Watermark PDF

Drop pdf file here or

Your files are secure

Upload the PDF, design the watermark, download. Stamping runs entirely in your browser — nothing is uploaded.

How to Add a Watermark to a PDF Online for Free

  1. Drag & drop your PDF, or click Choose Files to browse.

  2. Set the watermark text or logo, then choose position, size and transparency.

  3. Click Add Watermark and every page is stamped instantly, right in your browser.

  4. Download your watermarked PDF free — and nothing was uploaded.

Why Watermark PDFs With Our Free Tool

Built for speed, privacy and reliability — on any device.

Text or Logo Watermarks

Type 'CONFIDENTIAL' across the page or upload your logo — both work, alone or combined.

Full Control of Placement

Diagonal center stamps, footers, corners — position and rotate the watermark exactly where it belongs.

100% Private — Runs in Your Browser

Watermarking happens on your device. Unpublished documents never touch a server.

Subtle or Bold

Dial transparency down for a gentle background mark, or up for an unmistakable ownership stamp.

Free for Unlimited PDFs

Watermark as many documents as you need at zero cost — no account, no page limits, on any device.

Watermark PDF FAQs

Watermark PDF

Stamp a text watermark over your PDF

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