Mozilla Firefox Plugins, Add-ons and extension Page 53 of 75

Displays a small thumbnail of the contents of background tabs when you mouse over them.

Chat instantly with random people worldwide for free, no registration required. Enjoy fast, anonymous text chats in your browser, with instant, secure connections and privacy protection.

The best digital certificate platform to create, issue, and verify professional credentials and badges. Beautiful design meets powerful verification.

SEO Health Checker is a professional-grade browser extension designed for SEO managers and web developers to perform instant technical audits.

Clypto is a non-custodial cross-chain DeFi aggregation platform that enables users to swap cryptocurrencies like Bitcoin, Ethereum, and stablecoins across multiple blockchains through a single interface.

By blocking annoying ads and nosy trackers, adaware ad block nearly doubles your browsing speed! The most robust antivirus level cloud scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber threat.

This site allows you to download thumbnails of any YouTube videos by entering the video URL.

Youtube Repeater allows anyone to loop YouTube videos or timed sections of videos with just a few clicks of the mouse.

Spot SponsorBlock is an open-source crowdsourced browser extension which utilises the SponsorBlock API for skipping sponsor segments in Spotify podcasts.

Lokia lets you learn +50 languages from YouTube videos by translating subtitles directly in your browser or by importing videos into the app to save and review vocabulary.

Perapera Chinese is a pop-up dictionary and study tool for Chinese, which uses the public domain Chinese-English dictionary CC-CEDICT. It works as a free add-on for Firefox and Chrome.

Web-based help desk and service management solution providing automated email ticketing, Incident, Problem, Change and Asset Management functionality, plus a lot more!.

Word Counter Plus is a powerful online tool that quickly counts words, characters, sentences, and reading time — perfect for writers, students, and content creators.

Adds toolbar buttons for quick access to undo the closing of tabs.

Local-first extension for managing bookmarks, with a customizable dashboard, batch editing, automatic categorization, bulk backup, link checker, and search.

Search and extract email addresses instantly from any website you visit - fast, simple, and privacy-friendly.

100% Pure Content.

Have you had enough of cookie banners? Forget about them! Ninja Cookie will take care of these and can say “no” to them for you!

YouTube Suggestion Blocker delivers a focused, distraction-free viewing experience by removing clutter and interruptions.

Alt Magic is an AI-powered WordPress plugin that automatically generates descriptive alt texts and image filenames to enhance SEO, accessibility, and discoverability.

Cache Status is an easy cache status and management tool located right in your address-bar.

Control when you receive emails by creating custom aliases. Batch messages into daily, weekly or monthly digests.

AI Sales Assistant and Coach for video calls that reads the room, auto-takes notes, and turns meetings into clip-backed coaching and CRM-ready next steps.

WebCensor is profanity filter for Google Chrome and Mozilla Firefox browsers. In addition, you can use it as content filter, as it uses not only the predefined list of bad, curse, cuss, offensive, swear words but also the ability to add your own custom filters which people will.

A fast full-fledged downloader for videos or streams alike. (Supports formats like HLS, M3U8, MP4, SRT, WebVTT, TTML and more.).