Is 100 KB a normal signature size?

It is on the larger side. Most Indian exam portals cap signatures at 20–50 KB; 100 KB is common on university and bank forms.

Is my signature uploaded to a server?

No. ShantiTools processes the image entirely inside your browser — the file never leaves your device.

Signature resizer

For portals with a generous 100 KB ceiling — keep maximum detail while staying inside the limit.

File size

40–100 KB

Dimensions

600×200 px

Format

JPEG

600×200px · 40–100 KB

Choose signatureJPG or PNG · Runs on your device

Upload a scan or photo of your signature (JPG or PNG, any size).
We center-crop to 600×200 px on a white background and tune JPEG quality until the file lands between 40 and 100 KB.
Download and upload it straight to the form.

Everything runs on your device — your signature is never sent to a server.

•A 100 KB limit means you rarely need to compress hard — the main job is hitting the right pixel dimensions.
•If the portal also caps dimensions, check them before uploading; KB is only half the rule.

Is 100 KB a normal signature size?: It is on the larger side. Most Indian exam portals cap signatures at 20–50 KB; 100 KB is common on university and bank forms.
Is my signature uploaded to a server?: No. ShantiTools processes the image entirely inside your browser — the file never leaves your device.