Color Picker For Firefox
HEX Color Picker, RGB Color Picker, Color Picker EyeDropper, Pick color from web page (Color Picker For Firefox)
3 011 käyttäjää
HTTP request maker
Displays a sidebar that lets you to forge HTTP requests. Press Alt+Shift+Y to show the sidebar and make your own HTTP request. You can choose the method GET, HEAD, POST, OPTIONS, PUT DELETE and the body data to send. Response in the main window.
2 912 käyttäjää
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.
2 884 käyttäjää
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2 881 käyttäjää
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2 876 käyttäjää
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2 867 käyttäjää
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.
2 782 käyttäjää
Vue.js Devtools v6 (legacy)
Browser DevTools extension for debugging Vue.js applications. This is the legacy version of Vue Devtools (v6) for Vue 2 compatibility.
2 781 käyttäjää
Signer.Digital Digital Signature, PKI
Signer.Digital - Digital Signing of eReturns, PDF Signing and Web User Auth, RSA Encryption/Decryption. JULY 2022 - Added support for ICP-Brazil and ITIDA Egypt.
2 674 käyttäjää
Salesforce Inspector Reloaded
Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.
2 656 käyttäjää
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
2 645 käyttäjää
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.
2 638 käyttäjää
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.
2 565 käyttäjää
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2 552 käyttäjää
View Image Info Reborn
Display info for the current image in a new window, new tab, or overlaid on the image. Convert WEBP images to PNG or JPEG. Send an image URL to TinEye for reverse image search. "View image..." in same tab? Check the screenshots for all the options.
2 539 käyttäjää
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
2 525 käyttäjää
Get cookies.txt LOCALLY
Get cookies.txt, NEVER send information outside with open-source
2 504 käyttäjää
