signTextJS plus
window.crypto.signText replacement plus enhancements
9,352 users
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
9,336 users
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
9,293 users
Clickbait Remover for Youtube
Replaces thumbnails and modifies titles of videos on youtube.com and m.youtube.com
9,289 users
Don't Fuck With Paste
This add-on stops websites from blocking copy and paste for password fields and other input fields.
9,288 users
MarkDownload - Markdown Web Clipper
This extension works like a web clipper, but it downloads articles in a markdown format. Turndown and Readability.js are used as core libraries. It is not guaranteed to work with all websites.
9,265 users
HackBar V2
[No License, FOREVER FREE] A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. You can ask request here: https://github.com/Hack-Free/HackBar
9,228 users
Capture & Print
This add-on lets you print a webpage's area easily.
9,193 users
British English Dictionary
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett. To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
9,179 users
Safeplex Search
Add the Safeplex Search extension to easily detect real-time threats & enjoy custom secure Yahoo® search from your browser search bar.
9,176 users
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
9,167 users
Open Link with New Tab
Open the link in a new tab depending on the setting.
9,160 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
9,157 users
Emoji Keyboard - Emojis For Firefox
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
9,148 users
9,132 users
New Tab Suspender
A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of Firefox, uses a Firefox native discard API
9,126 users
Disable HTML5 Autoplay
Disable autoplay and preloading of HTML5 video and audio players.
9,069 users
9,054 users
Progressive Web Apps for Firefox
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
9,037 users
X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)
Notifier for gmail, yahoo, hotmail, aol and more webmails. X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails... Supports : gmail, yahoo, hotmail, and more
9,019 users
8,999 users
Slovak spell checking dictionary
Slovak spell checking dictionary for Mozilla applications (based on the "open-source" dictionaries by Zdenko Podobný).
8,962 users
Mobile emulator
Smartphone emulator on computer very realistic with several models to test mobile websites.
8,900 users
Google Page Translate
Adds a toolbar button to open Google Page Translate for the current tab.
8,815 users
Instant Gaming
Browse the web for your favorite games and always know if they are available at Instant-Gaming.com !
8,800 users