Support
Quick answers for signing and sharing PDFs with Open Sign Send.
Open a PDF
Tap Choose File and select a PDF from Files. You can also use Open In or Share from another app and choose Open Sign Send.
Add a signature or stamp
Use the Signature or Stamp button, place the item on any page, then drag, resize, or rotate it until it looks right.
Remove an item
Select the signature or stamp and use Remove. This changes only your working copy.
Save and share
Tap Save / Share to create the signed PDF, then use the iPhone share sheet to send or save it.
A PDF will not open
Confirm that the file is a valid PDF, download it fully to Files, and try again. Password-protected or damaged PDFs may need to be unlocked or recreated first.