💧 PDF TOOL

PDF Watermark Adder

Stamp every page of your PDF with a custom text watermark — perfect for marking drafts, confidential files, or branding documents. Adjust text, color, opacity and rotation.

Upload PDF

Click to select a PDF file

Watermark Text

Text Color

Font Size

Opacity 30%

Rotation 45°

Document Info

File Name—

Total Pages—

File Size—

StatusReady

Custom Text

Use any word or phrase as your watermark.

Adjustable Opacity

Control how subtle or bold the watermark appears.

Custom Angle

Rotate the watermark diagonally or however you like.

100% Private

Processed entirely in your browser, never uploaded.

About PDF Watermark Adder

PDF Watermark Adder stamps a custom text watermark across every page of your PDF document. It's commonly used to mark files as DRAFT, CONFIDENTIAL, or SAMPLE, or to add lightweight branding. Customize the text, color, size, opacity and rotation angle to get exactly the look you want, then download the watermarked PDF instantly.

How To Use

Upload the PDF file you want to watermark
Type your watermark text and choose a color and font size
Adjust the opacity and rotation sliders to your preference
Click Add & Download to save the watermarked PDF

Frequently Asked Questions

Can I watermark only specific pages?

This tool applies the watermark to every page for consistent branding or marking.

Will the watermark cover important content?

Adjust the opacity lower and reposition via rotation to keep it subtle and non-intrusive.

Can I use an image as a watermark instead of text?

Currently this tool supports text watermarks only, optimized for speed and simplicity.

Is my document uploaded to a server?

No, the watermark is applied locally in your browser — your file stays private.

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How to Use PDF Watermark Adder

Click the upload area and select your file(s) from your device.
Adjust the available settings to match what you need.
Preview the result directly in your browser before finishing.
Click the action button and download your processed file instantly.

Why Use Toolinium's PDF Watermark Adder

Add a custom text watermark to your PDF online for free. Control text, color, opacity, size and position — 100% browser-based.

100% free to use with no hidden charges or subscriptions
Works entirely in your browser — nothing is uploaded to any server
No signup, login, or personal information required
Works on desktop, tablet, and mobile devices
Fast, lightweight, and built for everyday use
Your files and data stay private and are never stored