Thumb Impression Size Guide for Official Documents
Different government portals require different thumb impression sizes. Our tool supports all common sizes and
KB requirements used in India's official forms.
| Form / Exam |
Dimensions |
File Size |
Format |
| UPSC / SSC CGL |
200 × 200 px |
10–30 KB |
JPG |
| Aadhar / PAN / NSDL |
600 × 600 px |
20–30 KB |
JPG/PNG |
| Railway RRB / NTPC |
450 × 450 px |
10–15 KB |
JPG |
| IBPS / Bank Exams |
200 × 200 px |
10–50 KB |
JPG |
| OJAS Gujarat / GPSC |
300 × 300 px |
20–50 KB |
JPG |
How to Use the Thumb Impression Resizer
- Upload your thumb impression scan or photo
- Crop tightly around the thumb area
- Optionally enhance brightness/contrast for clarity
- Set required dimensions and KB target
- Download the processed image in JPG or PNG
Official Document Thumb Impression – Size Guide
UPSC, SSC, Railway, Aadhar, PAN — દરેક form ની અલગ thumb impression size requirement. અમારો tool
automatically crop, enhance, and exact KB target hit કરે.
| Form / Exam |
Dimensions |
File Size |
Format |
| UPSC / SSC CGL |
200 × 200 px |
10–30 KB |
JPG |
| Aadhar / PAN |
600 × 600 px |
20–30 KB |
JPG/PNG |
| Railway RRB |
450 × 450 px |
10–15 KB |
JPG |
| OJAS Gujarat |
300 × 300 px |
20–50 KB |
JPG |
Official Document Thumb Impression – Size Guide
UPSC, SSC, Railway, Aadhar, PAN — हर form की अलग thumb impression size requirement। हमारा tool automatically
crop, enhance, और exact KB target hit करता है।
| Form / Exam |
Dimensions |
File Size |
Format |
| UPSC / SSC CGL |
200 × 200 px |
10–30 KB |
JPG |
| Aadhar / PAN |
600 × 600 px |
20–30 KB |
JPG/PNG |
| Railway RRB |
450 × 450 px |
10–15 KB |
JPG |
| OJAS Gujarat |
300 × 300 px |
20–50 KB |
JPG |