Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.796 корисници
RESTED
A REST client for the rest of us
14.727 корисници
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
14.454 корисници
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
13.807 корисници
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.707 корисници
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 корисници
Empty Cache Button
Cache clearing made easy. One click.
12.605 корисници
Flag Cookies
A cookie, and browser storage manager with cow powers!
12.392 корисници
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
12.333 корисници
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 корисници
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
12.092 корисници
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
11.601 корисник
Поиск Яндекс
Добавляет Яндекс к поисковым движкам.
11.532 корисници
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 корисници
RESTer
A REST client for almost any web service.
10.446 корисници
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.432 корисници
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 корисници
Fonts Ninja
Speed up your design workflow!
10.319 корисници
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10.263 корисници
daily.dev | The homepage developers deserve
Get one personalized feed for all the knowledge you need as a developer.
9.917 корисници
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
9.892 корисници
HTTP Header Live
Displays the HTTP header. Edit it and send it.
9.867 корисници
Simulateur mobile
Simulateur de smartphone sur ordinateur très réaliste avec plusieurs modèles disponibles pour tester son site mobile.
9.126 корисници
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 корисници
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 корисници