MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
4 049 användare
IPFS Companion
Harness the power of IPFS in your browser
4 012 användare
Fontanello
A browser extension that lets you display the basic typographic styles of a text by right-clicking it.
3 994 användare
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
3 954 användare
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
3 906 användare
ICPBravoAccess
ICPBravo Access ICPBrasil and General PKI Extension.
3 904 användare
HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
3 838 användare
cliget
Download login-protected files from the command line using curl, wget or aria2.
3 833 användare
FirePHP
Log from PHP to a devtools panel.
3 770 användare
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
3 753 användare
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.
3 667 användare
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
3 661 användare
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.
3 594 användare
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
3 585 användare
retire.js
Scanning website for vulnerable js libraries.
3 577 användare
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.
3 513 användare
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/ !!!
3 503 användare
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
3 491 användare
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
3 487 användare
Copilot (GPT-4) in Google
🗨️ Microsoft Copilot answer alongside Google results.
3 443 användare
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
3 419 användare
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.
3 414 användare
4ebur.net
4ebur.net VPN Proxy is a secure, anonymous internet connection.
3 410 användare
Postman Interceptor
Capture requests from any website within Firefox and send them to Postman App
3 405 användare
base64 decoder
select some text, and base64 decode it.
3 343 användare