The esign.website blog

Guides on e-signature law, signing PDFs and choosing a signing tool.

Get someone to sign a PDF online, free

Two free ways to get a signature back without printing or scanning: send the PDF and let them sign it, or send a signing link and get back a signed copy with a certificate page.

How to sign a PDF on Windows: three free ways

Windows has no Preview, but you are not stuck. Here is what Microsoft Edge can do, when Acrobat Reader is worth the install, and the no-install option.

How to sign a PDF on Android (without printing it)

Most Android phones have no built-in PDF signer. Here is what does work, whatever phone you have.

How to sign a PDF on iPhone or iPad (no app needed)

Your iPhone can already sign a PDF. Here is the built-in way, the browser way, and which one to use when.

How to sign a PDF on a Mac: two free ways

Preview can sign a PDF in under a minute. Here is exactly how, and the situations where it starts to get in the way.

How to sign a PDF without uploading it anywhere

Most online signing tools copy your document to their servers first. Here is how to sign one that never leaves your device — and how to check that for yourself.

Are electronic signatures legally binding in 2026? A clear guide

ESIGN, UETA, eIDAS, and what they actually mean for the contracts you sign every day.

How to sign a PDF without printing it (the 30-second method)

Skip the printer, the scanner, and the photo of your signature on a napkin. Here is the modern way.

The 5 best free DocuSign alternatives in 2026, compared

Honest comparison of the major free and freemium e-signature tools — what they offer, what they don't, and what they actually cost.