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AC3 Compressor
Reduce AC3 file size by re-encoding at a lower bitrate — entirely in your browser.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About AC3
AC3
Dolby Digital (AC-3)Multi-channel audio codec by Dolby. Standard surround sound format used in DVDs, Blu-rays, and digital television.
Best for
Surround soundDVD/Blu-ray audioHome theaterBroadcasting
Advantages
- + 5.1 surround
- + Industry standard
- + Good compression
Limitations
- − Lossy
- − Licensing costs
- − Surpassed by newer codecs