Sign PDF

Add a signature to a PDF document

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4.9 (1,599 votes)
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How to sign a PDF

Select the file you want to sign. Create a signature with the given possibilities. Place the signature. Create and save the signed PDF.

Create a signature

You can create a signature in different ways. Everything is included, from creation via mouse or touchpad, upload as image or creation via camera.

Ease of use

PDF24 makes it as easy and fast as possible to sign files electronically. You don't have to install or set anything, just sign your file here.

Supports your system

There are no special requirements for signing files on your system. This app works with all common operating systems and browsers.

No installation required

You do not need to install any software. This app runs on our servers in the cloud and your system does not require any special requirements.

Security is important to us

This signature tool does not store your files on our server for longer than necessary. Your files will be removed from our system after a short time.

Developed by Stefan Ziegler

What others are saying

Thank you for this useful tool. I can now finally fill in, sign and send documents, without printing and scanning.
A really great tool. Signatures can be created quickly and signing documents electronically is really very easy.

Questions and Answers

How can I sign a PDF?

  1. Use the file selector at the top of the page to choose the PDF you want to sign.
  2. Import your signature and then click on it to add it to the PDF.
  3. Drag the signature to the correct position and resize it to the correct size.
  4. Create and save the signed PDF using the appropriate buttons.

Is it secure to use PDF24 Tools?

PDF24 takes the protection of files and data very seriously. We want our users to be able to trust us. Security aspects are therefore a permanent part of our work.

  1. All file transfers are encrypted.
  2. All files are automatically deleted from the processing server within one hour after processing.
  3. We do not store files and do not evaluate them. Files will only be used for the intended purpose.
  4. PDF24 is operated by a German company, Geek Software GmbH. All processing servers are located in data centres within the EU.
  5. Alternatively, you can get a desktop version of the PDF24 tools with the PDF24 Creator. All files remain on your computer here, as this software works offline.

Can I use PDF24 on a Mac, Linux or Smartphone?

Yes, you can use PDF24 Tools on any system with which you have access to the Internet. Open PDF24 Tools in a web browser such as Chrome and use the tools directly in the web browser. You do not need to install any other software.

You can also install PDF24 as an app on your smartphone. To do so, open the PDF24 Tools in Chrome on your smartphone. Then click on the "Install" icon in the upper right corner of the address bar or add PDF24 to your start screen via the Chrome menu.

Can I use PDF24 offline without an Internet connection?

Yes, Windows users can also use PDF24 offline, i.e. without an Internet connection. Simply download the free PDF24 Creator and install the software. The PDF24 Creator brings all PDF24 tools to your PC as a desktop application. Users of other operating systems should continue to use PDF24 Tools.

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