How to change a date in a PDF on your Mac

This guide is for correcting your own documents: a typo in a date, a deadline that moved, or a draft you are reissuing with updated terms. Only edit documents you are entitled to change, and never alter official records, receipts or statements. If a document someone else issued is wrong, ask them for a corrected copy.

It also assumes the date is real text in the PDF, the kind you can select in Preview with Tools > Text Selection. A date that is part of a scanned image is a different problem, and this guide doesn’t cover it.

The cleanest fix is often not to edit the PDF at all. If the PDF came from a Pages or Word document you still have, open that file, change the date, and make a new PDF. You get a file built from corrected text, with nothing layered on top.

• In Pages, choose File > Export To > PDF.
• From the app that made it, choose File > Print, open the PDF pop-up menu, then choose Save as PDF.
• Give the new file a name that makes it clear it replaces the old one.

Apple’s Preview guide is direct about this: you can’t edit the text of a PDF in Preview. What Preview offers instead are markup tools that add things on top of the page.

People sometimes combine these tools: redact the old date, then place a text box with the new one. That can look right on screen, but the new date is a box you placed, not a change to the PDF’s own text, and matching the font, size and position is up to you. Keep a copy of the original before you try it, because Apple notes that a redaction becomes permanent once you close the document.

• The Text tool adds a text box. You type in it, then drag it where you want.
• If the date sits in a form field, click the field and type. If the PDF won’t let you type into the form, Apple suggests adding a text box instead.
• The Redaction Selection tool removes selected text from view.

Nudocs is a document agent for your Mac. You can ask it to update a date in an existing PDF and save an edited copy, instead of adding a text box on top of the page.

Open the PDF, say which date to change and what it should become, and say what must stay the same. Be specific about the target: a proposal might show the same date in a heading, a table and a footer, so say whether you want one of them changed or all of them. Ask for a separate output so you can compare it with the original.

Layout preservation is not guaranteed, so always check the edited copy in context. Editing the PDF you supplied and generating a replacement document are different jobs; check which one you got and whether it fits your purpose.

Nudocs runs on Macs with Apple silicon and macOS 13 or later, and you need a Nutrient DWS account. The Mac app is free; document and AI services use DWS free allowances or paid usage. Depending on the task, your instructions and document content may be sent to AI providers and Nutrient services, so read the desktop Privacy Policy before you add files.