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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
Read and write PDF document metadata.

PDF Metadata

Read and update PDF document metadata fields such as title, author, subject, and keywords. When no settings are provided, the existing metadata is returned without modification.

API Endpoint

POST /api/v1/tools/pdf/pdf-metadata

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

Parameters

Parameter	Type	Required	Default	Description
title	string	No	-	Document title (max 500 characters)
author	string	No	-	Document author (max 500 characters)
subject	string	No	-	Document subject (max 500 characters)
keywords	string	No	-	Document keywords (max 500 characters)

All parameters are optional. Omitted fields are left unchanged.

Example Request

curl -X POST http://localhost:1349/api/v1/tools/pdf/pdf-metadata \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@report.pdf" \
  -F 'settings={"title": "Q2 Report", "author": "Finance Team"}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/report.pdf",
  "originalSize": 245000,
  "processedSize": 245200,
  "metadata": {
    "title": "Q2 Report",
    "author": "Finance Team",
    "subject": "",
    "keywords": ""
  }
}

Notes

Accepted input format: .pdf.
This is a fast (synchronous) tool that returns the result directly.
The metadata field in the response contains the resulting metadata after any updates.
To read metadata without modifying it, omit the settings field or send an empty object.
Each metadata field is limited to 500 characters.

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