To resize a photo to 400×400 pixels, upload it below, crop to the locked 1:1 frame and tap Process — you get a 400×400 px JPG between 20 and 300 KB. 400×400 px equals 5.08 × 5.08 cm at 200 DPI.
⚡ 400×400 px Resizer● 100% private · in your browser
400×400 pixels in cm and inches
| DPI | Centimetres | Inches |
|---|---|---|
| 96 DPI | 10.58 × 10.58 cm | 4.17 × 4.17 in |
| 200 DPI | 5.08 × 5.08 cm | 2.00 × 2.00 in |
| 300 DPI | 3.39 × 3.39 cm | 1.33 × 1.33 in |
Exams that require 400×400 px
| Exam | Document | File size |
|---|---|---|
| UPSC | Photo | 20–300 KB |
| UPSC | Signature | 20–100 KB |
| UPSC IES / ESE | Photo | 20–300 KB |
| UPSC IES / ESE | Signature | 20–100 KB |
| UPSC Geo-Scientist | Photo | 20–300 KB |
| UPSC Geo-Scientist | Signature | 20–100 KB |
| UPSC CAPF AC | Photo | 20–300 KB |
| UPSC CAPF AC | Signature | 20–100 KB |
| UPSC NDA | Photo | 20–300 KB |
| UPSC NDA | Signature | 20–100 KB |
| UPSC CDS | Photo | 20–300 KB |
| UPSC CDS | Signature | 20–100 KB |
FAQs
How do I resize a photo to 400×400 pixels?
Upload it in the tool on this page. The crop box is locked to 400:400; tap Process and the image is saved as a 400×400 px JPG within 20–300 KB. You can change the KB range in the tool.
What is 400×400 pixels in cm?
It depends on DPI: 10.58 × 10.58 cm at 96 DPI, 5.08 × 5.08 cm at 200 DPI and 3.39 × 3.39 cm at 300 DPI. Exam portals check pixels, not cm.
Is 400×400 width × height or height × width?
Width first: 400 px wide and 400 px tall (a square image).
Which exams need a 400×400 photo?
UPSC photo (20–300 KB), UPSC signature (20–100 KB), UPSC IES / ESE photo (20–300 KB), UPSC IES / ESE signature (20–100 KB), UPSC Geo-Scientist photo (20–300 KB), UPSC Geo-Scientist signature (20–100 KB), UPSC CAPF AC photo (20–300 KB), UPSC CAPF AC signature (20–100 KB), UPSC NDA photo (20–300 KB), UPSC NDA signature (20–100 KB), UPSC CDS photo (20–300 KB), UPSC CDS signature (20–100 KB).
Other popular sizes
Need a different size? Use JPG resize to set any width, height and KB.
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