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How to Sign a PDF on Mac
A cleaner way to sign PDFs on Mac — no Preview quirks, no Acrobat.
Quick steps
- Open Sign PDF. Go to pdfoncall.com/sign.
- Add your PDF. Drop the file in.
- Draw a signature. Draw in the signature pad with your mouse or trackpad.
- Place and download. Set its page number, X/Y coordinates and width, then download.
Why not Preview?
This browser tool embeds your drawing as an image in the PDF. It does not verify identity, create an audit trail or apply a digital-signing certificate.
Multiple signatures
The tool places one drawn signature per run. To add another, reopen the downloaded PDF. It does not manage multiple signers.