---
name: PDF Watermark
slug: pdf-watermark
category: Automation
description: PDF Watermark adds a text watermark to a PDF file. Use it when you need to mark PDFs with text such as a label, brand, or confidentiality note.
github: "https://github.com/CoderWanFeng/python-office/tree/develop/skills/pdf/add_mark"
language: Python
stars: 1339
forks: 301
install: "npx degit https://github.com/CoderWanFeng/python-office/tree/develop/skills/pdf/add_mark ~/.claude/skills/add_mark"
installs_to: ~/.claude/skills/add_mark
source_path: skills/pdf/add_mark/SKILL.md
collection_size: 50
category_size: 1523
collection_url: "https://dirskills.com/collections/CoderWanFeng/python-office"
added: 2026-08-12T04:43:06.894Z
last_synced: 2026-08-12T04:43:06.894Z
canonical_url: "https://dirskills.com/skills/pdf-watermark"
---

# PDF Watermark

PDF Watermark adds a text watermark to a PDF file. Use it when you need to mark PDFs with text such as a label, brand, or confidentiality note.

**Install:**

```bash
npx degit https://github.com/CoderWanFeng/python-office/tree/develop/skills/pdf/add_mark ~/.claude/skills/add_mark
```

## README

# add_mark Skill

> 给 PDF 添加水印

## 功能描述

向 PDF 文件添加文字水印。

## 所属分类

`office/skills/pdf/add_mark/`

## 调用方式

```python
from skills.pdf import add_mark

add_mark(
    input_file='./test.pdf',
    mark_str='python-office',
    output_path='./',
    output_file='watermarked.pdf'
)
```

## 参数说明

| 参数 | 类型 | 必填 | 默认值 | 说明 |
|------|------|------|--------|------|
| `input_file` | str | 否 | - | PDF 文件的位置，例如 `d:/code/programmer.pdf` |
| `mark_str` | str | 否 | - | 需要添加的水印内容，例如 `"python-office"` |
| `output_path` | str | 否 | - | 保存文件的位置 |
| `output_file` | str | 否 | - | 指定添加了水印的文件名称 |
| `pdf_file` | str | 否 | - | **[已弃用]** 请使用 `input_file` |
| `output_file_name` | str | 否 | - | **[已弃用]** 请使用 `output_file` |

## 返回值

`None`

## 使用示例

```python
from skills.pdf import add_mark
add_mark(input_file='./report.pdf', mark_str='机密')
```

## 原始函数

`office.api.pdf.add_mark`