SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
22,622 users
Avira Password Manager
Avira Password Manager saves, manages, and syncs all your passwords across all your devices.
22,537 users
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.
22,511 users
NordPass® Password Manager & Digital Vault
NordPass is your freedom from password stress. Generate and securely store strong passwords and autofill them with a single click.
22,490 users
Map Route Pro and Search
Map Route Pro provides free maps and directions via the favicon on the toolbar along with web search results powered by Yahoo®
22,118 users
Repeek (formerly FACEIT Enhancer)
Repeek enhances your experience on FACEIT and adds useful features
22,044 users
10ten Japanese Reader (Rikaichamp)
Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.
21,967 users
Todoist for Firefox
Organize work and life with Todoist for Firefox
21,836 users
WEB.DE MailCheck for Firefox
Mail notifier for multiple email accounts
21,828 users
Video Downloader Prime
Easily download most popular video formats.
21,782 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+
21,768 users
Raindrop.io
All-in-one bookmark manager
21,443 users
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
21,352 users
German dictionary (de_DE)
German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.
21,324 users
IE View WE
Provides ability to open pages and links by Internet Explorer (Cloned IE View based on WebExtensions-based)
21,306 users
Keplr
Keplr is a browser extension wallet for the Inter blockchain ecosystem.
21,272 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.
21,259 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.
21,003 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.)
20,988 users
Swedish Dictionary
Swedish spell-check dictionary.
20,967 users
European Portuguese Spellchecker
European Portuguese (pt-PT) Dictionary
20,921 users
Checker Plus for Gmail™
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
20,907 users
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
20,815 users
Адаптер Рутокен Плагин
Позволяет использовать Рутокен Плагин
20,722 users
PDF2Go - PDF Editor & Converter
Solve all your PDF editing and conversion needs with this free All-in-One online PDF tool.
20,714 users