base64 -i my_song.mid -o my_song_base64.txt Or to output directly:
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
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') base64 -i my_song
song_data = "title": "My Melody", "composer": "Anonymous", "midi_base64": b64_midi const midiBuffer = fs.readFileSync('song.mid')
with open('song_package.json', 'w') as out: json.dump(song_data, out)