tweak: mock and modify HTTP requests
tweak allows you to mock and modify HTTP requests without leaving the browser
1,583 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1,564 users
Extension source viewer
View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere, with CRX Viewer (crxviewer).
1,562 users
BugHerd: Visual Feedback & Bug Tracking Tool
Screenshots for the point and click bug tracker
1,542 users
Siteimprove Accessibility Checker
Jumpstart your web accessibility efforts directly in Firefox. Is your web page accessible for everyone? Assess the accessibility of your web pages conveniently in Mozilla Firefox browser with the Siteimprove Accessibility Checker.
1,536 users
Link Extractor
Modern Web Extension to extract, parse, and open links from any site or text with optional filters.
1,509 users
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
1,497 users
Open in MS Edge™ Browser
Open current page, link, or all tabs in the Microsoft Edge™ browser
1,484 users
Web Developer Form Filler
This extension is used by developers to make it easy to save and fill forms for use in submission testing and validation.
1,477 users
Open Graph Preview
Shows approximately what users will see if this webpage is shared on websites that uses OG tags to display a preview. Let you detect if no Open Graph Tags are set on your webpage ! The shown preview is inspired from the Facebook one.
1,463 users
Augury
Extends the Developer Tools, adding tools for debugging and profiling Angular applications.
1,452 users
IndicateTLS
Displays negotiated SSL/TLS protocol version and additional security information in the address bar
1,422 users
Copy URL To Clipboard
Copy document URL / link URL to clipboard as HTML, Markdown, Text etc.
1,414 users
autoClick
I make clicks... for real. If you play idle/clicker games this one is for you. Just select a key in your keyboard and press it down for the mouse to left-click, and you can it pressed down for all the time you want.
1,363 users
NoFollow
Outlines nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
1,353 users
Download with FlashGet
when activated, interrupts the built-in download manager to direct links to FlashGet
1,343 users
