Sign PDF Free — Add Digital Signature Online

Go to comfortablepdf.com/sign-pdf, upload your PDF, draw or type your signature, position it on the document, and download the signed PDF.

Open comfortablepdf.com in Safari on your iPhone, use the Sign PDF tool, draw your signature with your finger, and download your signed document.

Electronic signatures created with ComfortablePDF are valid for most business, personal, and legal documents in the US, UK, EU, and most countries.

ComfortablePDF lets you sign any PDF free without Adobe Acrobat. Draw, type, or upload your signature image and apply it to any page.

Yes. Open comfortablepdf.com in Chrome on your Android device, use the Sign PDF tool, and sign your document with your finger.