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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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description

description
Arrange multiple PDF pages per sheet (2-up, 4-up, etc.).

N-up PDF

Arrange multiple pages per sheet to save paper when printing, such as 2-up or 4-up layouts.

API Endpoint

POST /api/v1/tools/nup-pdf

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

Parameters

Parameter	Type	Required	Default	Description
perSheet	integer	No	`2`	Pages per sheet: `2`, `3`, `4`, `8`, `9`, `12`, or `16`

Example Request

curl -X POST http://localhost:1349/api/v1/tools/nup-pdf \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@document.pdf" \
  -F 'settings={"perSheet": 4}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/document.pdf",
  "originalSize": 2450000,
  "processedSize": 2300000
}

Notes

Pages are arranged in reading order (left to right, top to bottom).
The output page size matches the original; individual pages are scaled down to fit the grid.
A 20-page document with perSheet: 4 produces a 5-page output.

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