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Every tool you need to work with PDFs in one place

Our tools are 100% FREE and easy to use! Merge, split, compress, convert, rotate, and watermark your PDFs with just a few clicks — no uploads, your files never leave this device.

Everything runs locally in your browser using open-source PDF engines. Files are processed on your device and are never sent to a server.

Add Watermark to PDF Free

Stamp text watermarks like DRAFT, CONFIDENTIAL or your company name across PDF pages. Customize text, size, angle and transparency — all in your browser. A standard step before circulating drafts, price lists and confidential documents.

How to add a watermark to a PDF

Open your PDF in the Watermark tool.
Type your watermark text (e.g. CONFIDENTIAL).
Adjust size, rotation angle and transparency.
Apply to all pages and download.

Why use PDFZippy for this

Custom text watermarks on every page
Diagonal or horizontal placement, adjustable opacity
Choose position: center, header, footer or tiled
Preview before applying
Private — processed on your device

Tips for best results

A light transparency (around 20–30%) keeps content readable under DRAFT stamps.
Diagonal watermarks are harder to crop out than small corner ones.
Preview before applying — once saved, the watermark is permanent.
Match the watermark color to your brand for client-facing documents.

Frequently asked questions

How do I add a DRAFT watermark to my PDF?

Open the Watermark tool, type DRAFT, pick a large diagonal style with light transparency, apply to all pages and download.

Can I make the watermark lighter or darker?

Yes — the transparency slider controls how subtle or bold the watermark appears over your content.

Will the watermark appear on every page?

By default yes. You can also target specific page ranges if needed.

Can I remove a watermark from a PDF?

This tool adds watermarks; it can't remove ones baked into someone else's PDF. If it's your document, re-export the original without the watermark.

Is my document uploaded to add the watermark?

No — watermarking runs locally in your browser.