Signature Sketch

What is Signature Sketch?

Create a professional-looking handwritten signature quickly and privately. This free tool runs entirely in your browser with no sign-up, no uploads, and no servers involved. Draw with your mouse, trackpad, or finger on mobile, then download a transparent PNG or PDF ready to insert into Word, Google Docs, or PDFs. You can adjust ink color and stroke thickness, add the signature to email footers, and keep everything local for maximum privacy.

Key features

• Create realistic handwritten signatures in seconds with a responsive canvas.
• Download signatures as transparent PNGs ready for Word or Google Docs.
• No sign-up or uploads; everything is processed locally in-browser.
• Mobile-optimized canvas lets you sign with a finger on smartphones.
• Choose ink color and stroke thickness to match your style.
• Export a PDF version for printable signatures and email footers.