Signature Maker & Cleaner
Create a clean transparent signature from an image or draw your signature directly.
Upload your handwritten signature
Drag & drop or click to select file (PNG, JPG, WEBP)
How It Works
Create a transparent signature in 3 simple steps
Upload or Draw
Upload a photo of your signature on paper, or draw directly on the canvas using your mouse or finger.
Auto Clean & Recolor
Click 'Auto Clean' to remove paper backgrounds automatically and change ink color to Black, Blue, or Dark Blue.
Download Transparent PNG
Download your high-resolution transparent PNG signature to place onto PDFs, invoices, and documents.
Frequently Asked Questions
Everything you need to know about Signature Making & Cleaning
How can I create a digital signature image?
You can either upload a photo of your handwritten signature on paper or draw your signature directly on the canvas using your mouse, stylus, or finger.
Can I remove the background from my signature?
Yes! Click 'Auto Clean & Crop' or adjust the background removal slider to remove white or off-white paper backgrounds automatically.
Can I create a transparent signature?
Yes. By default, ToolJi exports your signature as a transparent PNG so you can place it seamlessly onto PDFs, letters, and invoices.
Can I draw my signature online?
Yes. Switch to 'Draw Signature' mode to draw with adjustable pen sizes and ink colors.
Can I change my signature color?
Yes! You can change your signature color to Black, Blue (#003399), Dark Blue (#0A2540), or custom hex colors while keeping the background transparent.
Does ToolJi store my signature?
No. 100% of the signature image processing happens locally inside your browser. No files are uploaded to any server.
Is this signature legally binding?
This tool creates an image representation of a handwritten signature for use in documents and designs. It is not a digital-signature certificate (DSC) or electronic signature service.