Colorpick Eyedropper
A simple eye-dropper & color-picker tool allowing you to select color values from webpages. You will need to enable the add-on bar Firefox menu->Options->Add-on Bar OR View->Toolbars->Add-on Bar Then refresh the page.
22,315 users
Hide Youtube-Shorts
Hides YouTube-shorts videos from home page, subscriptions, search results.
22,268 users
Avira Password Manager
Avira Password Manager saves, manages, and syncs all your passwords across all your devices.
22,227 users
WEB.DE MailCheck for Firefox
Mail notifier for multiple email accounts
22,110 users
Repeek (formerly FACEIT Enhancer)
Repeek enhances your experience on FACEIT and adds useful features
22,093 users
Keplr
Keplr is a browser extension wallet for the Inter blockchain ecosystem.
21,908 users
Passbolt - Open source password manager for teams
Passbolt is an open source password manager designed for collaboration. Securely create, manage and monitor your passwords. Share them instantly with your team.
21,887 users
Todoist for Firefox
Organize work and life with Todoist for Firefox
21,879 users
German dictionary (de_DE)
German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.
21,800 users
Video Downloader Prime
Easily download most popular video formats.
21,791 users
10ten Japanese Reader (Rikaichamp)
Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.
21,740 users
Save Page WE
Save a complete web page (as currently displayed) as a single HTML file that can be opened in any browser. Save a single page, multiple selected pages or a list of page URLs. Automate saving from command line.
21,702 users
YouTube mp3 Downloader
The YouTube mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a mp3 with just one click. Compatible with new FireFox Quantum 57+
21,672 users
Swedish Dictionary
Swedish spell-check dictionary.
21,598 users
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
21,499 users
To DeepL translation
Right-click on a section of text and click on "To DeepL" to translate it to your language. Default language is selected in extension preferences.
21,469 users
Antidote Connector for Firefox
Use Antidote directly where you are writing! Run a text through the corrector and the changes you make will automatically be applied to the original text in Firefox. (You must have access to Antidote.)
21,443 users
European Portuguese Spellchecker
European Portuguese (pt-PT) Dictionary
21,420 users
ImageAssistant Batch Image Downloader
An image extractor for sniffing, analyzing and batch downloading images from web page.
21,414 users
Raindrop.io
All-in-one bookmark manager
21,321 users
SellerSprite - The Most Professional Amazon Tool
An integrating software that helps Amazon sellers find products, optimize keywords, do keyword&product research, spy on competitors, etc.
21,164 users
Arabic spell-checking dictionary
Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.
21,031 users
Checker Plus for Gmail™
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
21,011 users
20,800 users
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
20,724 users