Watermark PDF
Add text watermarks to your PDF documents for free. Protect your documents with custom stamps and branding.
Accepted formats
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| files[] | file | Yes | File(s) to convert |
| watermark_text | string | No | Watermark text (max 100 chars) |
| watermark_position | string | No | Position: top-left, top-center, top-right, center, bottom-left, bottom-center, bottom-right, diagonal |
| watermark_font_size | integer | No | Font size (12-144) |
Code example
curl -X POST "https://gurupdf.com/api/v1/convert/watermark-pdf" \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "files[]=@/path/to/document.pdf"