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Sign PDF files

Create and apply your signature directly on PDF files with PDFTool. Sign with confidence knowing no data leaves your device – all processing done in your browser.

1.Select a PDF

2.Draw your signature

3.Position your signature

Waiting for the previous steps

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Works without installation!

PDFTool lets you sign PDF files directly in your browser. You do not need to install a application or upload the files.

How does this work?

We apply your signature to the PDF file directly in the browser, this ensures your files stay private. PDF signing in the browser is available for all systems like Windows, Mac and Linux as well as Android, iOs and iPad Devices.

Can I sign PDF files without internet?

Yes! Open PDFTool, select sign and deactivate your internet connection - the application works fully offline.

How to sign PDF files online?

  1. Add a document by pulling it into the drop area or by clicking on the area.
  2. After adding the file, click on "Draw signature" and draw your signature in the designated field.
  3. Drag the signature to the desired position and click "Add signature".
  4. Save your new PDF by clicking the button below.

Privacy-First

This PDF signing tool allows you to securely modify PDF files without an internet-connection. You can turn off your Internet-Connection and still sign PDF files locally.

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