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All toolsadd watermark to video API

Add a Watermark to Video

Overlay a logo or watermark image with controlled position, size and opacity. Run the preset directly on this page or call the same agent-ready endpoint from your product.

Run this tool View API recipe

Prefer the shell? Add a watermark to a video with FFmpeg, the verified FFmpeg command for this edit.

LIVE TOOL
Run add watermark to video
Drop a video, adjust the defaults if you need to, and download the result here.

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BEFORE / AFTER

See what the tool changes.

A real example: the after side is the unedited output of a KinoPipe job. Run the live form above to generate the same result from your own media.

BeforeClean source
No overlay
AfterBranded video
Ready
Logo · 85% opacity

Demo footage: public-domain timelapses (Bureau of Land Management, Oregon · NASA SVS). Processed by the same pipeline the API and MCP tools call.

Useful defaults, typed options.

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

  • Five placement presets
  • Adjustable width and opacity
  • Audio preserved
What this preset does
  1. 01Load the video and image
  2. 02Scale the watermark
  3. 03Apply opacity and safe margins
  4. 04Render a branded MP4
Stable endpointPOST /api/v1/tools/add-watermark-to-video
Live API request
{
  "inputs": [
    { "id": "main", "url": "https://example.com/video.mp4" },
    { "id": "watermark", "url": "https://example.com/logo.png" }
  ],
  "options": { "position": "bottom-right", "width": 240, "opacity": 0.85 }
}
Successful output example
{
  "result": {
    "output": {
      "filename": "add-watermark-to-video-output.mp4",
      "contentType": "video/mp4",
      "byteSize": 437021,
      "downloadUrl": "https://cdn.kinopipe.com/…"
    }
  }
}

Know the boundaries before you run.

Watermark width must be 16–2048 pixels.
Opacity must be between 0.05 and 1.
Use a decodable PNG, JPEG or WebP image URL.

About add watermark

Use a public image URL in a format FFmpeg can decode, such as PNG, JPEG or WebP.

No. The original video audio is preserved while the image is composited over the video frames.

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