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.
4.352 usuários
Fontanello
A browser extension that lets you display the basic typographic styles of a text by right-clicking it.
4.163 usuários
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
4.121 usuários
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
4.099 usuários
IPFS Companion
Harness the power of IPFS in your browser
4.094 usuários
Random User-Agent
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
4.034 usuários
HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
4.001 usuários
simple-modify-headers
The extension rewrite the header (request or response) based on a rules table. It 's possible to add, modify or remove header fields for a choosen url pattern. It's possible to import/export the configuration
3.998 usuários
FirePHP
Log from PHP to a devtools panel.
3.975 usuários
cliget
Download login-protected files from the command line using curl, wget or aria2.
3.958 usuários
retire.js
Scanning website for vulnerable js libraries.
3.949 usuários
Ahrefs SEO Toolbar: On-Page and SERP Tools
On-page SEO report, broken link checker, redirect tracer, and country changer for SERP in one add-on. If you have an active account at ahrefs.com, you will also get instant access to Page, Domain, and keyword metrics via your Ahrefs account.
3.891 usuários
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
3.868 usuários
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.
3.764 usuários
ColorFish 🐠 Color Picker
Open-Source Color Picker for Websites and Desktop Apps. With ColorFish you can get a color reading from any point in your browser and desktop. ColorFish is the only eyedropper browser extension with desktop color selection support.
3.751 usuários
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
3.721 usuários
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
3.707 usuários
Hoppscotch Extension for Firefox
Provides better experience for using the Hoppscotch web app. Haven't used Hoppscotch ? It's an amazing quick API Request Builder. Try it at https://hoppscotch.io/ !!!
3.686 usuários
Postman Interceptor
Capture requests from any website within Firefox and send them to Postman App
3.684 usuários
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
3.671 usuários
SEO Analysis & Website Review by WooRank
Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.
3.596 usuários
Copilot (GPT-4) in Google
🗨️ Microsoft Copilot answer alongside Google results.
3.579 usuários
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
3.554 usuários
4ebur.net
4ebur.net VPN Proxy is a secure, anonymous internet connection.
3.438 usuários
base64 decoder
select some text, and base64 decode it.
3.378 usuários