Resize Your Signature for an Online Form
Application portals often ask for a signature image under 10–20 KB. Add a photo or scan of your signature and get a file that fits.
Your files are processed in your browser and are not uploaded.
How to use Signature for Online Forms
- Crop the photo so only the signature is left (use Crop Image if needed).
- Add it here and set the target size your form asks for.
- Process, download and upload the JPG.
About Signature for Online Forms
For the clearest result, sign in dark ink on plain white paper, photograph it in good light and crop tightly around the signature before compressing. The target is set to 20 KB; change it if your form asks for a different limit or check its required dimensions.
- Files stay on your device – nothing is uploaded
- Free, with no sign-up and no watermark
- Works on several images at once where the tool allows it
Frequently asked questions
What size should a signature image be?
It depends on the form. Many ask for a JPG under 10–20 KB; always follow the instructions on the portal.
How do I keep the signature readable?
Crop tightly and use dark ink on white paper before compressing.
Is my signature uploaded to your server?
No. It is processed only in your browser.
Need different settings?
This page is a preset. You can change every option above, or open the full tool: Compress to Target Size →