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Add Watermark to PDF Online Free
Add text or image watermarks to any PDF file in your browser. No Adobe Acrobat, no upload, no cost.
Open PDF Watermark Free →
🔒 No files uploaded
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⚡ Instant results
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💯 No account needed
Frequently Asked Questions
Can I add a custom text watermark to a PDF?
Yes — NexaTools lets you set custom watermark text, size, opacity, and position.
Can I use an image as a watermark on a PDF?
Yes — upload your logo or image as the watermark.
Is this process safe for confidential PDFs?
Yes — everything is processed in your browser. PDFs never leave your device.