13,070 extensions found in Web Development

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RusVPN - Free VPN
RusVPN - Free VPN Proxy service
Rated 4.1 out of 5
Iron Media
2,497 users
YouTube Background Play
Keep YouTube videos playing when you switch tabs or minimize your browser. Perfect for listening to music or podcasts in the background.
Rated 5 out of 5
Felipe
2,494 users
Wizdler
Parses the WSDL files and generates SOAP messages for you.
Rated 4.3 out of 5
Peter Prikryl
2,451 users
WebCast-Reloaded
Detect multimedia URLs in each tab.
Rated 2.3 out of 5
Warren Bank
2,424 users
GP
GP Extension
Rated 4 out of 5
Thirdy
2,421 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
2,418 users
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
Rated 4.4 out of 5
Simple Inc.
2,415 users
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
Rated 4.4 out of 5
curtispf
2,402 users
PoE Overlay: Dash
Share your current session on pathofexile.com with PoE Overlay
Rated 5 out of 5
Kyusung4698
2,360 users
VisBug
Open source browser design tools
Rated 5 out of 5
argyleink
2,300 users
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.
Rated 3.7 out of 5
stefano
2,293 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
2,287 users
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
Rated 4.5 out of 5
The Shift Project
2,266 users
GeoSpoof: Spoof Geolocation & Timezone
Spoof geolocation, fake your GPS location and timezone — change your location to any city or sync it to your VPN. No account.
Rated 4.5 out of 5
anthony
2,260 users
CRX Installer
Install Chrome extension to Zen/Firefox nightly/Librewolf
Rated 4.7 out of 5
FoxRefire
2,253 users
{find+}
A find-in-page extension with support for regular expressions.
Rated 4.1 out of 5
Brandon Richardson
2,251 users
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
Rated 5 out of 5
IBM Accessibility
2,219 users
FirePHP
Log from PHP to a devtools panel.
Rated 4.6 out of 5
cadorn
2,218 users
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Rated 3.9 out of 5
Joue
2,217 users
LightSession Pro for ChatGPT
Fix slow, laggy ChatGPT tabs in Firefox. Local-only extension that speeds up long conversations by trimming old messages from the page (no data leaves your browser).
Rated 4.2 out of 5
Emil K
2,192 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
2,177 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
2,167 users
Run JavaScript
Script injector for JavaScript and CSS!
Rated 5 out of 5
datttyt
2,163 users
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
Rated 4.4 out of 5
CatBraaain
2,160 users
ASBPlayer: Learn with Subs
Language learning subtitle player for streaming platforms like Netflix, YouTube, and more.
Rated 4.3 out of 5
MirSolUu
2,151 users