- 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. - 2991 użytkowników
- Copy Link Text- Copy the text of the link. - 2927 użytkowników
- 解除禁止复制- 解除网页的禁止复制 - 2912 użytkowników
- ChroPath- ChroPath helps to generate and validate selectors like relative xpath, cssSelector etc with iframe support. - 2892 użytkowników
- PoE Overlay: Dash- Share your current session on pathofexile.com with PoE Overlay - 2889 użytkowników
- HTTP Version Indicator- An indicator showing the HTTP version used to load the page in the address bar. - 2843 użytkowników
- Octotree - GitHub code tree- GitHub on steroids - 2839 użytkowników
- Carbonalyser- Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to. - 2788 użytkowników
- Grepper- The Query & Answer System for the Coder Community - 2771 użytkowników
- ffCK Overlays- Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays". - 2757 użytkowników
- Screenshot Full Page- Take screenshot of entire webpage with single click. - 2745 użytkowników
- Salesforce Inspector Reloaded- Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI. - 2737 użytkowników
- HTTP request maker- Displays a sidebar that lets you to forge HTTP requests. Press Alt+Shift+Y to show the sidebar and make your own HTTP request. You can choose the method GET, HEAD, POST, OPTIONS, PUT DELETE and the body data to send. Response in the main window. - 2720 użytkowników
- CookieManager - Cookie Editor- Edit cookies related to the current page and all its sub-frames right from a popup - 2670 użytkowników
- Spoof Geolocation- This extension alters browser Geolocation latitude and longitude to user-defined values - 2669 użytkowników
- FirePHP- Log from PHP to a devtools panel. - 2594 użytkowników
- Easy Auto Refresh- Auto-refresh and auto-reload pages after any number of seconds. - 2556 użytkowników
- Jazz-MIDI- MIDI support for browsers - 2525 użytkowników
- 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. - 2499 użytkowników
- Wizdler- Parses the WSDL files and generates SOAP messages for you. - 2476 użytkowników
- Omnibug- The leading browser extension for analytics and marketing technology testing and debugging - 2473 użytkowników
- HackTools- Hacktools, is a web extension facilitating your web application penetration tests, it includes cheat sheets as well as all the tools used during a test such as XSS payloads, Reverse shells to test your web application. - 2460 użytkowników
- webhint- Check for best practices and common errors with your site's accessibility, speed, security and more. - 2455 użytkowników
- SN Utils- ServiceNow Productivity tools. (Personal work, not affiliated to ServiceNow) - 2443 użytkowników
- Merge Windows- Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal. - 2402 użytkowników
























