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CAF File Format

Core Audio Format category

CAF is Apple's Core Audio container — Logic Pro projects and macOS system sounds live in it, with support for huge files and any codec.

Typical use: Convert CAF files to WAV or MP3 for use outside the Apple ecosystem.

About the CAF format

CAF (Core Audio Format) is Apple's container for pro audio: 64-bit file offsets for recordings of any length, any codec as payload (PCM, ALAC, AAC), and time-stamped MIDI-style event chunks. Logic Pro exports it and macOS system sounds ship in it.

ffmpeg decodes the common PCM/ALAC payload variants, converting CAF to WAV or MP3 for use in any non-Apple DAW, player or web player.

Strengths

  • ✓ 64-bit offsets — no size ceilings
  • ✓ Native to Logic Pro pipelines
  • ✓ Flexible codec payload

Limitations

  • ✗ Apple-centric — rare outside macOS
  • ✗ Some CAF variants (UUID chunks) unsupported
  • ✗ Tag metadata Apple-specific
Structure
caff header + chunk table
Types / schema
PCM/ALAC/AAC in CAF
Compatibility
afconvert, Logic Pro, ffmpeg
Best for
Apple pro-audio workflows

Convert CAF to…

26 direct directions plus 18 workflows, sorted A–Z; 🔥 marks popular targets.

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

Cross-engine workflows

CAF to 7Z CAF to APK CAF to JAR CAF to MKV CAF to MOV CAF to MP4 CAF to PNG CAF to PNG24 CAF to PNG8 CAF to TAR CAF to TAR.BZ2 CAF to TAR.GZ CAF to TAR.XZ CAF to TBZ2 CAF to TGZ CAF to TXZ CAF to WIM CAF to ZIP

Convert other files to CAF…

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

Cross-engine workflows

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

Frequently asked questions

What is a CAF file?

CAF is Apple's Core Audio container — Logic Pro projects and macOS system sounds live in it, with support for huge files and any codec.

How do I convert CAF files online?

Pick a target format from the "Convert CAF 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 CAF 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 CAF convert to?

This page lists all 44 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.