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100% Private Processing

Professional PDF
Watermark Tool

Protect your intellectual property by adding professional text or image watermarks to your PDF documents. Customize opacity, position, and rotation with ease.

274,831files processed
Batch Support
Image & Text
100% Secure
PRO PROTECTION ENGINE
  • Opacity:Precision transparency control
  • Security:Files never leave your browser
  • Custom:Custom fonts, colors & rotation
Select PDF to WatermarkWorks for single or multi-page documents

Protect Your Intellectual Property

In a digital world, protecting your documents is more important than ever. Our "Add Watermark" tool allows you to stamp your ownership directly onto your PDF files, preventing unauthorized use or distribution of your sensitive work.

Text Watermarks

Add custom text like "CONFIDENTIAL," "DRAFT," or your brand name with adjustable fonts and colors.

Image Logos

Upload your company logo or a custom seal to brand your professional documents across all pages.

100% Local Privacy

We believe in absolute data security. All document branding happens in your browser — your files are never uploaded.

How to Add Watermarks?

01

Upload Document

Select the PDF file you want to protect and brand from your computer.

02

Choose Content

Decide between a text-based watermark or upload your own image/logo.

03

Customize Style

Adjust transparency, rotation, and size until the watermark looks perfect.

04

Download PDF

Process all pages instantly and download your protected, professional document.

Professional-Grade Privacy

ConvertSnap is built with a security-first mindset. By performing all PDF manipulations using local JavaScript libraries, we ensure that your sensitive business contracts, academic papers, and private documents remain on your machine. No server-side storage, no data training, no compromises.

Smart Conversion Wizard

Tell us what you want to achieve, and we'll pick the right tool for you.

Shrink File Size

Change Dimensions

Change Format

Extract Text

Create PDF

Extract Table

All PDF Tools Wiz

Switch to other professional PDF utilities instantly.

Merge PDF

Combine multiple PDF files into one.

Split PDF

Extract or split PDF pages.

Compress PDF

Reduce PDF size instantly.

PDF to Image

Convert PDF to JPG/PNG.

Web to PDF

URL to PDF conversion.

Protect PDF

Encrypt with password.

Unprotect PDF

Remove PDF passwords.

Add Page Nos

Number your PDF pages.

Rearrange PDF

Reorder pages via DND.

Remove Pages

Delete unwanted pages.

PDF to Text

AI text extraction.

Add Watermark

Brand your documents.