Audio Conversion

Convert between MP3, WAV, FLAC, AAC, and more

Supported Formats

From	To
MP3	WAVFLACAACOGGM4AWMA
WAV	MP3FLACAACOGGM4A
FLAC	MP3WAVAACOGGM4A
AAC	MP3WAVFLACOGG
OGG	MP3WAVFLACAAC
M4A	MP3WAVFLACAACOGG

Code Examples

basic

JavaScript

// Convert MP3 to WAV
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('input_format', 'mp3');
formData.append('output_format', 'wav');

const response = await fetch('https://freefastconverter.com/api/external/v1/convert/audio', {
  method: 'POST',
  headers: {
    'X-API-Key': 'ffc_live_your_api_key'
  },
  body: formData
});

const result = await response.json();
console.log(result.job_id, result.status_url);

compress

JavaScript

// Compress audio through the external API
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('quality', 'low');

const response = await fetch('https://freefastconverter.com/api/external/v1/compress', {
  method: 'POST',
  headers: {
    'X-API-Key': 'ffc_live_your_api_key'
  },
  body: formData
});

trim

JavaScript

// Convert FLAC to MP3
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('input_format', 'flac');
formData.append('output_format', 'mp3');

const response = await fetch('https://freefastconverter.com/api/external/v1/convert/audio', {
  method: 'POST',
  headers: {
    'X-API-Key': 'ffc_live_your_api_key'
  },
  body: formData
});