LoadTabOnSelect
Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.
338 users
Vulners Web Scanner
Tiny vulnerability scanner based on vulners.com vulnerability database. Scan websites while you surf internet!
337 users
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
334 users
Twitch Text Emotes - temotes
Save your favorite text phrases ("LULW", "KEKW", emoticons, etc.) directly into the standard Twitch Emotes panel and use them in Twitch chat. Simple and useful.
332 users
Image Extractor
Extract all images and show in new tab
329 users
GitHub Gloc
Github Gloc - counts locs on GitHub pages
329 users
Measure Element
Shows width, height, or alignment of selected area at anywhere on webpage in pixels.
329 users
var_dump
client-side var_dump beautifier
328 users
Check XSS
Plugin helps in finding site vulnerabilities such as XSS, SQL injection and CRLF. Check XSS makes it possible for you to text XSS (CRLF and SQL commands) with context menu with just 2 mouse clicks.
328 users
Proxy Switch
Easily toggle between proxy settings.
325 users
mSession Keeper
An extension to keep your web-sessions alive. Maintains active sessions of Web Applications, that have an inactivity timeouts. Based on Session Keeper by Guillaume Boudreau.
325 users
Workona Tab Suspender
Suspend your browser tabs to save memory.
320 users
JavaScript Errors Notifier
Notifies JavaScript errors by icon in toolbar bar or notification popup GitHub → https://goo.gl/RBcFK8 Test page → https://goo.gl/IEXS2y
319 users
Atom File Icons Web
Changes GitHub and BitBucket file icons according to their extension or framework
318 users
Table Data Export
Table export plugin gives you the ability to easily export HTML tables to the CSV. For best results, click on edit table Identifier Defaults. Then select table identifier either class or id. Then enter table class/id (from inspect element method).
318 users
gRPC-Web Developer Tools
gRPC-Web Developer Tools for debugging application's gRPC-Web network requests.
317 users
Cache Longer
Cache Longer speeds up your browsing by make your browser cache things for longer.
315 users
SAML to AWS STS Keys
Generates file with AWS STS Keys after logging in to AWS webconsole using SSO (SAML 2.0). It leverages 'assumeRoleWithSAML' API.
312 users
SEOInfo
Shows SEO issues as you navigate pages. Displays performance data, redirects, structured data and errors for HTML pages. Save to Excel.
310 users
Ghost Inspector - Web Test Recorder
Ghost Inspector is an automated browser testing service. Our add-on allows you to record yourself performing actions on your website within your browser, then sync them to the Ghost Inspector service and run them continuously as a regression test.
309 users
CSP Content Security Policy Generator
Best Content-Security-Policy generator to automatically create Strict CSP policies (with SHA support) for any website.
308 users
AIO Bypass
All in One Bypass Tools , Bypass Annoying Link Shorteners , Automatically Downloading Files , Flickr Images And Youtube Video And Much More
308 users
HTML5 Universal Speed Hack
Speed up or slow down HTML5 and Unity games directly in the browser. Control functions like setTimeout, setInterval, Date.now, and more to precisely adjust game speed.
307 users
ChatGPT to Markdown
Convert ChatGPT, Claude.ai, Mistral.ai conversations to Markdown (.md) files
306 users
XPath Helper
Quickly get the XPath for any element on a webpage with just one click. Simply select an element and it will display its XPath.
305 users