WebXR API Emulator
Emulate WebXR devices on your browser
사용자 3,068명
Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
사용자 3,061명
Print for Firefox
Print the current page you see with one single click. And that for all kinds of photo printing, poster printing, brochure printer, newspaper printing, business cards and more.
사용자 3,056명
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
사용자 3,043명
REST Client APIsHub
A Modern and simple API testing tool!
사용자 3,024명
Referer Control
Control the HTTP Referer on a per-site basis.
사용자 3,009명
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
사용자 2,981명
FirePHP
Log from PHP to a devtools panel.
사용자 2,940명
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
사용자 2,922명
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.
사용자 2,914명
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
사용자 2,800명
Jazz-MIDI
MIDI support for browsers
사용자 2,792명
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
사용자 2,658명
HackTools
Hacktools, is a web extension facilitating your web application penetration tests, it includes cheat sheets as well as all the tools used during a test such as XSS payloads, Reverse shells to test your web application.
사용자 2,639명
Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
사용자 2,627명
Screenshot Full Page
Take screenshot of entire webpage with single click.
사용자 2,596명
dataslayer
Debug and test tag management (Google Tag Manager, Adobe Launch / DTM, Tealium) and analytics (Google Analytics, Adobe Analytics) implementations from within Developer Tools.
사용자 2,582명
Clockwork
php dev tools integrated to your browser
사용자 2,573명
Yandex Wordstat Assistant
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
사용자 2,542명
VisBug
Open source browser design tools
사용자 2,531명
Easy Auto Refresh
Auto-refresh and auto-reload pages after any number of seconds.
사용자 2,527명
Pesticide
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
사용자 2,517명
Wizdler
Parses the WSDL files and generates SOAP messages for you.
사용자 2,506명
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.
사용자 2,499명
FB unseen
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.
사용자 2,480명