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PerfectUpload

Signature Cleaner

From a phone photo to a crisp, scan-quality signature in seconds. Shadows and paper colour removed, sized for your form.

Files never leave your device Instant Free, no sign-up

Ink colour, background, cleanup
Ink colour
Background
Cleanup strength45

Raise it if grey patches remain. Lower it if thin strokes disappear.

Result

Your file will appear here.

How to use it

  1. Sign on plain white paper with a black or blue pen.
  2. Take a photo from directly above in good light and upload it.
  3. Zoom so only the signature is in the frame.
  4. Pick an output size, adjust cleanup strength if needed, and download.

Signature sizes for common forms

  • IBPS and SBI: 140 × 60 px, 10–20 KB.
  • SSC: about 6.0 × 2.0 cm, 10–20 KB.
  • OCI card: 1:3 ratio (height to width), up to 500 KB.
  • NEET and JEE: 10–100 KB.

Always confirm the current size in your official notification.

Frequently asked questions

Why does my signature look grey or have shadows?

Phone cameras capture the paper's colour and the shadow of your hand or phone. The cleaner measures the paper brightness across the whole photo and removes it, so only the ink remains on pure white.

Can I get a transparent signature for signing PDFs?

Yes. Choose Auto size, then Transparent (PNG). You can place that image on PDFs, letters and documents.

Which pen works best?

A black gel or ball-point pen on plain white paper gives the cleanest result. Avoid lined or coloured paper.

Is my signature stored anywhere?

No. The image is processed in your browser and is never uploaded, which matters for something as sensitive as a signature.