Mozilla Firefox Plugins, Add-ons and extension Page 19 of 81

Visual start page organizing top websites by category, with customizable homepage, drag-and-drop favorites, no signup, and a clean, ad-free interface.

Free online mind mapping platform enabling real-time collaboration, brainstorming, project planning, export options, templates, and unlimited nodes and maps.

Leopard is an on-device speech-to-text engine offering private, accurate and affordable transcription experiences with zero latency. Leopard, with its small model size, can run anywhere from single-board computers such as Raspberry Pi, web browsers and servers.

A powerful, free spelling and grammar checker. Scribens corrects 250 types of grammar mistakes. English and French.

A Customized Vimium (to click web page content and manipulate browser windows using only keyboard) having Chinese support, global Commands and injection functionality, in C-style code for quicker action and less resource cost.

Hide unwanted streams, games, categories, channels and tags on Twitch.

Efficiently manage and bookmark your tabs with intuitive keymaps and privacy-conscious storage. Compatible with Firefox for enhanced browsing.

Send Note to Device allows you to send current URL with a note (message) to different devices.

At Loader.to you'll find the best online free conversion tool to download videos in almost any format, including the most famous ones. Supported Sites: YouTube, Vimeo, SoundCloud, Facebook, Twitter, Twitch, TikTok and IMDB.

Lichess is a great platform that provides lots of fantastic free services like free analysis, studies, tournaments, and more. However, the site doesn't feel very contemporary, and this can turn many users off towards other platforms, and ultimately off an incredibly useful...

Allows you to use Kagi Search with Privacy Pass, which cryptographically ensures that Kagi cannot tie that request to an account and allows for further privacy and anonymity.

Facilitates web scraping and lead generation using no-code bots across LinkedIn, Twitter, Facebook, and more. Cloud-based APIs enhance productivity.

rollApp is a Software-on-Demand service that instantly delivers virtually any existing desktop software to any Web-browser equipped computing or mobile device over broadband/3G.

pCloud Pass helps you keep your passwords and gives you Instant SECURE access to them on all your devices. Log in to sites and fill forms with a single click.

A browser extension to View and Manage all form data that has been saved by the web browser giving you full control over what is stored, what is cleaned up or not, and when to perform a cleanup.

Auto Highlight a fully automatic and easy to use text marker / highlighter / style fixer. No need to use search anymore to find important information!

Harakirimail is a free disposable email service. Just send email to anythingyouwant@harakirimail.com and let us deal with the email (and all spam). And after 24H the email performs harakiri (seppuku), and you never have to see it again.

Efficiently manage tab overload by auto-closing idle tabs while saving them securely for later retrieval. Supports Chrome sync and tab locking.

WhoDBis a lightweight (~20MB), powerful, and user-friendly database management tool designed to streamline your database administration tasks.

Lyrics Here (formerly called YouTube Lyrics) provides instant lyrics for YouTube, Spotify Web Player, Jango, .

Simple time tracking and invoicing software that used to simplify employee timesheets, until acquired by Bending Spoons to enforce extreme price increases and artificial limits.

Share files, folders, messages, links, notifications and clipboard. You can do much more with the PRO version.

Improve your browsing and shopping experience at Steam with many features and quality of life improvements!

ATHLYZER is the All-In-One Videoplatform for you as a coach and for your club. Gain insights into your athletes performance, prepare important scenes from the last games with one-click playlists and share those insights with your fellow coaches in realtime.

"Clean Uninstall" cleans fingerprints (such as preferences) left by an add-on from your Firefox profile upon its removal. Usually add-on developers do not clear preferences created by their extension just before extension gets uninstalled.