Twitch Username and User ID
Fetch user id of a Twitch username or the username of a Twitch user id. The Firefox port of https://chrome.google.com/webstore/detail/twitch-username-and-user/laonpoebfalkjijglbjbnkfndibbcoon
100 users
Visily - Screenshot Capture & Design
Easily capture app and website screenshots and turn them into fully editable wireframes in Visily.
100 users
SP REST JSON
SP REST JSON modifies the accept property in the request header for SharePoint REST API calls to get the response in JSON format and to show it directly in Firefox instead of downloading a XML file. Works for on-premises and SharePoint online.
99 users
Metaview
Quickly view social meta tags for a page, and preview how your page will look when embedded on social media.
99 users
Color Picker - Modern & Sleek
Color Picker - Modern & Sleek lets you identify and copy colors from any webpage. View all colors used, select and copy them in HEX or RGB format with a sleek, user-friendly interface. Ideal for designers and developers needing accurate color codes.
99 users
CRM Email Sync - HubSpot Gmail Addon 100% FREE
Log and track Gmail emails in HubSpot — for Firefox 100% FREE
98 users
URL Decrement Button
A 1-Click URL Decrement Button for your toolbar. Works with or without URL Incrementer.
98 users
Github Whitespace Disabler
Force Github to open diff pages without whitespace changes displayed. Inspired by: https://github.com/kemo/github-whitespace-disabler
98 users
Youtube Overlay Remover
Toggle for hiding the youtube.com's HTML5 player overlay, that blocks vision at the top and bottom of the video when moving the mouse or pausing, in and out of full screen. Use Shift+Alt+X as default shortcut, or change it in the Extensions Manager.
98 users
PlePer Tools - Open Google Maps from SERP KG
PlePer Tools - Open Google Maps from SERP Knowledge Graph
98 users
New Tab Suspender v2
A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of firefox, uses a firefox native discard api
97 users
CSP Tester
This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.
97 users
