Bulk MIDI to AMR Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this free online MIDI to AMR converter (.midi to .amr), and click the Convert button to bulk convert them to AMR format in HD quality. Use the quality slider to fine-tune your AMR 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.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
MIDI vs AMR — File Format Comparison
| Feature | MIDI | AMR |
|---|---|---|
| File Extension | .midi | .amr |
| MIME Type | audio/midi | audio/amr |
| Compression Type | Varies | Lossy |
| Metadata Support | Yes | No |
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 AMR Format?
Adaptive Multi-Rate — the standard voice codec for GSM and UMTS mobile networks, used in phone call recordings and voice messages; delivers compact files optimised for speech at 8 kHz.
- Compression: Lossy
- Tags & Metadata: Not supported
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