handbrake

HandBrake is a video transcoder. It takes a video file you provide and converts it into a different digital format. This is useful for making a video file smaller, compatible with a specific device like a phone or tablet, or simply changing its format to something more modern and efficient. It supports converting from a huge range of input formats.

The tool is completely free and open-source, meaning its code is publicly available and it's developed by a community of volunteers. It's not a web app; you download and install it directly on your computer. A key feature is its broad compatibility: it works on Windows, macOS, and Linux, so almost anyone can use it regardless of their operating system.

HandBrake is perfect for anyone who needs to manage their video library. If you have a collection of old video files you want to preserve in a modern format, need to shrink a large movie file to save space, or want to prepare a video for playback on a specific device, this tool handles it. It's a straightforward, no-cost solution for a very common digital task.