Sign PDF Document

Securely sign your PDF documents directly in the browser. No uploads, no waiting.

Sign PDF Documents Online

Printing, signing, and scanning documents is a thing of the past.UnitMaster eSignature provides a seamless, secure, and free way to sign your contracts, agreements, and forms directly in your browser.

Frequently Asked Questions

Is it safe to sign PDFs online?

Yes. Our eSignature tool processes your files 100% locally in your browser. Your confidential documents are never uploaded to a server, ensuring maximum privacy and security.

Can I create a digital signature for free?

Absolutely. You can Draw your signature with a mouse or touchpad, Type it to generate a cursive signature, or Upload an image. There are no hidden fees or limits for basic signing.

How do I add a date to my signature?

Simply click the Date button in the toolbar. It will automatically generate a stamp with today's date that you can place anywhere on the document.

More Information

Supported Formats

We support all standard PDF documents. You can sign contracts, invoices, lease agreements, and more.

Device Compatibility

UnitMaster works on Mac, Windows, Linux, and even mobile device browsers.

Privacy Dashboard

Processing ModeOffline Ready
Client-Side (WASM)

Calculations happen locally. No data sent to servers.

Network Requests
DESTINATION
STATUS
AnalyticsAllowed
AdSenseAllowed
File UploadsNone

Incognito Mode

Sign PDF Online - Free Electronic Signature Tool | UnitMaster | UnitMaster PDF Tools