Extensions by Name
Create MDN API Reference Skeletons by visiting raw WebIDL files (e.g. at https://mxr.mozilla.org/mozilla-central/source/dom/webidl/ or https://gist.github.com/search?l=webidl&q=.webidl)
A helpful add-on for MDN contributors which instantly scrolls to and focuses the revision comment edit box so you can comment and save your changes quickly and conveniently.
MDWS Process Server Toolbar Requires Restart
This is the next generation of service.
me Requires Restart
Login to application Kik Messenger for PC & Mac Online, Kik Desktop Online.
a basic add-on
Ahora también podés decir todo lo que te hincha en Facebook!
Descargá tu botón ME HINCHA para utilizar en Facebook y contale a todos tus amigos que te hincha.
Únicamente disponible para Mozilla Firefox.
MeasureIt Requires Restart
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Measurer allows to measure dimensions of the objects on html page. Press down shift for multiple measurements.
Display map pnel grid lines and resource field values (on empty ground only!)
A tool to quickly look up information about Medabots.
Media Converter Requires Restart
Download and convert online videos directly from your browser without the need for special software.
This is a video downloader and video converter in one simple extension.
Media Converter and Muxer is an easy to use video and audio converter and muxer.
Easy to use video and audio converter and muxer written in WebExtension built on top of the well-known FFmpeg converter
Add support for global media keys
Lets you control various media sites using the media keys on your keyboard without having the Firefox window active.
Supported Sites: youtube, pandora, spotify, bandcamp, google play, yandex, soundcloud, tidalhifi, deezer, plex, vk and more.
Menu item to control audio/video loop.
simply media popup and loop
Media Player is an open-source project that aims to enhance the overall user experience by providing the end user with more control in what the playback process is concerned.
Refresh video and audio.
2 options: -Context menu
-Hold control, or another key of choice, and seek video/audio to reset its buffer.
Mac users should probably rebind the key in the preferences.