Free · No sign-up · Files stay on your device

How to sign a PDF

  1. Select the PDF to sign.
  2. Draw, type or upload your signature, then click where it goes and resize it.
  3. Click Sign PDF and download.

Private by design

Sign PDF runs entirely in your browser. Your file is processed on your own device and is never uploaded, so it stays private. It’s free, with no sign-up and no watermark.

Frequently asked questions

Is this a legally valid signature?

It adds an image of your signature, which many everyday agreements accept. It isn’t a certificate-based digital signature (such as DSC for government filings).

Can I add the date too?

Yes. Use Add text to type the date next to your signature.

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