CSS Stacking Context inspector
Helps inspecting the css stacking contexts and solving the z-index war.
581 users
New Tab Same Group
Opens new tabs in the same group as the active one — right after, at the beginning, or at the end. Supports Firefox’s native tab groups, vertical (sidebar) or horizontal (classic) modes.
574 users
Google Cache
Google Cache lets you visit retrieve the web page from Google Web Cache when the site is offline.
567 users
Live Reload — monitor and reload html, css, js
Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.
561 users
Codeforces Rating-Based Heatmap
Displays a rating-based problem-solving heatmap on Codeforces profile pages.
560 users
OurStickys - Sticky Notes on every page
Add Persistent Sticky Notes anywhere on any web page, they will reappear when you re-open the page
556 users
PlantUML for GitHub
Renders plantuml code blocks directly on GitHub pages using the client-side TeaVM-compiled PlantUML engine.
548 users
Decodo(Smartproxy) Extension
Start using proxies with Firefox Proxy Add-on. Effortlessly bring all the essential proxy features into your Firefox browser with the Decodo add-on.
544 users
FxIF
View exIF allows you to view metadata contained in .jpg and .tiff images from your Firefox browser.
542 users
IP Geolocator
Shows detailed information about your IPv4 & IPv6 address and their location.
539 users
Easy Data Scraper - Instant Website Data Scraper
Easy Data Scraper - Automatically detects, scrapes, and highlights data from multiple sections on a page.
536 users
Headers
Take control of your web requests with the Headers extension for Firefox! This powerful tool allows you to effortlessly add, modify, or remove HTTP headers for any website you visit, giving you enhanced privacy, security, and customization options.
532 users
cookies.txt One Click
Based off cookies.txt at https://chrome.google.com/webstore/detail/cookiestxt/njabckikapfpffapmjgojcnbfjonfjfg?hl=en
532 users
Autofill Extension
The Autofill Extension is a convenient tool that automates the process of filling out personal information on websites. It simplifies signing up for new accounts or providing personal details by automatically populating text input
530 users
Simple Lorem Ipsum
This extension lets you insert Lorem Ipsum anywhere on your page with an edit mode to modify any content on your page.
528 users
Chrome Simulator
Makes Firefox wear a mask to look like Chrome to websites that otherwise won't work.
526 users
Night Mode - Dark Theme
A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.
526 users
ChromeLogger
Parses and displays messages from X-ChromeLogger-Data and X-ChromePHP-Data headers in DevTools Web Console facilitating server-side debugging via the Chrome Logger protocol ( https://craig.is/writing/chrome-logger/ ).
518 users
Bootstrap - Responsive Helper
Show the Bootstrap grid class currently active (XS, SM, MD, LG, XL, XXL). Tested and work with the versions: 3, 4, 5 Not compatible versions: 4 Alpha 2
517 users
