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Free
How to scan multiple pages into one PDF on iPhone
Scan every sheet into one document, then share it as a single PDF.
FreeHow to scan receipts on your iPhone and keep them organized
Make sharp, filed copies of paper receipts and send them to whoever needs them.
ProHow to sign a document on your iPhone with your finger
Draw or photograph your signature once, then place it on any document.
ProHow to copy the text from a scanned document on iPhone
Read a page and copy its text, on the phone and without internet.
ProHow to merge PDF files on iPhone
Join several documents into one PDF, in the order you choose.
ProHow to extract pages from a PDF on iPhone
Make a new document from the pages you pick, and keep the original.
ProHow to add a watermark to a PDF on iPhone
Stamp your own text across every page of a document.