MP3 Encoder Help Guides and reference for converting audio files to MP3 on macOS
Help topics Supported File Extensions

Supported Input File Extensions

The complete list of source file extensions MP3 Encoder accepts, grouped by codec family. Output is always MP3.

MP3 Encoder filters added files by extension. If you try to add a file whose extension isn't in this list, it will be ignored. Extension matching is case-insensitive.

MP3

  • .mp3

FLAC

  • .flac

Monkey's Audio

  • .ape

Musepack

  • .mpc

WavPack

  • .wv

True Audio

  • .tta

DSD

  • .dff
  • .dsf

Ogg (Vorbis, FLAC, Speex, Opus)

  • .ogg
  • .oga
  • .oggflac
  • .spx
  • .opus

Windows Media

  • .wma
  • .wmv
  • .asf

Video / Audio Containers

  • .mov
  • .avi
  • .mpg
  • .mpeg
  • .ra
  • .rm
  • .rmf
  • .rmj

Core Audio (AIFF, WAV, AAC, ALAC, CAF, 3GP…)

  • .aif
  • .aiff
  • .aifc
  • .wav
  • .wave
  • .m4a
  • .m4b
  • .m4r
  • .mp4
  • .mp2
  • .aac
  • .aacp
  • .sd2
  • .3ga
  • .3gp
  • .3gpp
  • .3gs
  • .3g2
  • .caf
  • .snd
  • .au
  • .amr
  • .sdir

Tracker Modules

  • .mod
  • .s3m
  • .xm
  • .it
  • .669
  • .amf
  • .ams
  • .dbm
  • .dmf
  • .dsm
  • .far
  • .mdl
  • .med
  • .mtm
  • .okt
  • .ptm
  • .stm
  • .ult
  • .umx
  • .mt2
  • .psm
  • .abc