MP4 vs WebM vs AVI vs MOV: Video Format Guide
Compare video formats MP4, WebM, AVI, MOV, and MKV. Learn which format to use and how to convert between them.
MP4 (H.264) is the universal standard — plays everywhere. WebM (VP9) is optimized for web with better compression. AVI is legacy Windows format. MOV is Apple's QuickTime format. MKV is a flexible container for high-quality video.
ConvertAll converts between all major video formats using FFmpeg. Choose MP4 for maximum compatibility, WebM for web embedding, MOV for Apple ecosystem.
Video conversion is CPU-intensive. Larger files take longer. ConvertAll supports files up to 500 MB.
Frequently Asked Questions
WebM VP9 and H.265 MP4 offer the best compression. WebM is ideal for web; MP4 H.264 balances size and compatibility.