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.
612 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
598 users
FxIF
View exIF allows you to view metadata contained in .jpg and .tiff images from your Firefox browser.
598 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.
577 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
574 users
Environment Marker
Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.
574 users
Le Git Graph - GitHub Git Graph
A browser extension that displays the git graph for any GitHub repository.
574 users
Moesif Origin & CORS Changer
The most popular and feature rich CORS tool on Chrome (over 100K weekly active users) is rebuilt for Firefox with more features. This plugin allows you to send cross-domain requests. You can also override Request Origin and CORS headers.
570 users
Seerobots
Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...
569 users
Claude Counter
Real-time token counter, cache timer, and full-precision usage bars for claude.ai — right in the composer. Know your limits before you hit them.
566 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.
566 users
Marker.io: Visual bug reporting
Visual bug reporting tool: save time & report visual issues in seconds with all data your devs need.
564 users
Minsait eSignature Web Extension
Complemento intermediario entre una aplicación web y una aplicación nativa para realizar firmas digitales.
562 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.
562 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/ ).
555 users
Easy Data Scraper - Instant Website Data Scraper
Easy Data Scraper - Automatically detects, scrapes, and highlights data from multiple sections on a page.
553 users
cookies.txt One Click
Based off cookies.txt at https://chrome.google.com/webstore/detail/cookiestxt/njabckikapfpffapmjgojcnbfjonfjfg?hl=en
547 users
