RRB NTPC photo & signature size
The upload requirements for the RRB NTPC application — and free tools that produce exact-size files without uploading anything to a server.
Photo
- File size
- up to 50 KB
- Dimensions
- 35 × 45 mm
- Format
- JPEG
- Background
- light
Signature
- File size
- up to 50 KB
- Format
- JPEG
How to prepare your files for RRB NTPC
- 1Crop to 35×45 mm with Passport Photo Maker.
- 2Compress under 50 KB with UploadReady.
- 3Prepare the signature JPEG under 50 KB with Signature Optimizer.
Specs reflect the RRB application portal specification, verified for the 2025 cycle. Requirements can change with each notification — always confirm against the current official notice before submitting. Report a change.
Frequently asked
What photo size does RRB NTPC need?
RRB portals typically ask for a JPEG photo up to 50 KB at 35×45 mm, plus a JPEG signature. Limits vary slightly between notifications — check yours.