PDF Watermark
Add watermark text to every page of your PDF. Supports Japanese. All processing happens in your browser — no data is sent to any server.
After processing, chain to:
Drop PDF here or click to select
Supported formats: application/pdf,.pdf · Max size: 100MB
How to use
Drag & drop your PDF
Enter watermark text (e.g. CONFIDENTIAL) and adjust opacity, size, color, angle, and placement
Download the PDF with the watermark applied to every page
Frequently asked questions
- Can the watermark be in Japanese?
- Yes. Japanese is supported, so you can add company names or notes such as “Do not copy.”
- Does it damage the original text?
- No. The watermark is drawn on top; the original text and content remain intact.
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