.

BlockZilla is a browser extension that automatically removes all sponsored posts Facebook, Reddit, and LinkedIn. It also removes promoted tweets on Twitter, as well as ads on Amazon and eBay.

A full-featured privileged access security solution that helps IT teams to securely store, protect, and automate the management of all high privileged account passwords, keys, and identities.

Get bugs fixed faster with complete bug reports. Share one link, devs instantly see what happened and why, with screenshots, logs, network calls, and user actions.

VoxyFlow is an intelligent browser translator extension and AI reading assistant designed for effortless reading of foreign articles, technical documentation, and blogs in complete Flow state.