Windows
Compatible Applications
File Extension Details
A Standard MIDI File (SMF) is a universal file format designed to store MIDI (Musical Instrument Digital Interface) data, which consists of musical instructions rather than actual digital audio waveforms. Developed by the MIDI Manufacturers Association, it serves as a standardized bridge between different electronic musical instruments, synthesizers, and computer software. Instead of recording sound, an SMF records events such as note-on, note-off, velocity, pitch, and tempo changes. This architecture makes the files exceptionally small and highly portable compared to formats like MP3 or WAV. There are three primary types of SMF: Type 0, which contains all data on a single track; Type 1, which separates data into multiple synchronous tracks; and Type 2, which is rarely used and contains multiple asynchronous tracks. Because the file only contains instructions, the final audio quality depends entirely on the sound engine or soundfont used by the playback device. SMF remains a staple in music production, digital orchestration, and legacy gaming hardware.
Programs that can open and work with .smf files
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Mobile Applications
About .smf files
To open a .smf file, you need compatible software. Here are some options:
To convert a .smf file to another format, you can:
Like any file type, .smf files can be safe or potentially risky depending on their source:
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