All Tools
[ audio bench ]
OGA to ALAC (M4A) - Online Audio Converter
Convert OGA to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert OGA to ALAC (M4A)
Drop OGA audio here or click to select
OGA, OGG
ALAC (M4A) (ALAC)
About OGA to ALAC (M4A)
Convert OGA to ALAC (M4A). OGA is the Ogg audio-only extension for Vorbis, Opus, and FLAC. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert OGA to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
OGA vs ALAC (M4A)
| Codec | OGA | ALAC |
|---|---|---|
| Compression | lossy | lossless |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | OGA is the Ogg audio-only extension for Vorbis, Opus, and FLAC. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert OGA to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending OGA files.
- Keep a master copy: repeated exports stack small losses, so archive OGA before batch ALAC (M4A) shares.
Limits
Starting point: OGA - OGA is the Ogg audio-only extension for Vorbis, Opus, and FLAC. Codec inside varies, so confirm it before picking settings. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) from OGA at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
Related conversions
FAQ
How do I convert OGA to ALAC (M4A)?
Drop your OGA file onto this page, choose quality and codec settings, then click Convert. The result downloads as ALAC (M4A) instantly. All processing runs in your browser.
What codec is used for ALAC (M4A)?
The default codec for ALAC (M4A) is ALAC. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.