Iridium by ParticleCore - Iridium is an extension built to improve the user experience on the new YouTube Material layout.
Any Video Converter - Any Video Converter is an All-in-One video converting tool with easy-to-use graphical interface, fast converting speed and excellent video quality. It allows you to effortlessly convert video files between every format!
ImprovedTube - Allows you to improve and enhance Youtube visually or enable dozens of new features permanently or...
HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
EaseFab Video Converter - EaseFab Video Converter is one of the quality-orientated high-speed converters for any video in the required format.