Handbrake is a popular video transcoding program that can effectively reduce the file size of videos without significant loss of quality. It supports various video formats and provides the option to adjust parameters such as resolution, bit rate, and compression settings.

By processing a large video file through Handbrake, users can create a smaller file suitable for quicker uploads. However, it is important to note that the processing speed of Handbrake is dependent on the computer's performance. Slower computers may take longer to complete the transcoding process.

Handbrake is a free and open-source software available for Windows, macOS, and Linux operating systems.