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ALAC File Format

Apple Lossless category

ALAC is Apple's lossless codec inside an MP4 container — the iTunes Store lossless tier and every big iOS recording.

Typical use: Convert ALAC to FLAC for non-Apple players, or MP3 for sharing.

About the ALAC format

ALAC (Apple Lossless Audio Codec) is Apple's FLAC equivalent: bit-exact lossless compression inside an MP4 container, opened-source in 2011 and now native on every Apple device and most server-side pipelines. It is what iTunes Store sells as "lossless" and what iPhone recordings encode to by default.

For non-Apple players FLAC is the safer target, and conversion is sample-exact in both directions — the decode is handled by ffmpeg's native ALAC decoder without any Apple runtime.

Strengths

  • ✓ Native on every Apple device
  • ✓ Open source since 2011
  • ✓ Reasonable sizes inside MP4

Limitations

  • ✗ Outside Apple ecosystems FLAC wins
  • ✗ Slightly worse ratios than FLAC
  • ✗ Confusing .m4a extension doubles as lossy
Structure
MP4 (alac sample entry) container
Types / schema
Lossless, 16-32-bit
Compatibility
iOS, macOS, iTunes, ffmpeg
Best for
Apple-ecosystem lossless libraries

Convert ALAC to…

26 direct directions plus 21 workflows, sorted A–Z; 🔥 marks popular targets.

ALAC を AAC に変換 Hot ALAC を AC3 に変換 ALAC を AIF に変換 ALAC を AIFF に変換 ALAC を AU に変換 ALAC を CAF に変換 ALAC を E-AC3 に変換 ALAC を F4A に変換 ALAC を F4B に変換 ALAC を FLAC に変換 Hot ALAC を GSM に変換 ALAC を M4A に変換 Hot ALAC を M4B に変換 ALAC を M4R に変換 ALAC を MP2 に変換 ALAC を MP3 に変換 Hot ALAC を OGA に変換 ALAC を OGG に変換 Hot ALAC を OPUS に変換 ALAC を PCM に変換 ALAC を TTA に変換 ALAC を VOC に変換 ALAC を W64 に変換 ALAC を WAV に変換 Hot ALAC を WAVPCM に変換 ALAC を WV に変換

Cross-engine workflows

ALAC を 7Z に変換 ALAC を APK に変換 ALAC を BZ2 に変換 ALAC を GZ に変換 ALAC を JAR に変換 ALAC を MKV に変換 ALAC を MOV に変換 ALAC を MP4 に変換 ALAC を PNG に変換 ALAC を PNG24 に変換 ALAC を PNG8 に変換 ALAC を TAR に変換 ALAC を TAR.BZ2 に変換 ALAC を TAR.GZ に変換 ALAC を TAR.XZ に変換 ALAC を TBZ2 に変換 ALAC を TGZ に変換 ALAC を TXZ に変換 ALAC を WIM に変換 ALAC を XZ に変換 ALAC を ZIP に変換

Convert other files to ALAC…

AAC を ALAC に変換 Hot AC3 を ALAC に変換 AIF を ALAC に変換 AIFF を ALAC に変換 AMB を ALAC に変換 AMR を ALAC に変換 APE を ALAC に変換 AU を ALAC に変換 AVR を ALAC に変換 CAF を ALAC に変換 CVS を ALAC に変換 CVU を ALAC に変換 DSS を ALAC に変換 DTS を ALAC に変換 E-AC3 を ALAC に変換 F32 を ALAC に変換 F4A を ALAC に変換 F4B を ALAC に変換 F64 を ALAC に変換 FAP を ALAC に変換 FLAC を ALAC に変換 Hot FSSD を ALAC に変換 GSM を ALAC に変換 GSRT を ALAC に変換 HCOM を ALAC に変換 HTK を ALAC に変換 IRCAM を ALAC に変換 M4A を ALAC に変換 Hot M4B を ALAC に変換 M4R を ALAC に変換 MAUD を ALAC に変換 MOD を ALAC に変換 MP2 を ALAC に変換 MP3 を ALAC に変換 Hot NIST を ALAC に変換 OGA を ALAC に変換 OGG を ALAC に変換 Hot OMA を ALAC に変換 OPUS を ALAC に変換 PAF を ALAC に変換 PVF を ALAC に変換 QCP を ALAC に変換 S16 を ALAC に変換 S24 を ALAC に変換 S32 を ALAC に変換 S3M を ALAC に変換 SD2 を ALAC に変換 SF を ALAC に変換 SHN を ALAC に変換 SMP を ALAC に変換 SNDR を ALAC に変換 SNDT を ALAC に変換 SPX を ALAC に変換 TAK を ALAC に変換 TTA を ALAC に変換 TXW を ALAC に変換 U8 を ALAC に変換 VMS を ALAC に変換 VOC を ALAC に変換 VQF を ALAC に変換 W64 を ALAC に変換 WAV を ALAC に変換 Hot WAVPCM を ALAC に変換 WMA を ALAC に変換 WV を ALAC に変換 WVE を ALAC に変換 XI を ALAC に変換 XM を ALAC に変換

Cross-engine workflows

3G2 を ALAC に変換 3GP を ALAC に変換 ASF を ALAC に変換 AVI を ALAC に変換 DivX を ALAC に変換 DV を ALAC に変換 F4V を ALAC に変換 FLV を ALAC に変換 H.264 を ALAC に変換 M1V を ALAC に変換 M2TS を ALAC に変換 M2V を ALAC に変換 M4V を ALAC に変換 MJPEG を ALAC に変換 MKV を ALAC に変換 MOV を ALAC に変換 MP4 を ALAC に変換 MPEG を ALAC に変換 MPEG1 を ALAC に変換 MPEG2 を ALAC に変換 MPEG4 を ALAC に変換 MPG を ALAC に変換 MTS を ALAC に変換 MXF を ALAC に変換 OGV を ALAC に変換 RM を ALAC に変換 RMVB を ALAC に変換 TS を ALAC に変換 VOB を ALAC に変換 WEBM を ALAC に変換 WMV を ALAC に変換 WTV を ALAC に変換 Xvid を ALAC に変換 Y4M を ALAC に変換

Frequently asked questions

What is a ALAC file?

ALAC is Apple's lossless codec inside an MP4 container — the iTunes Store lossless tier and every big iOS recording.

How do I convert ALAC files online?

Pick a target format from the "Convert ALAC to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.

Is it safe to convert ALAC files here?

Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.

Which formats can ALAC convert to?

This page lists all 47 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.