6,750 extensions found in Web Development

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Copy URL To Clipboard
Copy document URL / link URL to clipboard as HTML, Markdown, Text etc.
Rated 4.4 out of 5
asamuzaK
1,525 users
Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
Rated 5 out of 5
Locale Switcher
1,518 users
WindowSizer
Quickly resize the window to one of your favorite sizes
Rated 4 out of 5
Dr. Cheap
1,492 users
Download with FlashGet
when activated, interrupts the built-in download manager to direct links to FlashGet
Rated 3.6 out of 5
Joe Ertaba
1,488 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.
Rated 4 out of 5
apiaget
1,484 users
Eye Dropper
Pick colors from any website.
Rated 5 out of 5
Extensions Hub
1,477 users
BugHerd: Visual Feedback & Bug Tracking Tool
Screenshots for the point and click bug tracker
Rated 2.7 out of 5
BugHerd
1,472 users
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Rated 3.8 out of 5
keller
1,469 users
View Background Image
Adds "View Background Image" to the context menu.
Rated 3.9 out of 5
foooomio
1,468 users
Gemini next to Google results
🗨️ Gemini answer alongside Google results.
Rated 4 out of 5
OptiSearch
1,463 users
NoFollow
Outlines nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
Rated 4.1 out of 5
Igor Jerosimić
1,457 users
JSON-handle
A JSON text formater tool .
Rated 4.1 out of 5
stonepurple
1,456 users
IndicateTLS
Displays negotiated SSL/TLS protocol version and additional security information in the address bar
Rated 4.8 out of 5
Jannis Pinter
1,452 users
Infy Scroll - A Next Page AutoPager
Add customized infinite scrolling to websites and auto load the next page. Supports the AutoPagerize and InfyScroll Databases.
Rated 4.6 out of 5
Sixcious
1,450 users
HackBar
A browser extension for Penetration Testing
Rated 4 out of 5
0140454
1,447 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.
Rated 2.5 out of 5
mmoroca
1,443 users
Twitter
Download the images and videos.
Rated 3.3 out of 5
Lim Xiu Quan
1,419 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).
Rated 4.3 out of 5
David Pacassi Torrico
1,409 users
WebCast-Reloaded
Detect multimedia URLs in each tab.
Rated 3.7 out of 5
Warren Bank
1,408 users
Dimensions
A tool for designers to measure screen dimensions
Rated 4.5 out of 5
Felix Niklas
1,399 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.
Rated 4.6 out of 5
Eric Busch
1,399 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.
Rated 3.4 out of 5
Siteimprove
1,396 users
Grids & Rulers
Create rulers and grids overlays to help develop your web applications
Rated 4 out of 5
Jeremie Patonnier
1,394 users
Page Hacker
Edit in Firefox the page displayed in any tab, with formatting tools.
Rated 4.4 out of 5
nico@nc
1,375 users
Alpine.js devtools
DevTools extension for debugging Alpine.js applications.
Rated 4.7 out of 5
Hugo
1,366 users