Online Signature PDF

Add online signatures to your PDF documents with our free tool. No registration required. Create professional signatures for your PDFs instantly.

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Online Signature PDF Features

Online Signatures

Add professional online signatures to your PDF documents with our easy-to-use signature tool. Draw, type, or upload your signature image.

  • • Draw signatures with mouse or touch
  • • Type signatures with custom fonts
  • • Upload signature images
  • • Position signatures anywhere on document
Highlight & Underline

Highlight important text and underline key information in your PDF documents with our annotation tools.

  • • Multiple highlight colors
  • • Underline text with custom styles
  • • Adjust opacity and thickness
  • • Easy to remove or modify
Comments & Notes

Add comments, notes, and annotations to your PDF documents for better collaboration and documentation.

  • • Add text comments anywhere
  • • Sticky notes and callouts
  • • Custom colors and fonts
  • • Perfect for reviews and feedback
Instant Export

Download your signed and annotated PDF documents instantly with all changes permanently embedded.

  • • High-quality PDF output
  • • All annotations embedded
  • • Maintains original formatting
  • • Ready for printing and sharing
100% Secure

Your documents are processed locally in your browser - they never leave your device or get stored on our servers.

  • • Client-side processing only
  • • No data stored on servers
  • • End-to-end privacy protection
  • • No registration required
Lightning Fast

Process your PDF documents in seconds with our optimized tools that work directly in your browser.

  • • Instant processing
  • • No upload delays
  • • Works offline
  • • No server dependencies

What Our Users Say

“Amazing tool! I use it daily for adding signatures to PDFs. Fast, secure, and completely free. No more printing and scanning documents.”

- Alex Thompson, Real Estate Agent

“Perfect for remote work! I can add signatures to PDFs from anywhere without needing special software. The interface is intuitive and professional.”

- Maria Garcia, HR Manager

“The best free online signature PDF tool I've found. Works perfectly on mobile and desktop. Highly recommend for anyone who needs to sign PDFs regularly.”

- David Kim, Freelance Designer

How It Works

1

Upload Your PDF

Simply drag and drop your PDF file or click to browse and select the document you want to sign. Our system supports all standard PDF formats and works with files up to 50MB.

2

Add Online Signature

Use our signature tool to draw, type, or upload your online signature. Add annotations and highlights as needed. Position your signature exactly where you want it on the document.

3

Download & Share

Download your signed PDF instantly. Your document is ready to use and share with others. All online signatures and annotations are permanently embedded in the PDF.

Why Choose FreePDFSign?

Completely Free Forever

FreePDFSign is 100% free to use with no hidden fees, subscriptions, or limitations. All features are available at no cost.

No Registration Required

Start using FreePDFSign immediately without creating an account or providing personal information. Your privacy is protected.

Client-Side Processing

All PDF processing happens locally in your browser. Your documents never leave your device or get stored on our servers.

Cross-Platform Compatibility

Works seamlessly on Windows, Mac, Linux, iOS, and Android devices. No software installation required.

Professional Quality

Create professional-looking online signatures with high-quality output that maintains original formatting and readability.

Instant Results

Get your online signature PDF documents instantly. No waiting, no processing delays, just fast and efficient document signing.

Ready to Add Online Signatures to Your PDFs?

Join thousands of users who trust FreePDFSign for their online signature PDF needs. Start adding online signatures to PDFs today - it's free, secure, and easy to use.