Forms and signing

How to Sign an ebook PDF

Updated 2026-09-17 · 2 min read

The usual reason to sign an ebook PDF is a title page, price or copyright year that needs refreshing.

Signing in the browser replaces the print-sign-scan cycle and produces a far sharper document than a photographed page.

PDFfont edits PDF text in the document's own embedded font — no white cover boxes.

Edit a PDF

Steps to sign an ebook PDF

Open the PDF and create a signature — draw it, type it, or upload a photo of one on white paper.

Drop it onto the signature line and drag to size it against the surrounding text.

Add a date, printed name and initials wherever the document asks for them.

Flatten the file so the signature cannot be moved, then save and send.

What to watch out for on an ebook

With this kind of document, body text is set in a single embedded family, which edits cleanly.

One caution worth stating plainly: respect the licence of any book you did not write.

Why the result holds up

Keep an unflattened copy for yourself in case a detail needs correcting later.

Frequently asked

Is an electronic signature valid?

For most commercial agreements in the UK, EU and US, yes. Certain deeds have extra requirements.

Can I sign on a phone?

Yes, drawing on a touchscreen usually gives the most natural line.

Can I sign an ebook PDF on a phone?

Yes. The editor runs in mobile Safari and Chrome, with touch-sized controls and a share sheet for saving the finished file.

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