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SnapOtter/apps/docs/tools/pdf/unlock-pdf.md
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SnapOtterandGitHub 00b651c9f8 feat(i18n): 21-language pipeline, landing/docs/API wiring, landing+API translations
Shared Claude Code translation pipeline (scripts/i18n, no API key) plus Astro/VitePress/Scalar i18n wiring. Landing and API reference translated into all 20 languages; docs i18n wiring + English source anchors. The translated docs markdown (apps/docs/<locale>/**, 3,620 files) follows in a companion PR because it exceeds GitHub's per-PR CI file limit.
2026-07-11 13:01:55 +08:00

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---
description: Remove password protection from a PDF.
---
# Unlock PDF {#unlock-pdf}
Remove password protection from an encrypted PDF by providing the correct password.
## API Endpoint {#api-endpoint}
`POST /api/v1/tools/pdf/unlock-pdf`
Accepts multipart form data with a PDF file and a JSON `settings` field.
## Parameters {#parameters}
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| password | string | Yes | - | Password to decrypt the PDF (1-256 characters) |
## Example Request {#example-request}
```bash
curl -X POST http://localhost:1349/api/v1/tools/pdf/unlock-pdf \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@document.pdf" \
-F 'settings={"password": "s3cret"}'
```
## Example Response {#example-response}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/document.pdf",
"originalSize": 2500000,
"processedSize": 2450000
}
```
## Notes {#notes}
- The correct password must be provided; an incorrect password returns a 400 error.
- Either the user password or the owner password will work for decryption.
- Passwords are redacted from audit logs.