Not sure which video format to choose when downloading? This guide explains every common format in plain English so you can always pick the right one for your device and use case.
The most universally compatible video format. Works on every device — Windows, Mac, iPhone, Android, Smart TV, and every media player. MP4 combines video (usually H.264 codec) and audio in a single file.
Use for everything. If you are unsure, pick MP4.
Medium (varies with quality)
Open-source format developed by Google. Produces smaller files than MP4 at similar quality. Best for watching in Chrome or Firefox on desktop. Less compatible with older devices and media players.
Use when you want a smaller file size and will watch in a browser.
Small–Medium
A flexible container that can hold multiple video, audio, and subtitle tracks. Popular for high-quality movie backups. Requires VLC or a compatible player — does not work in Windows Media Player by default.
Use for high-quality archiving when you have VLC installed.
Large
Apple's native video format. Excellent quality on Mac and iPhone. Less compatible on Windows without QuickTime. Similar to MP4 but optimized for Apple's ecosystem.
Use on Mac or iPhone where best compatibility is needed.
Medium–Large
An older Microsoft format from the 1990s. Very large file sizes with no real quality advantage over MP4. Largely obsolete. Only use if a specific older device or software requires it.
Avoid unless a specific old device requires it.
Very Large
Bottom line: For 99% of use cases, download in MP4. It plays everywhere without any extra software. Only switch to WebM or MKV if you have a specific reason.