Overview

Video File Formats

Video file formats are standards for storing digital video and audio in containers. Various formats such as MP4, AVI, MKV, MOV, and WebM each have distinct characteristics in compression, compatibility, and functionality. Choosing the optimal format for your use case allows you to balance video quality, file size, and playback environment.

video file format MP4 MKV AVI MOV WebM codec container
code slug name description bestFor compatibility developer extension license releaseYear supportedCodecs
1 mp4 MP4 The most widely used video file format. ["YouTube uploads","Social media","Mobile playback","Streaming"] Excellent MPEG (Moving Picture Experts Group) .mp4 Patent-encumbered 2001 ["H.264","H.265/HEVC","AV1","MPEG-4"]
2 avi AVI A legacy video file format developed by Microsoft. ["Legacy compatibility","Uncompressed video","Windows environments"] Good (Windows) Microsoft .avi Proprietary 1992 ["DivX","Xvid","H.264","H.265","MPEG-4"]
3 mkv MKV An open-source, high-functionality video container format. ["Media archiving","Multi-language content","Blu-ray backup","Anime storage"] Good (PC-focused) Matroska/CoreCodec .mkv Open-source 2002 ["H.264","H.265","VP8","VP9","AV1","DivX","Xvid"]
4 mov MOV A professional video format developed by Apple. ["Professional editing","Mac workflows","High-quality preservation","Post-production"] Best on Apple devices Apple .mov Proprietary 1991 ["Apple ProRes","H.264","H.265","MPEG-4"]
5 webm WebM An open-source video format optimized for the web. ["Web embedding","HTML5 video","Streaming","Bandwidth-limited scenarios"] Modern browsers only Google .webm Royalty-free 2010 ["VP8","VP9","AV1","Vorbis","Opus"]

Major file formats for storing and playing digital video.