Developer Tools
5,633 totalBrowse all extensions in Developer Tools. Filter by popularity, version support and language.
Tampermonkey BETA
Change the web at will with userscripts
- Version
- 5.6.6239
- Size
- 1.66 MiB
- Downloads
- 4,758
Vue.js devtools
DevTools browser extension for Vue.js
- Version
- 7.7.7
- Size
- 5.10 MiB
- Downloads
- 4,635
Take Webpage Screenshots Entirely - FireShot
Take FULL webpage screenshots. Capture, edit and save them to PDF/JPEG/GIF/PNG, upload, print, send to OneNote, clipboard or email.
- Version
- 2.1.4.18
- Size
- 12.00 MiB
- Downloads
- 4,379
Talend API Tester - Free Edition
Visually interact with REST, SOAP and HTTP APIs.
- Version
- 25.17.0
- Size
- 5.06 MiB
- Downloads
- 3,661
Proxy SwitchyOmega 3 (ZeroOmega)
Manage and switch between multiple proxies quickly & easily.
- Version
- 3.5.2
- Size
- 1.60 MiB
- Downloads
- 3,196
Vue.js devtools
Browser DevTools extension for debugging Vue.js applications.
- Version
- 6.6.4
- Size
- 2.08 MiB
- Downloads
- 2,965
ModHeader - Modify HTTP headers
Modify HTTP request headers, response headers, and redirect URLs
- Version
- 7.0.12
- Size
- 674.08 KiB
- Downloads
- 1,969
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
- Version
- 1.13.0
- Size
- 291.13 KiB
- Downloads
- 1,664
React Developer Tools
Adds React debugging tools to the Chrome Developer Tools. Created from revision 1d34f91dfd.
- Version
- 8.0.0
- Size
- 656.37 KiB
- Downloads
- 1,636
FeHelper - JSON格式化、编解码、二维码、开发者工具箱
30+开发者工具集：JSON格式化/BigInt精度/对比、编解码(Base64/URL/Unicode/Gzip/JWT)、时间戳/FILETIME转换、二维码/条形码、UUID/雪花ID生成、代码美化、正则、取色、Postman、进制转换等，按需安装！
- Version
- 2026.8.18
- Size
- 2.50 MiB
- Downloads
- 1,578
GoFullPage - Full Page Screen Capture
Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions!
- Version
- 8.9
- Size
- 870.78 KiB
- Downloads
- 1,422
Stylus
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
- Version
- 2.4.14
- Size
- 1.18 MiB
- Downloads
- 1,120
Header Editor Lite
Manage browser requests
- Version
- 5.4.1
- Size
- 790.50 KiB
- Downloads
- 1,093
Automa
From auto-fill forms, doing a repetitive task, taking a screenshot, to scraping data of the website, it's up to you what you want…
- Version
- 1.30.02
- Size
- 2.57 MiB
- Downloads
- 1,087
HackBar
A browser extension for Penetration Testing
- Version
- 1.2.8
- Size
- 1.72 MiB
- Downloads
- 1,074
Proxy SwitchyOmega
轻松快捷地管理和切换多个代理设置。
- Version
- 2.5.21
- Size
- 942.67 KiB
- Downloads
- 1,038
Wappalyzer - Technology profiler
Identify web technologies
- Version
- 6.12.7
- Size
- 33.26 MiB
- Downloads
- 1,004
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
- Version
- 0.7.1
- Size
- 822.35 KiB
- Downloads
- 826
ntko office文档控件浏览器插件
在浏览器上能够使用ntko office文档控件
- Version
- 1.8.7
- Size
- 21.50 KiB
- Downloads
- 780
JSON-handle
It's a browser and editor for JSON document.You can get a beautiful view. And transcoding Unicode Base64 URL with decode & encode.
- Version
- 0.7.2
- Size
- 209.88 KiB
- Downloads
- 719
User-Agent Switcher for Chrome
Spoofs & Mimics User-Agent strings.
- Version
- 2.0.2
- Size
- 141.47 KiB
- Downloads
- 707
Tampermonkey Editors
Online editor support for Tampermonkey's userscripts
- Version
- 1.0.7
- Size
- 162.40 KiB
- Downloads
- 672
Web Scraper
Scrape website in seconds with our web scraper tool.Easy-to-use,fast,and free interface for hassle-free scraping
- Version
- 0.2.4
- Size
- 84.81 KiB
- Downloads
- 668
Axure RP Extension for Chrome
An extension that allows viewing of locally published Axure RP prototypes (HTML files) from Google Chrome.
- Version
- 0.7.0
- Size
- 15.87 KiB
- Downloads
- 655
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