Turn a phone photo of your signature into a clean, white-background scan.
Adjust settings to match exactly what you need
Files are never uploaded to a server — processed in your browser
No limits, no payment, ever
Sign on plain white paper with a dark pen and take a photo in daylight, or upload a scan.
The paper becomes pure white and the ink darker automatically. Adjust the strength or pick black/blue ink.
Tap Auto-crop to trim around the signature, or drag the box yourself.
Download as PNG (transparent background option) or JPG. Use the Exam Photo Resizer to fit a specific exam's KB limit.
Signatures photographed on a phone usually have grey paper, shadows and faint ink — and forms reject them as unclear. Signature Cleaner estimates the paper's lighting, removes it, and redraws the ink crisp and dark.
Yes — it only removes the paper background and shadows; the shape of your signature is not changed. It is the same as scanning it properly.
Yes. Choose PNG with transparent background — useful for adding your signature to documents. Most exam forms need JPG with a white background instead.
Increase the Clean strength. For best results, sign again with a darker pen and photograph in daylight.
No. Everything happens in your browser.