Add Watermark

Add custom text or image watermarks to your PDFs. Perfect for branding, copyright protection, or marking documents as drafts. Control position, opacity, rotation, and apply to all or specific pages.

or Drag & drop files here

Max 100 filesMax file size: 100MB

Supported formats: .pdf, application/pdf

Professional PDF Watermark Tool

Add custom text or image watermarks to your PDF documents with full control over position, opacity, rotation, and styling. Our browser-based tool processes files securely on your device, perfect for branding, copyright protection, or marking documents as confidential, draft, or approved.

Key Features:

  • Add text or image watermarks with custom styling
  • 9 position presets plus custom placement options
  • Adjustable opacity, rotation, and size controls
  • Apply to all pages or select specific page ranges
  • 100% client-side processing for complete privacy
  • Batch watermark multiple PDF files simultaneously

How to add watermarks to PDFs:

  1. Click "Select PDF Files" or drag and drop your PDFs
  2. Choose watermark type: text or image
  3. Customize text/image, position, opacity, and rotation
  4. Click "Add Watermark" to apply to your PDFs
  5. Download your watermarked PDF files

Your Privacy is Protected

All conversions happen locally in your browser. Your files never leave your device and are automatically deleted when you close this page.

Frequently Asked Questions

Your Privacy is Our Priority

Unlike other PDF tools, we process your files directly in your browser using WebAssembly technology. This means your sensitive documents never leave your device.

Browser Processing

Processing happens in your browser

No File Uploads

No files uploaded to our servers

No Storage

We don't permanently store your files

Complete Privacy

Your files never leave your device during processing

100% Privacy Guarantee

We use cutting-edge WebAssembly technology to process your PDFs entirely within your browser. No uploads to our servers, no data collection, no privacy concerns. Just pure, local processing power.

How Our Privacy-First Technology Works

WebAssembly Processing

We use WebAssembly (WASM) to run PDF processing libraries directly in your browser, eliminating the need to upload files to external servers.

Local Storage Only

Files are temporarily stored in your browser's memory during processing and automatically cleared when you close the tab or complete the task.

No Data Collection

We don't track, store, or analyze your file contents. Our analytics only measure tool usage patterns, not personal data.

GDPR Compliant

Our privacy-first approach means we're automatically compliant with GDPR, CCPA, and other privacy regulations worldwide.

Add Watermark to PDF Online - Free PDF Watermarking Tool | PDFyogi