Railways · 2024
RRB NTPC Photo Size: 3.5×4.5cm, 30-70KB Guide
RRB NTPC photo size 2024: 3.5×4.5 cm (413×531 px), 30-70KB, JPG, white background. Signature 30-70KB in black ink. Free browser resizer; zero upload.
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- Free, no daily limits
- 1Add your file
- 2Choose settings
- 3Download
413×531 px
Photo Size
30–70 KB
File Size
JPG
Format
White
Background
Free RRB NTPC Photo Resizer Tool
RRB NTPC Photo Size Requirements
RRB NTPC photo size requires 3.5×4.5 cm (413×531 pixels at 300 DPI) in JPG format between 30KB and 70KB, officially revised by Corrigendum-I to CEN 05/2024. The signature requires 140×60 pixels, 30-70KB, in black ink. Both files are submitted on the rrbapply.gov.in portal.
Check your files against railway requirements using our free document checker with the Railway Photo preset before applying.
How RRB NTPC differs from RRB Group D: Both exams operate under the unified rrbapply.gov.in portal and share identical photo and signature specifications (30-70 KB JPG photo, 30-70 KB black-ink signature, and 500 KB PDF SC/ST pass for RRB Group D).
Measured test run: Processing our synthetic portrait candidate (samples/b08/passport-photo-candidate.jpg, 1,903,047 bytes, 1920×2560 px) through the RRB NTPC preset produced 413×531 px at 55,812 bytes (54.5 KB) with 97.9% quality, landing perfectly within the 30-70 KB window.
| Photo Dimensions (pixels) | 413 × 531 px |
|---|---|
| Photo Dimensions (cm) | 3.5 × 4.5 cm |
| Photo Dimensions (inches) | 1.38" × 1.77" |
| Photo File Size | 30 KB – 70 KB |
| Photo Format | JPG |
| Background | White |
| Resolution | 300 DPI |
| Signature Dimensions | 140 × 60 px |
| Signature Dimensions (cm) | 5 × 2 cm |
| Signature File Size | 30 KB – 70 KB |
| Signature Format | JPG |
| Conducted By | Railway Recruitment Board (RRB) |
How to Resize Photo for RRB NTPC: 3 Steps
- 1Upload Photo: Click the upload area above and select your passport-size photo. JPG, PNG, and HEIC formats are all accepted.
- 2Auto-Resize: Click "Resize to RRB NTPC Specs". The tool automatically resizes your photo to the exact pixel dimensions and compresses it to the required KB range.
- 3Download: Click Download to save your resized photo. Upload it directly to the RRB NTPC application portal.
Common Mistakes to Avoid for RRB NTPC
- Uploading photo or signature files under 30KB (the rrbapply.gov.in portal rejects files below 30KB).
- Signing in capital or block letters, which causes immediate disqualification under official CEN rules.
- Signing with blue ink or pencils instead of black ballpoint pen.
- Wearing white shirts against a white background during live capture causing automated facial edge detection failure.
Frequently asked questions: RRB NTPC photo size
What is the RRB NTPC photo size in KB and pixels 2026?
RRB NTPC photo must be 3.5×4.5 cm (413×531 pixels at 300 DPI) in JPG format, with file size between 30KB and 70KB.
What changed in Corrigendum-I of RRB NTPC CEN 05/2024?
Corrigendum-I officially revised the photo file size to 30-70 KB (from 20-50 KB) and the signature file size to 30-70 KB (from 10-40 KB).
Why does the Railway Recruitment Board mandate black ink for signatures?
Black ink provides high optical contrast necessary for automated high-speed scanning during CBT attendance verification and document scrutiny.
What is the maximum file size for the SC/ST railway travel pass certificate?
The SC/ST certificate for free railway travel pass must be uploaded in PDF format with file size up to 500KB.
Can I use the same photo for RRB NTPC Graduate and Undergraduate posts?
Yes, candidates can use the same photograph across both Graduate (CEN 05/2024) and Undergraduate (CEN 06/2024) applications.
Related Tools
Disclaimer: Always verify the exact specifications from the official notification at indianrailways.gov.in or rrbapply.gov.in before submitting. Photo and signature requirements are subject to change with each recruitment notification. This page is for informational purposes only. Always refer to the official notification at https://indianrailways.gov.in before submitting your application.