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M4A File Format

MPEG-4 Audio category

M4A is Apple’s audio container (AAC), the default for iTunes, Voice Memos and iPhone recordings.

Typical use: M4A sounds better than MP3 at the same bitrate, and Apple users never have compatibility worries.

About the M4A format

M4A is MPEG-4 audio: AAC (or ALAC) inside the MP4 container, minus the video. It became the iTunes Store's format in 2003 and never left — Apple Music downloads, voice memos and most phone recordings are M4A. At the same bitrate, AAC sounds distinctly better than MP3, which is why 128 kbps M4A competes with 192 kbps MP3.

Support is excellent across Apple devices, modern Android, Windows and every streaming SDK. The one historical caveat: iTunes Store music bought before 2009 carried FairPlay DRM; everything since (and everything you record yourself) is DRM-free.

Strengths

  • ✓ Better quality than MP3 at the same bitrate
  • ✓ First-class on Apple and modern platforms
  • ✓ ALAC variant covers lossless needs

Limitations

  • ✗ Very old feature phones and players miss it
  • ✗ Pre-2009 store purchases may carry DRM
Compression
Lossy AAC (ALAC for lossless)
Quality
Strong at 128–256 kbps
Compatibility
Apple-first, modern platforms
Best for
Music libraries and voice memos

Convert M4A to…

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

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

Cross-engine workflows

M4A to 7Z M4A to APK M4A to JAR M4A to MKV M4A to MOV M4A to MP4 M4A to PNG M4A to PNG24 M4A to PNG8 M4A to TAR M4A to TAR.BZ2 M4A to TAR.GZ M4A to TAR.XZ M4A to TBZ2 M4A to TGZ M4A to TXZ M4A to WIM M4A to ZIP

Convert other files to M4A…

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

Cross-engine workflows

3G2 to M4A 3GP to M4A ASF to M4A AVI to M4A DivX to M4A DV to M4A F4V to M4A FLV to M4A H.264 to M4A M1V to M4A M2TS to M4A M2V to M4A M4V to M4A MJPEG to M4A MKV to M4A MOV to M4A MP4 to M4A MPEG to M4A MPEG1 to M4A MPEG2 to M4A MPEG4 to M4A MPG to M4A MTS to M4A MXF to M4A OGV to M4A RM to M4A RMVB to M4A TS to M4A VOB to M4A WEBM to M4A WMV to M4A WTV to M4A Xvid to M4A Y4M to M4A

Frequently asked questions

What is a M4A file?

M4A is Apple’s audio container (AAC), the default for iTunes, Voice Memos and iPhone recordings.

How do I convert M4A files online?

Pick a target format from the "Convert M4A 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 M4A 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 M4A convert to?

This page lists all 43 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.