Go beyond iTunes and avoid wasting hours converting or transcoding files. Infuse's powerful, super-efficient playback engine supports just about every video file ever created including: MKV, MP4, AVI, ISO, DVD, BDMV, and many, many others.

Subler is an macOS application created to mux and tag mp4 files.

WPO Stats: A collection of case studies and experiments demonstrating the impact of web performance.