11,969 extensions found in Web Development

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ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
Rated 4.3 out of 5
curtispf
2,617 users
SN Utils
ServiceNow Productivity tools. by SN Utils B.V.
Rated 4.9 out of 5
Arnoud Kooi
2,612 users
PoE Overlay: Dash
Share your current session on pathofexile.com with PoE Overlay
Rated 5 out of 5
Kyusung4698
2,598 users
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.
Rated 4.6 out of 5
Jonathan Kingston
2,538 users
HTTP request maker
Displays a sidebar that lets you to forge HTTP requests. Press Ctrl+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.
Rated 3.6 out of 5
stefano
2,515 users
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Rated 4 out of 5
Joue
2,481 users
RusVPN - Free VPN
RusVPN - Free VPN Proxy service
Rated 4.1 out of 5
Iron Media
2,476 users
Gaugr for Claude AI (Usage Tracker)
Enhance your Claude AI experience with Super Claude - usages, notifications, and more!
Rated 4.3 out of 5
Pilote Code
2,456 users
Wizdler
Parses the WSDL files and generates SOAP messages for you.
Rated 4.3 out of 5
Peter Prikryl
2,445 users
FirePHP
Log from PHP to a devtools panel.
Rated 4.6 out of 5
cadorn
2,437 users
WebCast-Reloaded
Detect multimedia URLs in each tab.
Rated 2.3 out of 5
Warren Bank
2,414 users
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
Rated 5 out of 5
IBM Accessibility
2,381 users
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
Rated 4.6 out of 5
webhint
2,346 users
{find+}
A find-in-page extension with support for regular expressions.
Rated 4.1 out of 5
Brandon Richardson
2,340 users
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.
Rated 4.6 out of 5
Dr. McKay
2,334 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
Rated 4.6 out of 5
Mojtaba Daneshi
2,313 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
2,304 users
PoE Overlay Sync
Sync your Path of Exile session with PoE Overlay
Rated 5 out of 5
Kyusung4698
2,299 users
VisBug
Open source browser design tools
Rated 5 out of 5
argyleink
2,295 users
HackBar
A browser extension for Penetration Testing
Rated 4.5 out of 5
0140454
2,207 users
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
Rated 4.1 out of 5
emano waldeck
2,196 users
ReCaptcha Solver
Verify Google ReCaptcha V2 automatically with :2Captcha, DeathByCaptcha, ImageTyperz, RuCaptcha, Anti-Captcha, BestCaptchaSolver and EndCaptcha Without API or TOKEN key it won't work!!
Rated 3.4 out of 5
DoZz
2,186 users
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
Rated 4.4 out of 5
Simple Inc.
2,183 users
Grepper
The Query & Answer System for the Coder Community
Rated 4.5 out of 5
codegrepper.com
2,174 users
Squarespace ID Finder
Find the ids of collections, sections, and blocks on your Squarespace page. Works with both 7.0 and 7.1.
Rated 4.3 out of 5
Heather Tovey
2,169 users