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Convert AU to WebM
Convert AU to WebM format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
AU
Sun/NeXT AudioSimple audio format from Sun Microsystems. Originally used in Unix systems and Java audio. Typically stores µ-law compressed audio.
Best for
Unix/Java audioLegacy systemsSimple audio storage
Advantages
- + Simple format
- + Java support
- + Compact for telephony
Limitations
- − Outdated
- − Low quality
- − Limited use
Target
WebM
Web MediaOpen-source video format by Google using VP8/VP9 video and Vorbis/Opus audio. Optimized for web delivery and HTML5 video.
Best for
Web videoHTML5 videoOpen-source projectsWebRTC
Advantages
- + Royalty-free
- + Good VP9 compression
- + Web-optimized
- + Opus audio
Limitations
- − Limited device support
- − Slower VP9 encoding
- − No older iOS support