Signature Cleaner

Clean scanned signatures, adjust tone and paper removal, resize, and save a transparent PNG or JPG.

Upload image

Choose a file or drop it here

Click to browse your device.

Width (px)

Height (px)

Maintain aspect ratio

Print resolution (DPI)

Calculates physical print size only. Exported image files retain pixel dimensions and do not receive DPI metadata.

Background tolerance25

Edge softness18

Horizontal crop position50%

Vertical crop position45%

Brightness0

Contrast18

Transparent background (PNG)

Output format

Preview updates as you adjust the settings. Your files stay on this device.

Choose an image to preview the result.