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Watermark PDF — Stamp Text or a Logo

Overlay a text notice or image across your PDF pages without uploading a thing.

Drop your file here or click to browse

PDF only · Max 100 MB

How it works

  1. Step 1

    Open your PDF

    Drop in the document you want to mark. Everything is processed locally in your browser.

  2. Step 2

    Design the stamp

    Type a phrase or upload a logo, then fine-tune opacity, angle, colour, and size to taste.

  3. Step 3

    Save the result

    Apply the watermark to every page and download the finished PDF instantly.

Brand and protect your documents with a watermark

A watermark is a simple way to signal ownership, status, or confidentiality. Marking a proposal as “DRAFT”, stamping “PAID” on an invoice, or laying a company logo across every page all help readers understand a document at a glance — and discourage unauthorised reuse.

This tool supports both text and image watermarks. With text you control the wording, colour, transparency, rotation, and whether the phrase sits in the centre or repeats across the page. With an image you can drop in a logo, set how large it appears, and dial the opacity down so it blends gently behind your content.

Because the stamp is written directly into the PDF on your own device, the file never touches a server. That keeps sensitive contracts and internal reports private, which is exactly when watermarks matter most.

After watermarking, you may want to merge the file with a cover page, compress it for email, or rearrange pages. Those follow-up tools are linked just below.

Frequently asked questions

Can I use my company logo as a watermark?

Yes. Switch to the image option and upload a PNG or JPG. Transparent PNG logos work especially well laid over document pages.

Will the watermark appear on every page?

Yes, the stamp is applied to all pages automatically so your branding or notice is consistent throughout the document.

How do I make the watermark subtle?

Lower the opacity slider. A setting around 20–35% keeps text readable underneath while still making the watermark clearly visible.

Can I tile the text across the whole page?

Yes. Choose the tiled placement for text watermarks and the phrase repeats in a grid — ideal for ‘DRAFT’ or ‘CONFIDENTIAL’ notices.

Does my file get uploaded to add the watermark?

No. The watermarking happens entirely in your browser using JavaScript, so the document and any logo you add stay on your device.