6,631 extensions found in Web Development

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Assinatura Digital no Navegador
Realize Assinaturas Digitais no navegador.
Rated 3.7 out of 5
BRy Tecnologia
16,457 users
Yandex Search
Adds Yandex for search engines
Rated 4.1 out of 5
KDev
16,089 users
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)
Rated 4.8 out of 5
MyIpHider.com
15,881 users
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
Rated 3.4 out of 5
tohodo.com
15,541 users
Text Link
Allows URI texts written in webpages to be loaded by double clicks.
Rated 4.2 out of 5
Piro (piro_or)
15,306 users
RESTED
A REST client for the rest of us
Rated 4.4 out of 5
Eline H
14,794 users
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
Rated 4.1 out of 5
tlintspr
13,567 users
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
Rated 4.5 out of 5
Lauri Rooden
13,148 users
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)
Rated 4.3 out of 5
chee
13,136 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
Rated 4.5 out of 5
Dennis Schubert
12,751 users
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
Rated 3.1 out of 5
Muyor
12,635 users
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.
Rated 4.4 out of 5
Hussein
12,609 users
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Rated 4 out of 5
Milen
12,295 users
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
Rated 3.9 out of 5
Jan Riechers
12,243 users
Empty Cache Button
Cache clearing made easy. One click.
Rated 4.5 out of 5
mvm
11,944 users
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
Rated 4.7 out of 5
泷涯
11,943 users
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Rated 4.5 out of 5
webdev7
11,859 users
Fonts Ninja
Speed up your design workflow!
Rated 4.7 out of 5
Fonts Ninja
11,644 users
Export Cookies
Export cookies to a Netscape format cookies.txt file.
Rated 4.2 out of 5
Rotem Dan
11,351 users
RESTer
A REST client for almost any web service.
Rated 4.8 out of 5
Jan
11,188 users
Mobile emulator
Smartphone emulator on computer very realistic with several models to test mobile websites.
Rated 3.9 out of 5
François
11,183 users
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
Rated 4.6 out of 5
Richard West
10,909 users
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
Rated 4.7 out of 5
王一之
10,451 users
Angular DevTools
Angular DevTools extends Firefox DevTools adding Angular specific debugging and profiling capabilities.
Rated 3.7 out of 5
Angular
10,218 users
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
Rated 4.4 out of 5
Francesco De Stefano
9,693 users