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Video Conversion

Transcode videos to MP4, WebM, MOV, and extract audio

Supported Formats

FromTo
MP4
WebMMOVAVIMKVGIFMP3
WebM
MP4MOVAVIGIF
MOV
MP4WebMAVIGIFMP3
AVI
MP4WebMMOVGIF
MKV
MP4WebMAVI
FLV
MP4WebMMOV

Code Examples

basic

JavaScript
// Convert MP4 to WebM
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('input_format', 'mp4');
formData.append('output_format', 'webm');

const response = await fetch('https://freefastconverter.com/api/external/v1/convert/video', {
  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 video 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
});

gif

JavaScript
// Convert video to GIF
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('input_format', 'mp4');
formData.append('output_format', 'gif');

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

audio

JavaScript
// Extract audio from video
const formData = new FormData();
formData.append('file', fileInput.files[0]);
formData.append('input_format', 'mp4');
formData.append('output_format', 'mp3');

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

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Compare video converters, compression tools, API pricing, privacy details, and support before building a video workflow.

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API documentation

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