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SnapOtter d24e244af4 docs: organize tool pages by modality under /tools/<modality>/

Move all 157 tool pages into image/video/audio/pdf/data subfolders so URLs read /tools/<modality>/<id> (e.g. /tools/image/crop). Nest the image sub-categories under an Image group in the sidebar so the nav reads by modality. Add public/_redirects (301, clean + .html forms) mapping every old flat /tools/<id> URL to its new path so inbound links keep working. Rewrite all internal /tools links. Verified with a clean docs build (no dead links).

2026-06-18 14:12:28 +08:00

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description

description
Speed up or slow down a video.

Video Speed

Speed up or slow down a video with an option to preserve audio pitch.

API Endpoint

POST /api/v1/tools/video/video-speed

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

Parameters

Parameter	Type	Required	Default	Description
factor	number	No	`2`	Speed multiplier (0.25-4). Values above 1 speed up, below 1 slow down
keepPitch	boolean	No	`true`	Preserve audio pitch when changing speed

Example Request

curl -X POST http://localhost:1349/api/v1/tools/video/video-speed \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@clip.mp4" \
  -F 'settings={"factor": 0.5, "keepPitch": true}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/clip.mp4",
  "originalSize": 12500000,
  "processedSize": 24800000
}

Notes

A factor of 2 doubles playback speed (halves duration). A factor of 0.5 halves playback speed (doubles duration).
When keepPitch is true, the audio is time-stretched so voices sound natural. When false, pitch shifts proportionally with speed.
The valid range is 0.25x to 4x.

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