Document Watermark
Add watermark protection to PDF documents
📖 User Guide Click to view detailed instructions and feature introduction
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📖 User Guide
Click to view detailed instructions and feature introduction
功能介绍
Free online document watermark tool. Add text watermarks to PDF documents. Support custom watermark content, position and opacity to protect document security.
主要功能
1. Custom Watermark
Enter any text as watermark content
2. Position Selection
Support multiple positions like top-left, center, bottom-right
3. Opacity Adjustment
Adjust watermark opacity from 10% to 100%
4. Batch Processing
Support adding watermark to single PDF file
使用方法
- Select PDF document to add watermark
- Enter watermark text content
- Select watermark position and opacity
- Click "Add Watermark" button
适用场景
- Document Protection: Add watermarks to important documents to prevent theft
- Copyright Marking: Add copyright information to documents
- Enterprise Branding: Add company name or logo watermark
- Confidential Marking: Add "Confidential" or "Draft" markers
常见问题
What formats are supported?
Currently only supports PDF format documents.
Will watermark cover original content?
Watermark will be overlaid on page content in semi-transparent way, will not completely cover original content.
Can add image watermarks?
Currently only supports text watermarks, image watermark feature coming soon.
Click to select PDF document