X-Forwarded-For Header
This extension allows you quickly to set the X-Forwarded-For HTTP Header
2 966 uživatelů
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
2 950 uživatelů
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.
2 923 uživatelů
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
2 898 uživatelů
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
2 890 uživatelů
HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
2 828 uživatelů
Signer.Digital Digital Signature, PKI
Signer.Digital - Digital Signing of eReturns, PDF Signing and Web User Auth, RSA Encryption/Decryption. JULY 2022 - Added support for ICP-Brazil and ITIDA Egypt.
2 806 uživatelů
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.
2 718 uživatelů
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2 703 uživatelů
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2 687 uživatelů
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2 598 uživatelů
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.
2 558 uživatelů
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2 468 uživatelů
