Midi To Base64 -

import base64 from midiutil import MIDIFile midi = MIDIFile(1) midi.addTempo(0, 0, 120) midi.addNote(0, 0, 60, 0, 1, 100)

import io with io.BytesIO() as buf: with open(buf, 'wb') as f: midi.writeFile(f) b64_string = base64.b64encode(buf.getvalue()).decode() | Step | Action | |------|--------| | 1 | Read .mid file as binary | | 2 | Encode binary → Base64 string | | 3 | Use string in text context (JSON, HTML, DB) | | 4 | To reverse: decode Base64 → binary → write .mid |

print(b64_string[:100]) # preview decoded_bytes = base64.b64decode(b64_string) with open('restored.mid', 'wb') as f: f.write(decoded_bytes) JavaScript (Node.js) const fs = require('fs'); const midiBuffer = fs.readFileSync('song.mid'); const base64String = midiBuffer.toString('base64'); midi to base64

base64 -i my_song.mid -o my_song_base64.txt Or to output directly:

with open('song_package.json', 'w') as out: json.dump(song_data, out) import base64 from midiutil import MIDIFile midi =

base64 my_song.mid

certutil -encode my_song.mid output.txt (Then remove the -----BEGIN CERTIFICATE----- lines manually.) Python (most common) import base64 Read MIDI file as binary with open('song.mid', 'rb') as f: midi_bytes = f.read() Encode to Base64 string b64_string = base64.b64encode(midi_bytes).decode('utf-8') const midiBuffer = fs.readFileSync('song.mid')

with open('song_package.json') as f: data = json.load(f) midi_bytes = base64.b64decode(data['midi_base64']) with open('restored.mid', 'wb') as out: out.write(midi_bytes) If your MIDI is generated in memory (e.g., using midiutil or pretty_midi in Python), encode directly:

MIDI (Musical Instrument Digital Interface) is a binary file format ( .mid or .midi ) that stores musical performance data: notes, timing, tempo, instruments, etc.

song_data = "title": "My Melody", "composer": "Anonymous", "midi_base64": b64_midi