All prebuilt tools MERGE VIDEOS API

Merge Videos with an API

Join two to six video clips into one normalized, playback-ready MP4. Run the preset directly on this page or call the same agent-ready endpoint from your product.

Run this tool View API recipe

LIVE TOOL

Run merge videos

Paste a public media URL, choose your settings and download the result here.

BEFORE / AFTER

See what the tool changes.

A visual guide to the transformation. Run the live form above to generate and download the real result from your own media.

BeforeSeparate clips

CLIP 1

CLIP 2

3 source files

AfterOne timeline

Ready

1 normalized MP4

BUILT FOR AUTOMATION

Useful defaults, typed options.

The tool slug stays stable while your agent supplies named media inputs and a narrow set of documented options.

Two to six input clips
Mixed source sizes supported
One stable MP4 output

What this preset does

01Download every clip
02Normalize size and frame rate
03Preserve or synthesize audio
04Join clips in the supplied order

Stable endpointPOST /api/v1/tools/merge-videos

Live API request

SYNCED WITH FORM

{
  "inputs": [
    { "id": "main", "url": "https://example.com/intro.mp4" },
    { "id": "clip-2", "url": "https://example.com/demo.mp4" }
  ],
  "options": { "aspect_ratio": "16:9" }
}

Successful output example

{
  "result": {
    "output": {
      "filename": "merge-videos-output.mp4",
      "contentType": "video/mp4",
      "byteSize": 437021,
      "downloadUrl": "https://storage.googleapis.com/…"
    }
  }
}

CONSTRAINTS