SnapOtter/apps/docs/tools/audio/convert-audio.md

description

description
Convert audio between MP3, WAV, OGG, FLAC, and M4A formats.

Convert Audio

Convert audio files between common formats including MP3, WAV, OGG, FLAC, and M4A, with configurable output bitrate.

API Endpoint

POST /api/v1/tools/audio/convert-audio

Accepts multipart form data with an audio file and a JSON settings field.

Parameters

Parameter	Type	Required	Default	Description
format	string	No	"mp3"	Output format: mp3, wav, ogg, flac, m4a
bitrateKbps	integer	No	192	Output bitrate in kbps (32 to 320)

Example Request

curl -X POST http://localhost:1349/api/v1/tools/audio/convert-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@audio.mp3" \
  -F 'settings={"format": "flac", "bitrateKbps": 256}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.flac",
  "originalSize": 4500000,
  "processedSize": 8200000
}

Notes

• Supported input formats include MP3, WAV, OGG, FLAC, AAC, M4A, WMA, AIFF, and OPUS.
• Bitrate only applies to lossy formats (MP3, OGG, M4A). Lossless formats like WAV and FLAC ignore this setting.
• The output filename keeps the original name with the new extension.