Convert Video Format Online
Convert between MP4, WebM, AVI, MOV, and MKV
Free video format conversion in your browser
Supported Video Formats
MP4
Most widely supported format. Works on all devices and platforms. Best for general use.
WebM
Open format optimized for web. Excellent compression with VP9 codec. Great for websites.
AVI
Legacy format with wide compatibility. Larger file sizes but good quality.
MOV
Apple's format, commonly used on Mac and iOS. High quality with good compression.
MKV
Flexible container format. Supports multiple audio tracks and subtitles.
Common Conversions
- AVI to MP4: Reduce file size and improve compatibility
- MOV to MP4: Convert Apple videos for universal playback
- MP4 to WebM: Optimize for web with better compression
- MKV to MP4: Convert for device compatibility
- Any to MP4: Most compatible format for all devices
Why Convert Video Formats?
- • Device compatibility: Play videos on any device
- • Reduce file size: Convert to more efficient formats
- • Web optimization: Use WebM for faster streaming
- • Platform requirements: Meet specific format requirements
- • Quality control: Choose encoding quality
Processing Information
- • All conversion happens in your browser (no uploads)
- • First-time use loads conversion tools (~30MB)
- • Processing speed depends on your device
- • Larger files take longer to convert
- • Keep your browser tab open during conversion