Transparent Signature Maker

Draw your signature or upload one on a light background — get a transparent PNG ready to paste into contracts, PDFs and emails.

Draw your signature with mouse, finger or stylus

What is this transparent signature maker?

Browser-based tool that turns drawn or photographed signature into transparent PNG.

How do I make a signature with a transparent background online?

Draw or upload signature, adjust threshold, click Make transparent, download PNG.

Key features

Draw or upload
Sign or upload photo
Adjustable threshold
Control background removal
Soft edges
Anti-aliased borders
Clipboard
Copy directly to Word/PDF

How to use it

Draw or upload signature, adjust threshold slider, click Make transparent, download or copy.

Frequently asked questions

Uploaded?

No - fully local

Threshold value?

Start at 230

Stylus support?

Yes - touch/pointer events

Use in contracts?

Yes - copy or download

Canvas API + per-pixel brightness threshold = real alpha PNG.