Try IT Yourself HTML5 editor
Fast & offline editor for your HTML5 web apps and experiments
274 users
Request Interceptor
A Firefox extension that intercepts and edits HTTP requests, allowing you to view, customize, and send them directly from your browser. Incredibly easy and comfortable to use. Good for penetration testers and developers.
274 users
QR Code
Add 'QR Code' Encoding Functions. "QR Code" is registered by DENSO WAVE INCORPORATED.
273 users
Chrome Litchi Virtual Mission
Adds ability to export mission from mission hub as google earth virtual tour
273 users
Codeforces Rating-Based Heatmap
Displays a rating-based problem-solving heatmap on Codeforces profile pages.
273 users
Auto Save HTML
Auto Save HTML is a small extension which can be used to automatically download the HTML document(s) of a specified website when browsing that same website.
273 users
Sheets Row Highlighter
Highlight a row (and column) of current cell in Google Sheets and Microsoft Excel Online.
269 users
EyeBankWeb Plugin Adapter
This add-on allows FireFox to call the locally installed IrisGuard EyeBank APIs using native messaging, giving the user full functionality of all IrisGuard EyeBank APIs calls such as capturing iris images and doing a recognition.
269 users
TanStack Query DevTools
DevTools extension for debugging TanStack Query applications. Inspect queries, mutations, and cache state in real-time.
266 users
HTTP Header Spy
HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.
264 users
SnapOSINT
A snappy OSINT (open-source intelligence) searching tool that turns your search bar into a dedicated OSINT engine. This add-on is designed to save you time during your osint investigation.
264 users
The Tab Suspender
Suspends inactive tabs after a set time by replacing them with a custom suspended page.
264 users
Performance-Analyser
Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.
263 users
SeLite SQLite Connection Manager
It manages SQLite DB connection(s). It can be used with other extensions from SeLite family, or on its own.
261 users
Characters Counter
Find out how many characters there are in a selection by simply right-clicking it.
260 users
