Handbrake - video converter extension enables users to utilize the Handbrake software for converting videos from various formats to modern, widely supported codecs. Leveraging tools like FFmpeg, x264, and x265, Handbrake can create new MP4 or MKV video files from diverse sources, including those from consumer and professional video cameras.

With support for numerous pre-set formats such as Android, Apple, Playstation, Vimeo, and YouTube, among others, this extension empowers users to transform videos up to 4K resolution with customizable aspect ratios. Additionally, it offers features like subtitle integration, diverse output codecs support, batch encoding, and a file manager for seamless video management.