pdfSofo

How to sign a PDF on iPhone

Got a document to sign on the go? You can sign it on your iPhone in a couple of minutes, with no printing, scanning or app install.

Sign a PDF now

Step by step

  1. Open pdfsofo.com in Safari and tap Sign a PDF.
  2. Add the PDF from Files or Mail (save the attachment to Files first).
  3. Tap Create signature: draw with your finger, type your name in a handwriting style, or take a photo of your signature on paper.
  4. Drag the signature onto the line and resize it. Type into any form fields.
  5. Tap Share to send it back by Mail or WhatsApp.

Save your signature for next time

Your signature is kept in Safari on your phone only, so next time you just tap Place.

Free, no watermark, no sign-up, and your file never leaves your device.Sign a PDF now

Questions

Is a signature added this way legally valid?

It adds an image of your signature to the document, which is accepted for many everyday forms. For contracts with special requirements, check what the other party needs.