Aadhaar Photo & Document Size
UIDAI Online Document Resizer
Resize Proof of Identity (POI) and Proof of Address (POA) documents and photos for Aadhaar demographic update on myAadhaar portal.
Upload Photo, Signature, or Thumb Impression
Drag and drop image here, or tap to browse from phone/PC
Your resized preview will appear here with live file size stats.
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Compare Official Form Specifications (2026)
Direct dimensions, pixel limits, and KB requirements for top Indian government and entrance exam forms.
| Exam / Application Portal | Photo Dimensions & Size | Signature Dimensions & Size | Thumb / Marksheet Rules | Quick Preset |
|---|---|---|---|---|
| SSC CGL / CHSL / MTS / GD | 3.5 × 4.5 cm (200 × 230 px) 20 KB to 50 KB JPG |
4.0 × 2.0 cm (140 × 60 px) 10 KB to 20 KB JPG |
White background, without spectacles or cap | |
| UPSC Civil Services / OTR | 3.5 × 4.5 cm (min 350 × 350 px) 20 KB to 300 KB JPG |
min 350 × 350 px 20 KB to 100 KB JPG |
Face must cover 75% of photo; name & date at bottom | |
| NSDL & UTI PAN Card | 213 × 213 px (300 DPI) Under 50 KB JPG |
400 × 200 px (300/600 DPI) Under 50–60 KB JPG |
Aadhaar PDF / Proof documents under 300 KB | |
| NEET UG & JEE Main (NTA) | 3.5 × 4.5 cm (Passport & Postcard) 10 KB to 200 KB JPG |
3.5 × 1.5 cm 4 KB to 30 KB JPG |
Postcard size: 4"x6" (10-200 KB); Fingers/thumb 10-200 KB | |
| IBPS / SBI PO & Clerk | 200 × 230 px (4.5 × 3.5 cm) 20 KB to 50 KB JPG |
140 × 60 px (Black ink only) 10 KB to 20 KB JPG |
Left Thumb Impression: 240 × 240 px (10 KB to 20 KB) | |
| Sarathi Driving Licence | 35 × 45 mm (Passport photo) 10 KB to 20 KB JPG |
35 × 15 mm 10 KB to 20 KB JPG |
Medical cert & documents PDF under 200 KB | |
| MPSC & Police Bharti | 3.5 × 4.5 cm (160 × 212 px) 20 KB to 50 KB JPG |
256 × 64 px 10 KB to 20 KB JPG |
Caste certificate & Non-Creamy Layer PDF under 250 KB |
📐 CM to Pixel & DPI Calculator
Need to convert centimeter or millimeter requirements to pixel dimensions? Use our formula-accurate calculator:
Frequently Asked Questions
Answers to common questions about aadhaar photo size and fixing upload validation errors.
Can I upload my own photo for Aadhaar update online?
No. UIDAI mandates that biometric photograph updates must be captured live with a webcam at an authorized Aadhaar Seva Kendra.
What is the size limit for Aadhaar address proof document?
The document must be in PDF, JPG, or PNG format and strictly under 2 MB.