Have control over WebRTC (disable or enable) and protect your IP address.
- Monitor live requests - Edit headers on live requests - Cancel live requests - Redirect live requests Click the blue cloud in the toolbar to start tampering. When you're done, click it again to stop.
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
Edit cookies related to the current page and all its sub-frames right from a popup
FoxyProxy Basic is a simple on/off proxy switcher. More advanced features and configuration options are offered by FoxyProxy Standard.
Right-click selected text to copy the URL of any links it contains.
Log from PHP to a devtools panel.
GraphQL debugging tools for Apollo Client.
Simplifies the GitHub interface and adds many useful features.
Extends the Developer Tools, adding tools for debugging and profiling Angular applications.
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.
ChroPath helps to generate and validate selectors like relative xpath, cssSelector etc with iframe support.
Open current page or link in tor browser for better privacy
Open current page or link in Chrome browser
Unofficial Facebook Pixel Helper extension for Firefox. View all Facebook events fired on the current page.
daily.dev is the fastest growing online community for developers to stay updated on the best developer news.
Take a screenshot from the entire website with just one click.
Export cookies to a Netscape format cookies.txt file.
This add-on displays the result of evaluating XPath expression or CSS selector.
Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks. Donate here: https://darktrojan.github.io/donate.html?openwith
An indicator showing the HTTP version used to load the page in the address bar.
Firebug extension for web analytics testing and debugging
Allow the browser to play HLS (m3u8) or MPEG-Dash (mpd) video urls 'natively'. This is a fork of Native HLS with additional features. Click on any m3u8 or mpd link inside Firefox to play it directly in a new tab
Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.