Signature resizer
UPSC signature resizer
UPSC's OTR portal accepts a signature between 20 KB and 300 KB. Get a file that clears the check on the first attempt.
File size
20–300 KB
Dimensions
350×350 px
Format
JPEG
Signature
350×350px · 20–300 KBHow it works
- Upload a scan or photo of your signature (JPG or PNG, any size).
- We center-crop to 350×350 px on a white background and tune JPEG quality until the file lands between 20 and 300 KB.
- Download and upload it straight to the form.
Everything runs on your device — your signature is never sent to a server.
Forms using this size
- UPSC Civil Services
- UPSC CDS
- UPSC NDA
- UPSC CAPF
Getting the scan right
- •UPSC's OTR is filled once and reused across exams — get the signature right the first time.
- •The signature must be handwritten, not typed or a digital font.
- •UPSC also asks for a photo with your name and the date printed on it — check the notification before you scan.
Frequently asked questions
- What is the signature size for UPSC?
- UPSC accepts a JPEG signature between 20 KB and 300 KB. This tool outputs a 350×350 px JPEG inside that range.
- Is my signature uploaded to a server?
- No. ShantiTools processes the image entirely inside your browser — the file never leaves your device.