Sign PDF Online Free
DocFills lets you sign any PDF document online for free. Upload your file, create or draw your signature, place it on the page, and download the signed PDF — all in your browser with no account required.
How it works
- 1
Upload your PDF
Open the document you need to sign from your computer.
- 2
Create your signature
Draw, type, or upload an existing signature image using the built-in signature pad.
- 3
Place and download
Drag your signature to the right spot on any page, then download the signed PDF.
Frequently asked questions
How do I sign a PDF for free?+
Open DocFills Sign PDF, upload your document, create your signature, place it where needed, and download. The entire process is free with no signup.
Is an electronic signature on a PDF legally valid?+
Electronic signatures are legally recognized in the U.S. under the ESIGN Act and in the EU under eIDAS for most business and personal documents. Always confirm requirements for your specific document type.
Does signing happen on your servers?+
No. PDF signing runs entirely in your browser. Your document and signature never leave your device.
Can I sign on mobile?+
Yes. DocFills works in mobile browsers. Draw your signature with your finger or stylus on a phone or tablet.
Can I reuse my signature?+
Yes. Create your signature once with our E-Signature Generator, save it as a PNG, and upload it whenever you sign a new PDF.