Change FPS

Change the frame rate of a video to a target value between 1 and 120 fps.

API Endpoint

POST /api/v1/tools/change-fps

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

Parameters

Parameter	Type	Required	Default	Description
fps	number	No	30	Target frame rate (1-120)

Example Request

curl -X POST http://localhost:1349/api/v1/tools/change-fps \
  -H "Authorization: Bearer si_your-api-key" \
  -F "[email protected]" \
  -F 'settings={"fps": 24}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
  "originalSize": 12500000,
  "processedSize": 10200000
}

Notes

• Lowering the frame rate drops frames and reduces file size. Increasing it duplicates frames to fill the gap but does not add real motion detail.
• Common target values: 24 (cinema), 30 (web/broadcast), 60 (smooth playback).
• The audio track is preserved at its original sample rate.