Web to PDF
Export any web page as a clean PDF — choose paper size, extract articles, force light mode, or save just your selection.
571 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.
570 users
cookies.txt One Click
Based off cookies.txt at https://chrome.google.com/webstore/detail/cookiestxt/njabckikapfpffapmjgojcnbfjonfjfg?hl=en
568 users
IP Geolocator
Shows detailed information about your IPv4 & IPv6 address and their location.
563 users
Environment Marker
Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.
561 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
561 users
Markdown Editor for Firefox
Markdown Editor for Firefox also comes with one-click HTML conversion, file support and other discreet gems.
561 users
FxIF
View exIF allows you to view metadata contained in .jpg and .tiff images from your Firefox browser.
559 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.
558 users
Seerobots
Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...
547 users
HackBar
A HackBar for new firefox. This addon is written in webextension and alternatives to the XUL version of original Hackbar.
546 users
Le Git Graph - GitHub Git Graph
A browser extension that displays the git graph for any GitHub repository.
546 users
Marker.io: Visual bug reporting
Visual bug reporting tool: save time & report visual issues in seconds with all data your devs need.
540 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/ ).
540 users
Clipboard History IO
The most secure way to effortlessly access, track, and manage your clipboard history.
539 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
539 users
Show site IP
Shows the site's IP address in the browser's address bar. Just hover your mouse over the icon to display it or click to copy.
535 users
Minsait eSignature Web Extension
Complemento intermediario entre una aplicación web y una aplicación nativa para realizar firmas digitales.
532 users
SEO Pro Extension
SEO Pro extension helps to see all on-page and technical SEO aspects at a glance, including meta data, headers, canonical tags, meta robots, HTTP codes, alt tags, schema, Core Web Vitals, internal/external links, word count, social graph & more.
525 users
Mobile phone emulator - test websites
Elevate your responsive web development workflow with the ultimate Mobile Phone Emulator.
521 users
