Thumb Impression Resizer
Resize Thumb Print in KB for Online Forms
Resize left thumb impression (LTI) images to exact 240 × 240 pixels and 10 KB to 20 KB for IBPS, SBI PO, Railway RRB NTPC, NEET UG, and Police Bharti forms.
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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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 thumb impression resize and fixing upload validation errors.
Which thumb impression is required for exam forms?
Almost all Indian exams (IBPS, SBI, Railway, SSC, State PSC) require the candidate's Left Thumb Impression (LTI). If the left thumb is missing, specific guidelines apply for right thumb.
What is the exact IBPS thumb impression size?
Dimensions must be 240 × 240 pixels (3 cm × 3 cm at 200 DPI) and file size must be between 10 KB and 20 KB.