14,234 extensions found in Web Development

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AutoComplete Forms for Firefox
Enable AutoComplete for Form elements automatically.
Rated 2.6 out of 5
Baris Derin
379 users
FACEIT Visuals
FACEIT Visuals helps the user for better experience on the platform
Rated 1 out of 5
shadi
379 users
Proxy Switch
Easily toggle between proxy settings.
Rated 4.9 out of 5
Pieterv24
379 users
Sourcegraph for Firefox
Adds code intelligence to GitHub, GitLab, Bitbucket Server, and Phabricator: hovers, definitions, references. Supports 20+ languages.
Rated 5 out of 5
Sourcegraph
379 users
Onion Control (anonymous proxy)
Brings the anonymity of the Tor network and modifies few settings to protect user privacy
Rated 4 out of 5
Andy Portmen
377 users
Lunapic Image Edit
Adds right click image editing link to images.
Rated 4.3 out of 5
lunapic
376 users
Text Editor
A free, highly customizable text and code editor for your browser.
Rated 4 out of 5
Sevina
376 users
Easy Favicon Scraper
Download the favicon of a website with 1 click
Rated 4.8 out of 5
iSheepie
375 users
File Backups
TiddlyWiki html-file saving and backup, using a Tower of Hanoi strategy! Learn more at: https://pmario.github.io/file-backups/ Video: recoreded with V0.2.1 https://youtu.be/KVLtID8nElU which is slightly outdated. But overall info is OK.
Rated 4.6 out of 5
pmario
371 users
Policy Control - JavaScript and Flash blocker
This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.
Rated 3.9 out of 5
Jeremy Schomery
371 users
Font Size Decrease
Increase the font size on the current page with a single click.
Rated 5 out of 5
Stefan vd
370 users
定时刷新页面和触发按钮事件
可自定义时间定时刷新当前页面，也可以自定义按钮ID定时触发该按钮点击事件，类似按键精灵效果
Rated 5 out of 5
疯狂插件
370 users
Cookie Popup Blocker
Automatically blocks cookies and cookie consent popups
Rated 2.3 out of 5
Sumalya Chatterjee
368 users
TwineHacker
Allows you to change font/style; also adds cheats
Rated 3.3 out of 5
biah
365 users
ARIA DevTools
Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.
Rated 5 out of 5
Mateusz Zieliński
363 users
DivMagic
Copy elements from any webpage as reusable web components Copy design from any website Transform elements from any webpage into reusable web component, in CSS or Tailwind CSS. Unleash the power of effortless element conversion with DivMagic
Rated 4.1 out of 5
BL
361 users
Offline Caching
Enable offline caching on any web site or app, allowing for usage even without Internet access.
Rated 4.2 out of 5
octt
358 users
Ace Editor
Ace Editor v1.4 — ACE editor injection with copy/edit helpers.
Rated 4.8 out of 5
rockyou
358 users
Open in Colab
Open a Github-hosted notebook in Google Colab
Rated 4.4 out of 5
Suraj
357 users
OpenSwitchMaps
Switch map services, and some useful links for OpenStreetMap contributors
Rated 4.9 out of 5
tankaru
355 users
Compat Report
Shows a report of browser compatibility issues using data from MDN
Rated 4.6 out of 5
Eduardo Bouças
355 users
FiddlerFox
Allows you to point Firefox to your fiddler instance if it doesn't refresh the proxy settings after Fiddler has started.
Rated 4.9 out of 5
Sebastiaan Dammann
354 users
V2Ray Link Converter
V2Ray Link Converter
Rated 5 out of 5
Valas
354 users
Enable Select Copy +Edit
A toolbar button to enable selection, copy and typing editing web text redirectly in a tab
Rated 4.4 out of 5
GarryW
354 users
RTL for Deepseek
Toggle RTL direction on chat.deepseek.com and change icon based on state.
Rated 5 out of 5
diako hamidian
354 users