MyToolKitPro MyToolKitPro

Add a Watermark to Your PDF Online

Stamp custom text watermarks onto your PDF pages to protect or brand your documents.

Upload PDF Document

Drag & drop your file here or click to browse

Select PDF File
Brand Protection Suite

Secure Assets.
Own Your Content.

Prevent unauthorized sharing and claim your intellectual property. Apply custom text or image watermarks across thousands of pages instantly. Since it's 100% local, your sensitive documents never leave your computer.

Security Features

  • ✔

    Anti-Removal Tiling

    Repeat your watermark in a grid pattern across the entire page, making it impossible to crop out.

  • ✔

    Layer Order Control

    Place watermarks behind text to keep documents readable, or on top for maximum protection.

  • ✔

    Vector-Based Precision

    Your watermarks remain sharp at any zoom level without increasing file size significantly.

Image & Logo Support

Upload your PNG or SVG brand logo. Adjust opacity and rotation for a professional look.

Dynamic Text

Insert dynamic tags like Date, Filename, or Page Numbers directly into your watermark.

Encrypted Stamping

Upload → Client-Side Buffer → Apply Stamp → Secure Download

Privacy Guaranteed
Security Engine Active
Unlimited Files Transparent PNG Support

Secure your work. Stay 100% offline.

Secure Your Work in 3 Simple Steps

Add text or image watermarks to your PDF documents instantly. Professional branding with total privacy.

1. Drop PDF

Select the PDF you want to protect. Your files are processed locally, so they never touch our servers.

2. Design Watermark

Type your text or upload an image. Adjust opacity, rotation, and position for the perfect look.

3. Save & Secure

Download your watermarked PDF instantly. No registration required and no watermarks from us.

Toolkit Ecosystem

Need something else?

High-performance, browser-based PDF utilities. No uploads, no limits, 100% private.

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Add Page Numbers

Add professional pagination to your PDF documents with ease.

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Resize PDF

Change page dimensions to A4, Letter, or custom sizes instantly.

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Remove Pages

Remove specific pages from your document to keep only what matters.

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Duplicate Pages

Clone specific pages within your PDF to create perfect templates.

Launch Tool →

Frequently Asked Questions.

Everything you need to know about our local PDF watermarking tool.