About Sync
Show information about Firefox Sync. This addon shows information about your Sync account, including showing all server data for your account. It is designed primarily for Sync developers or advanced users.
2,816 users
Link Redirect Trace
Perform advanced, comprehensive and most important correct analysis of links, redirects, and REL-canonicals. Use this extension for your SEO analysis, On page SEO, Off page SEO, competitor analysis and more.
2,781 users
Clip to DEVONthink
Clip selected web content to your DEVONthink database directly from Firefox.
2,745 users
RescueTime
Keep track of the time you spend in your browser, and get a clear picture of what you were doing all day.
2,731 users
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
2,725 users
GMail Checker Simple
Very lightweight Firefox 57+ (WebExtension) Compatibile Gmail checker Add-On. Onclick: open GMail. English version.
2,708 users
Hide Gemini and Google AI
Hides AI-generated elements from Google properties, like search results, Google Drive, and more.
2,686 users
ReYohoho Twitch Proxy 1080p/1440p в РФ
Прокси для Twitch, чтобы смотреть в 1080p/1440p (РФ)
2,668 users
HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
2,666 users
UltraWide Video 21:9
Allows wider than average screens (eg.21:9) to play online video content and fit the screen properly in fullscreen mode.
2,633 users
Debrid-Link Plugin
Downloader & Seedbox. Premium link generator and torrent downloading.
2,628 users
Meta4 ClickOnce Launcher
This extension adds support for launching ClickOnce applications from Firefox. It is needed for launching the Meta4 PeopleNet product although it can be used with any ClickOnce-based application.
2,602 users
Tamper Data for FF Quantum
- Monitor live requests - Edit headers on live requests - Cancel live requests - Redirect live requests Click the blue cloud in the toolbar to start tampering. When you're done, click it again to stop.
2,601 users
Open Subtitles
Add subtitles to any HTML5 video sites such as Youtube, Netflix, Amazon Prime Video, Disney+, HBO Max and other stream sites.
2,587 users
Email Extractor
Automated Email Extraction Tool which extracts email addresses from web pages and AutoSaves them to use anytime.
2,586 users
Open in Foxit™ Reader
Adds a context menu item to send PDF links directly to Foxit™ Reader
2,504 users
Google Analytics Debugger
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript. P.S: this add-on is migrated from Chrome store.
2,487 users
Flexera Web Metering
This extension tracks web application use for the purpose of license compliance and cost optimization.
2,480 users
