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curlytab / Signature Resizer / Resize Signature to 20 KB

Your autograph, exactly to spec.

Resize Signature to 20 KB

Many online forms want a signature under 20 KB, often between 10 and 20 KB. Upload a photo of your signature: it's cropped, cleaned to dark ink on white, and saved as a JPG that fits. The maximum is already set to 20 KB.

Clean up
Size

Exact sizes leave white space around the signature instead of stretching it.

Drop a photo of your signature

or , or paste with Ctrl+V

Sign on plain white paper with a dark pen · nothing is uploaded

How to use the Resize Signature to 20 KB

  1. Sign on white paper with a dark pen and take a clear photo.
  2. Drop the photo in. It's cropped and cleaned automatically.
  3. If the form gives dimensions, like 140 × 60 pixels or 3.5 × 1.5 cm, set them under Size.
  4. If there's a minimum too, like 10 KB, type it in. Then click Download signature.

Hitting 10–20 KB

The resizer saves the best JPG quality that stays under 20 KB. A clean signature is mostly white, so at small sizes like 140 × 60 pixels the file can come out at only a few KB. If your form has a minimum, either make the dimensions a little larger, or tick pad it with blank data, which brings the file up to the minimum without changing the picture.

The page shows the final size in KB before you download, so you can check it against the form.

Frequently asked questions

How do I make my signature between 10 and 20 KB?

Type 10 as the minimum and 20 as the maximum. If the result is under 10 KB, tick the padding option or make the size larger.

What dimensions should I use?

Use the size printed on the form's instructions. If none is given, the cropped size is usually fine.

Is my signature uploaded?

No. Everything happens in your browser.