P
Privatify.tools 100% In-Browser Utilities
100% Client-Side Processing • No Server Uploads

Sign PDF

Sign PDF documents securely in your browser. Draw your signature with a mouse or touchscreen, type a signature with cursive font, or upload a PNG. Position and resize it on any page with zero uploads.

Choose PDF to sign

Draw, type, or upload your signature directly in your browser. 100% private.

Key Features

  • Three signature creation modes: Draw, Type, or Upload PNG
  • Interactive canvas to position and resize signature on any page
  • 100% private: Sensitive contracts never touch a remote server
  • Touchscreen and stylus support for natural signatures
  • Instant download of signed PDF with zero account required
Our Privacy Commitment

Unlike traditional utility websites that upload your personal documents to cloud servers, Privatify Tools executes entirely inside your browser using WebAssembly and modern browser APIs.

Your files never leave your device, ensuring maximum confidentiality for contracts, financial statements, and personal photos.

Frequently Asked Questions

Is it safe to sign confidential contracts here? ▼

Yes, completely! The signature is merged into your PDF binary directly in your browser memory. Your contract is never transmitted over the internet.

Can I sign on a mobile phone or tablet? ▼

Yes! The drawing pad fully supports touch gestures so you can sign naturally with your finger or stylus.