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PDF42 / PDF signatures

Make your mark on a PDF

Keep signatures and stamps close to your work. Add a visual signature, reuse a stamp or work with certificate-based digital signatures in PDF42.

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PDF42 — PDF signatures
Screenshot on macOS. Sample documents, fictional companies.

What you can do

PDFs, with possibilities.

From open to done

  1. 01

    Open the document and choose the signature tool.

  2. 02

    Select a visual mark or a digital-signature workflow.

  3. 03

    Save and check the result in your recipient's PDF software.

A few useful answers

Are visual and digital signatures the same?

No. A visual signature is a mark on the page. A digital signature uses a certificate to help detect document changes and identify the signer.

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Free, open source and made for your Mac.

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