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SnapOtter/apps/docs/tools/pdf/pdf-page-numbers.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: Add page numbers to every page of a PDF.
---
# PDF Page Numbers {#pdf-page-numbers}
Add "Page N of M" page numbers to every page of a PDF.
## API Endpoint {#api-endpoint}
`POST /api/v1/tools/pdf/pdf-page-numbers`
Accepts multipart form data with a PDF file and a JSON `settings` field.
## Parameters {#parameters}
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| position | string | No | `"bc"` | Page number placement: `bl`, `bc`, `br`, `tl`, `tc`, `tr` |
| fontSize | integer | No | `10` | Font size in points (6-24) |
### Position Values {#position-values}
- `tl` top-left, `tc` top-center, `tr` top-right
- `bl` bottom-left, `bc` bottom-center, `br` bottom-right
## Example Request {#example-request}
```bash
curl -X POST http://localhost:1349/api/v1/tools/pdf/pdf-page-numbers \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@document.pdf" \
-F 'settings={"position": "bc", "fontSize": 12}'
```
## Example Response {#example-response}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/document.pdf",
"originalSize": 2450000,
"processedSize": 2470000
}
```
## Notes {#notes}
- Page numbers are rendered in the format "Page 1 of 10".
- Numbers are added to every page, including any existing title or cover pages.
- The default position `"bc"` places numbers at the bottom center of each page.