Is Preview's signature legally binding?

A Preview signature is a simple electronic signature, valid under the U.S. ESIGN Act and eIDAS basic-signature level — fine for the vast majority of contracts. For advanced or qualified signatures (certain regulated documents), use a dedicated trust service provider.

Can I edit a scanned PDF on Mac?

macOS Sequoia (15) added system-wide OCR for selecting text in images, but not for editing it. Run OCR PDF to make a scanned PDF searchable, then use Preview or PDFWix to overlay corrections — true in-place editing of scanned text still requires retyping.

How to Edit a PDF on Mac

A simple step-by-step guide to edit a pdf on Mac using PDFWix's free online tools.

How it works

Open the PDF in Preview — Double-click the PDF in Finder so it opens in Apple Preview.
Show the Markup toolbar — Click the Markup icon (pen tip in a circle) or choose View > Show Markup Toolbar.
Pick a Markup tool — Choose Text, shapes, freehand, or signature from the Markup toolbar.
Place and style the edit — Click on the page to place, drag to position, use the side handles to resize.
Save the edited PDF — Press ⌘S to save, or File > Duplicate first to keep the original untouched.

Frequently asked questions

Can I edit a PDF on Mac without paying for Acrobat?

Yes — for annotation, text boxes, shapes, signatures, and rearranging pages. Apple Preview does all of that for free and is genuinely good. For editing existing PDF text in place (changing words inside an original paragraph), no free Mac tool — including PDFWix — can do it. That requires Acrobat Pro (9.99/month) or…

Does Apple Preview edit PDF text?

No. Preview can add new text boxes on top of a PDF and rearrange or rotate pages, but it cannot click into the original text and retype it. PDFWix has the same limitation. In-place text editing is an Acrobat Pro / PDF Expert feature on macOS.

Should I use Preview or PDFWix to edit a PDF on my Mac?

Preview, almost always. It's free, native, has trackpad signature capture, and syncs Markup annotations from iPad. Use Edit PDF when Preview is restricted on a managed Mac, when you want the edits flattened into the page, or when working on a Mac where you don't have your saved signatures.