Mobile Viewer
View websites through the lens of different mobile devices with this utility, allowing users to test and assess website layouts and responsiveness.
142 brûkers
Make it louder!
A minimalist, privacy-first audio booster for Firefox. Amplify any tab up to 500%, boost bass by 20dB, and toggle mono audio—all with zero tracking or data collection.
142 brûkers
Link Properties Plus WE
Provides extended link properties: size of linked file, last modified time, etc.
141 brûkers
HTML/CSS Extractor
Extract HTML & CSS from any element with live preview, smart selector simplification, and syntax-highlighted editor
141 brûkers
Discord TOKEN Checker tool
This is an add-on that allows you to obtain and confirm your own Discord token without using developer tools.
141 brûkers
Odoo Barcode Scanner
This extension emulates a barcode scanner in the Odoo web UI. It types your code character-by-character and presses Enter, just like a real USB scanner. Perfect for testing without hardware. Credits: Firefox port by Nuprod (Chrome -> Firefox)
141 brûkers
IP
Instantly displays your public IP address, ISP, and geolocation details (city, region, country, postal code, timezone). Copy button, auto-refresh, and dark mode. No tracking, no data collection.
140 brûkers
Beautifer & Minify
This extension helps you quickly to minify and beautify CSS, HTML and JavaScript code! Make your website smaller and faster to load by minifying the JS, HTML and CSS code. HTML & CSS & JavaScript Beautifier/Minifier
139 brûkers
JS Injector
Automate testing and auto-populate forms by injecting javascript code into the page. If [Run in isolation] is checked, the injected script will not contaminate the original code.
138 brûkers
Haloscan
Retrouvez en 1 clic les principales métriques d'Haloscan.com directement sur votre navigateur Firefox. Cette extension est gratuite, mais elle nécessite une connexion à un compte Haloscan.com pour récupérer les métriques.
138 brûkers
Tab Manager v2
Search, group, move, and clean up tabs across browser windows with a keyboard-first workflow
136 brûkers
What is my IP address
What is my IP app helps you to recognize full network information in one click
136 brûkers
Font Changer
Change any page font instantly with a simple click, choose from a list of over 800 different fonts and SAVE your settings for the website.
136 brûkers
Excellent Data Filler
Fill Online Form and Scraper Data, Input, Checkbox, Select Fields, Click Button, Execute JS Script, Run Predefine Functions
135 brûkers
TokenBear
A simple way to copy Bearer tokens (and other Authorization header values). The extensions adds a new panel to the Developer tools, that shows all requests with the 'Authorization' header and the header value. Also a 'Copy' button for easy copying.
135 brûkers
Roblox Themes – E-ROBLOX: Animated & Static Design
E-ROBLOX is a lightweight Firefox extension that enhances Roblox with a variety of free themes, greetings, and smooth integration—safe, fast, and optimized for both PC and mobile devices.
135 brûkers
Cookie Lympha
A basic add-on. Gets rid of a current site's cookies. Repository: https://github.com/MARNUTUX/lympha-cookies
134 brûkers
RTL for AI Sites
Smart right-to-left for AI sites like Claude, ChatGPT, Gemini, Grok, DeepSeek, Perplexity, Copilot, Poe and Arena.
134 brûkers
Reminder
This is a reminder add-on which reminds you about the things u specify ,provided some time.
134 brûkers
