Add a watermark to your PDF
Add a text or image watermark to your PDF. Adjust opacity, rotation, position. Free, no signup, no install — runs in your browser.
Upload your PDF
Drop your file — live preview appears instantly.
Choose your watermark
Type custom text or upload an image (logo, signature). Adjust opacity, angle, position.
Download stamped PDF
Watermark applied to every page, ready to share.
Why choose iFillPDF
Text or image
Use a text label or upload your logo, stamp, or signature.
Visual editor
Drag, rotate and tweak opacity with live preview before exporting.
Per-page targeting
Apply to all pages or only to specific ones.
Browser-first
Watermarking runs locally — your PDF does not leave your machine.

Go further with lifetime access
E-signature proof log, business templates, no watermark. $8.99, one payment, for life — no subscription.
Frequently asked questions
Is it really free?+
Yes, fully free with no signup. Watermark as many PDFs as you want.
Is my data safe?+
Yes — we host in Frankfurt (EU), AES-256 at rest. Files never leave your computer — processing happens client-side in your browser.
Can I use my own logo?+
Yes — upload a PNG with transparency for the cleanest look.
Can I watermark only some pages?+
Yes — pick a page range or specific page numbers before applying the watermark.
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