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SnapOtter/apps/docs/tools/crop-video.md
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SnapOtterandGitHub ecc0a45f0e docs: per-tool reference pages for all 157 tools (+ fix docs build) (#261)
* fix(docs): keep gray-matter on js-yaml 3 so the docs site builds

The js-yaml >=4.2.0 override from #257 forced js-yaml 4 onto gray-matter (used by vitepress and vitepress-plugin-llms), which calls the removed yaml.safeLoad and broke `vitepress build`. Scope a gray-matter>js-yaml ^3.14.1 override so gray-matter keeps the v3 API (build-time, trusted frontmatter only) while app code stays on js-yaml 4.2.0+.

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2026-06-17 11:11:37 +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.