Add Watermark to PDF — Free & No Upload
Add a custom text watermark to every page of your PDF. Choose opacity, color, and position. 100% client-side — your PDF never leaves your device.
Add Watermark to PDF
Custom text, opacity, color — all processed locally
Upload PDF & Configure Watermark
All processing happens in your browser. Your PDF is never uploaded to any server.
Your Privacy Matters
Don't worry - we're not eyeing your data. You are safe here. We do not store your important data. Files are automatically deleted after processing, and we never access or share your documents.
Why Use PDFexy to Add Watermarks?
Fully Customisable
Choose your text, color, opacity, font size, and orientation.
No Uploads
Watermarking happens entirely in your browser. Your file never leaves your device.
Free Forever
No account required, no file size limits, no hidden fees.
Frequently Asked Questions
Can I add a logo as watermark?
Text watermarks are supported. For logo watermarks, upload a PNG image using the image upload option in the tool.
Is it free?
Yes, completely free. No sign-up, no payment, no watermarks on output.
Is my PDF secure?
All processing happens in your browser. Files are never uploaded to our servers.
Any file size limit?
No. Processing is client-side so there are no upload size restrictions.
Can I make it semi-transparent?
Yes — use the opacity slider to make the watermark subtle or bold.
Do I need an account?
No account required. Add watermarks instantly with no registration.
Related PDF Tools
Your Privacy Matters
Don't worry - we're not eyeing your data. You are safe here. We do not store your important data. Files are automatically deleted after processing, and we never access or share your documents.