Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15,796 个用户
RESTED
A REST client for the rest of us
14,727 个用户
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
14,454 个用户
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
13,807 个用户
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13,707 个用户
javascript
add javascript that will run on this domain. back up your scripts in the options area (shortcut there by clicking the "JS" letters in the bottom right)
12,738 个用户
Empty Cache Button
Cache clearing made easy. One click.
12,605 个用户
Flag Cookies
A cookie, and browser storage manager with cow powers!
12,392 个用户
Header Editor
管理浏览器请求,包括修改请求头和响应头、重定向请求、取消请求
12,333 个用户
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
12,296 个用户
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
12,092 个用户
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
11,601 个用户
Поиск Яндекс
Добавляет Яндекс к поисковым движкам.
11,532 个用户
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
11,517 个用户
RESTer
A REST client for almost any web service.
10,446 个用户
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10,432 个用户
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
10,365 个用户
Fonts Ninja
Speed up your design workflow!
10,319 个用户
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10,263 个用户
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
9,917 个用户
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
9,892 个用户
HTTP Header Live
Displays the HTTP header. Edit it and send it.
9,867 个用户
Simulateur mobile
Simulateur de smartphone sur ordinateur très réaliste avec plusieurs modèles disponibles pour tester son site mobile.
9,126 个用户
HackBar V2
[No License, FOREVER FREE] A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. You can ask request here: https://github.com/Hack-Free/HackBar
8,898 个用户
Emoji Keyboard - Emojis For Firefox
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
8,813 个用户