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Bulk MIDI to RAS Converter Online — Free HD Quality

Drag and drop your multiple MIDI files into this free online MIDI to RAS converter (.midi to .ras), and click the Convert button to bulk convert them to RAS format in HD quality. Use the quality slider to fine-tune your RAS output, then download your converted files one by one or as a single ZIP — your original MIDI files are removed from our servers right after.

To:
85%

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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more

Max 100MB per file

MIDI vs RAS — File Format Comparison

Feature MIDI RAS
File Extension .midi .ras
MIME Type audio/midi image/x-sun-raster
Compression Type Varies Lossless
Metadata Support Yes Yes

What Is MIDI Format?

MIDI File (long extension) — the .midi variant of the MIDI format carrying the same musical note-event data as .mid; synthesised to audio via fluidsynth with a General MIDI soundfont at 44100 Hz.

  • Compression: Varies
  • Tags & Metadata: Supported

What Is RAS Format?

Sun Raster format for Unix systems.

  • Compression: Lossless
  • Tags & Metadata: Supported

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