How to Sign a PDF on iPhone

Updated for 2026

Need to sign a contract on your iPhone? Stamp a signature onto the PDF with a browser tool.

Quick answer: open the sign tool in Safari, add the PDF, place your signature image, and save.
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Steps

  1. Open the sign tool in Safari.
  2. Add your PDF.
  3. Upload or draw your signature, then drag it onto the page.
  4. Download the signed file.

FAQ

Can I type instead of sign?

You can place a typed name, but a signature image looks more official.

Is it legally valid?

A stamped signature is widely accepted for informal agreements; check local rules for formal docs.