SAML-tracer
A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.
22,644 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.
22,494 users
Avira Password Manager
Avira Password Manager saves, manages, and syncs all your passwords across all your devices.
22,467 users
Repeek (formerly FACEIT Enhancer)
Repeek enhances your experience on FACEIT and adds useful features
22,046 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.
22,030 users
10ten Japanese Reader (Rikaichamp)
Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.
21,918 users
WEB.DE MailCheck for Firefox
Mail notifier for multiple email accounts
21,913 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®
21,867 users
Todoist for Firefox
Organize work and life with Todoist for Firefox
21,787 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+
21,784 users
Video Downloader Prime
Easily download most popular video formats.
21,749 users
Raindrop.io
All-in-one bookmark manager
21,454 users
German dictionary (de_DE)
German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.
21,354 users
Keplr
Keplr is a browser extension wallet for the Inter blockchain ecosystem.
21,349 users
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
21,331 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.
21,273 users
IE View WE
Provides ability to open pages and links by Internet Explorer (Cloned IE View based on WebExtensions-based)
21,248 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.)
21,241 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.
21,098 users
Адаптер Рутокен Плагин
Позволяет использовать Рутокен Плагин
21,082 users
Swedish Dictionary
Swedish spell-check dictionary.
21,019 users
Checker Plus for Gmail™
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
20,886 users
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
20,846 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.
20,756 users
PDF2Go - PDF Editor & Converter
Solve all your PDF editing and conversion needs with this free All-in-One online PDF tool.
20,671 users