.IMF File Extension

2 file types use the .imf file extension.

Id Music File

Developer id Software
2.6  |  5 Votes

What is an IMF file?

Id Music File (IMF) created for use in id Software video games; contains data similar to MIDI files in that the files do not contain sampled digital audio, but rather contain musical notes; used to send music data for playback on AdLib sound cards.

More Information

The IMF file format was created by id Software for their video games. Due to low-quality nature of the sound and the proprietary format (AdLib sound cards only), the IMF format is no longer used.

Some programs, such as AdPlug, emulate AdLib sound cards and can play IMF files.

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Programs that open or reference IMF files


Imago Orpheus Module

Developer Lutz Roeder
1.0  |  1 Vote

An IMF file may also be an audio module created by Imago Orpheus, a music tracker for MS-DOS. It contains note patterns and instrument samples used to play a song. IMF files typically contain music created for video games or demos (audiovisual presentations).

More Information

Screenshot of a .imf file in OpenMPT
IMF file open in OpenMPT

Lutz Roeder created and released Imago Orpheus in the 1990s. The program was primarily intended to be used to create video game soundtracks. It was released alongside Imago Wave, a program used to edit audio samples.

Imago Orpheus saved the audio modules (aka songs) users created with it as IMF files. While Imago Orpheus itself has been discontinued (and does not run on modern Windows machines), several modern music trackers can open IMF files.

How to open an IMF file

You can open an IMF file (and play the song it contains) with OpenMPT (Windows), Vitamin/CAIG ZXTune (multiplatform), or Xmp Mod Player (Android).

While you still can also open an IMF file with Imago Orpheus, which is available for download online, doing so isn't easy. To run Imago Orpheus, you'll likely need an MS-DOS emulator, such as DosBox.

How to convert an IMF file

You can use OpenMPT to convert IMF files to the following formats:

  • .S3M - ScreamTracker 3 Module
  • .MID - MIDI File
  • .WAV - WAVE Audio File
  • .FLAC - Free Lossless Audio Codec File
  • .AU - Audacity Audio File
  • .OPUS - Opus Audio File
  • .OGG - Ogg Vorbis Audio File
  • .RAW - Raw Audio Data
  • .MP3 - MP3 Audio File

Programs that open IMF files

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