Signature Generator is a free online tool that lets you draw signatures with mouse or touch. Save as transparent PNG for direct insertion into documents.
How to use Signature Generator?
Draw your signature on the canvas with mouse or touch.
Adjust line thickness and color.
Download as transparent PNG.
Frequently asked questions about Signature Generator
Can I use the generated signature on legal documents?
This tool is suitable for informal documents, emails, and designs. For legally binding electronic signatures, use a certified e-signature service.
Can I save with a transparent background?
Yes, signatures are saved as transparent PNG by default. This is useful for overlaying signatures on documents or images.
My mouse-drawn signature does not look like my real handwriting.
A mouse is moved from the whole arm rather than the wrist, so it never produces the quick short curves that make handwriting look like handwriting. On a laptop, drawing with a finger on the trackpad is far more natural, and a finger or stylus on a phone or tablet comes closest to the real thing. Open this page on your phone, sign there, and save the result as a PNG — you can keep reusing that file on the computer afterwards.
How do I put the signature image into a PDF contract?
Save it as a PNG with a transparent background, then place it where you need using a PDF editor or the signature feature in a preview app. An image with a white background will cover the document's lines and table borders, so transparency matters. Be aware, though, that a pasted picture is not the same as an electronic signature in law; if the other party needs identity verification and tamper evidence, you need a certified e-signature service.
How to get the most out of Signature Generator?
Export a transparent PNG so the signature drops onto a PDF without a white box behind it.
A trackpad or stylus gives a far smoother line than a mouse — draw slowly and in one stroke.
Under the US ESIGN Act a drawn image counts as a simple electronic signature; regulated deals may need a certificate.