How to resize a signature for an online form
Online forms often demand a signature at a specific pixel size and under a small file size. This tool resizes and compresses your signature image to fit those rules without uploading it.
Open the Signature ResizerStep by step
- 1
Open the Signature Resizer
Open the Signature Resizer tool.
- 2
Upload your signature
Use a clean scan or photo of your signature on white paper.
- 3
Set the required size
Enter the pixel dimensions and/or KB limit the form specifies.
- 4
Download
Download the resized signature ready to upload.
Frequently asked questions
What size should a signature be for forms?
It varies by form — commonly around 140×60 pixels and under 20 KB. Use the exact numbers your form states.
My signature has a grey background — can I fix it?
Scan on plain white paper for the cleanest result, or use the Blur/redact and crop tools to tidy the edges first.