Add Watermark to PDF – Free Online Tool
Stamp your PDF with a custom text watermark on every page. Fully configurable: choose position, color, opacity, size, and rotation. Preview before downloading.
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Add Watermark is ready in your browser
100% Free & Private — Processing runs locally on your device without server uploads.
About Add Watermark
Stamp your PDF with a custom text watermark on every page. Fully configurable: choose position, color, opacity, size, and rotation. Preview before downloading.
Frequently Asked Questions
Can I add a logo or image watermark?
Currently the tool supports text watermarks. Image watermark support is coming soon.
Will the watermark cover the content?
You control opacity — set it low (10-30%) to create a subtle background watermark that does not obscure text.
Is this free?
Yes, completely free. Works in your browser with no signup.
Are my files uploaded?
No. All watermarking is done locally in your browser.