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SnapOtter/apps/docs/tools/video/crop-video.md
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SnapOtter 8532f3227b docs: audit all 157 tool pages against live schemas
Reconcile every tool page's parameters, defaults, and response shape against the tool's Zod settings schema and executionHint in code. Notable fixes: color-palette (add count + format params, hex output, median-cut algorithm), favicon (add 5 params, was documented as having none), qr-generate (add logoDataUri), convert (add ppm/eps/tga formats), video-loudnorm (-16 LUFS not -14), smart-crop (async 202 not sync 200), images-to-video (1080x1080 square), and several output-filename and behavior-note corrections.

Also normalize API endpoint paths to /api/v1/tools/<id> (no modality segment) and standardize curl examples on the Docker API port 1349. Verified with a clean docs build.
2026-06-18 14:12:28 +08:00

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Markdown

---
description: Crop a region out of a video.
---
# Crop Video
Crop a rectangular region out of a video by specifying the region's size and position.
## API Endpoint
`POST /api/v1/tools/crop-video`
Accepts multipart form data with a video file and a JSON `settings` field.
## Parameters
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| width | integer | Yes | - | Crop region width in pixels (minimum 16) |
| height | integer | Yes | - | Crop region height in pixels (minimum 16) |
| x | integer | No | `0` | Horizontal offset from the top-left corner |
| y | integer | No | `0` | Vertical offset from the top-left corner |
## Example Request
```bash
curl -X POST http://localhost:1349/api/v1/tools/crop-video \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@clip.mp4" \
-F 'settings={"width": 640, "height": 480, "x": 100, "y": 50}'
```
## Example Response
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
"originalSize": 12500000,
"processedSize": 5200000
}
```
## Notes
- The crop region must fit within the video dimensions. If `x + width` or `y + height` exceeds the source size, the request returns a 400 error.
- Minimum crop size is 16x16 pixels.
- Dimensions are rounded to even numbers as required by most video codecs.