Trello Card ID
Shows Trello card IDs for use in commits and for other quick references. Copy the ID to the clipboard by clicking on it.
343 brûkers
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.
342 brûkers
OWASP Penetration Testing Kit
Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams. Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams.
342 brûkers
The Stream Detector PLUS
Detects playlists and subtitles used by streams, incl. custom file extensions and headers. Assembles readymade commands for tools.
339 brûkers
SpeedVitals
Perform Web Vitals Test & TTFB Test on Multiple Locations & Devices. SpeedVitals Extension helps measure the performance of a website directly from that website itself.
339 brûkers
Toggley
Switch between the default themes: Toggley is a Light / Dark mode toggle button for Firefox.
338 brûkers
Measure Element
Shows width, height, or alignment of selected area at anywhere on webpage in pixels.
338 brûkers
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.
337 brûkers
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.
334 brûkers
SEOInfo
Shows SEO issues as you navigate pages. Displays performance data, redirects, structured data and errors for HTML pages. Save to Excel.
333 brûkers
JSON Editor
A JSON Editor Extension based on the amazing JSON Editor Online https://github.com/josdejong/svelte-jsoneditor Source code: https://github.com/fractalf/json-editor-ex
332 brûkers
YT Nonstop
No more 'Video paused. Continue watching?' confirmation box! And with two extra options: 1) disable autoplay; 2) loop playlist.
331 brûkers
CSP Content Security Policy Generator
Best Content-Security-Policy generator to automatically create Strict CSP policies (with SHA support) for any website.
328 brûkers
ClickJacking
ClickJacking is a tool developed by Pentester Helper to help website owners determine if their website is vulnerable to clickjacking.
327 brûkers
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.
327 brûkers
Canvas Blocker - Fingerprint Protect
Prevent HTML canvas element from generating a unique identification key to protect user's privacy
325 brûkers
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+.
323 brûkers
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
323 brûkers
Shadertoy Custom Texures
Allows you to use custom 2D textures, music and videos in Shadertoy. To load an image, drag and drop it (either from your computer or from the web) onto one of the texture preview slots.
320 brûkers
gRPC-Web Developer Tools
gRPC-Web Developer Tools for debugging application's gRPC-Web network requests.
320 brûkers
