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Add Watermark to PDF Online
Protect and mark your documents with customizable text watermarks such as "CONFIDENTIAL", "DRAFT", or your company name.
Stamp text watermarks such as CONFIDENTIAL, DRAFT, or custom labels.
100% Client-Side Processing • Zero Server Uploads
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How to Use Add Watermark to PDF
Upload PDF
Select the PDF file you want to watermark.
Configure Watermark
Enter your text, choose rotation angle (e.g. 45° diagonal), opacity, font size, and color.
Apply & Download
Download your watermarked PDF with all pages updated.
Key Features & Benefits
Custom watermark text (e.g., CONFIDENTIAL, DO NOT COPY, DRAFT)
Adjustable opacity slider (10% to 100%)
Rotation angle presets (0° horizontal, 45° diagonal, -45°)
Clean vector text stamping across all pages
Frequently Asked Questions
Will the watermark appear on every page?
Yes, the watermark is applied consistently across all pages of your PDF document.
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