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Download subtitle (Closed Caption) from YouTube.

Control the speed of video playback.

Rajiko is a tool for unblocking geolocation restriction of radiko.jp! Enjoy radio of Tokyo，Aomori,and etc From Osaka,Nagazaki even overseas!

A powerful media player built on top of the video.js project with HTTP Live Streaming (HSL), speed control, and playlist support

Take a screenshot from the entire website with just one click.

Free MP3 Downloader - Search and download MP3 songs.

Use right-click menu to download YouTube Videos without any appearance changes on your webpages. Works on YouTube video links on any pages.

Get live translations for YouTube and Twitch streams, crowdsourced from multilingual viewers!

Save images from open tabs. Default action saves largest image in active tab, with options to act on tabs to the left or right of the active tab.

Easily set the layout (size & position) of your browser window

Video Hunter – download videos from the Internet.

SoundCloud Download Helper. Adds ARTWORK, ARTIST, GENRE, TRACKNAME !! FIXED!! 04.12.2019

Download an mp3 audio file from any YouTube video with just one click!

Finds larger/original versions of images (supporting 9400+ websites), including a powerful image popup feature

Easily adjust various sound settings (volume, balance, etc.) via toolbar popup.

The YouTube Mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a Mp3 with just one click. Compatible with new Firefox Quantum 57

Increase the volume of the YouTube™ player twice, resembling the VLC player

Watch YouTube in the full-HD quality or the highest available one

Draw shapes, lines, and add text to live web pages and take screenshot.

Open-Source Color Picker for Websites and Desktop Apps. With ColorFish you can get a color reading from any point in your browser and desktop. ColorFish is the only eyedropper browser extension with desktop color selection support.