eSign PDF

Sign documents with an electronic signature

How to sign a PDF with an electronic signature

Select or drag and drop the PDF file into the drop area above. Next, create your electronic signature by using your touchpad or mouse. When complete, apply it to the desired place on your document by using the preview tool.

Safe online signatures

All connections and file transfers are secured with a 256-bit SSL encryption. This military grade security guarantees the privacy of your files and online signatures. All files are automatically erased after 1 hour from our servers.

Works on all operating systems

The Smallpdf eSign PDF tool is functional with any internet browser, so it does not matter if you are using Windows, Mac, or Linux. No installation is necessary.

Faster signing as a Pro user

Pro users are able to reuse the electronic signature they created. No need to generate a new signature each time you sign a document.

Signing documents made easy

This is the #1 free PDF signature app. Simply upload your file, create your electronic signature, and apply it to the document in less than 60 seconds.

Cloud-based e-signatures

The complete signing process takes place on our servers and does not take any resources from your computer or electronic device. No need to install a signature app or a software.