RRB NTPC Signature Resizer & Compressor
Format, crop, and resize your scanned image file to fit the exact RRB NTPC portal specifications automatically. All calculations and quality compressions are performed locally in your browser for 100% privacy.
Official Signature Guide
Sign in a box of 3cm x 1.5cm on white paper using black pen.
Official Information & Disclaimer
Links and source verification dates.
This app is a client-side resizing tool and is not affiliated with any government body, the RRB NTPC commission, or its testing partners. Always review the official exam information bulletin to ensure sizes, aspect ratios, and backgrounds have not changed before submitting your application.
Resizing Workspace (Presets Loaded)
Official presets for RRB NTPC signature are loaded. Width: 140px, Height: 60px, File size: 10-30 KB.
Sizing Instructions
- Sign inside a box of 3.0 cm x 1.5 cm on clean white paper using a black or dark blue pen.
- File size: typically 10 KB to 30 KB (or 30-70 KB per active CEN notice) in JPG/JPEG format.
- Sign in regular running handwriting only; capital letters will be rejected.
Common Mistakes to Avoid
Frequently Asked Questions (FAQ)
Q.What is the signature box size for RRB NTPC?
The recommended signature box is 3.0 cm (width) x 1.5 cm (height) on white paper.
Q.Which ink color should I use for RRB NTPC signature?
Black or dark blue ink ballpoint pen is acceptable.
Q.Why are block-letter signatures rejected by Railway boards?
Signatures in block letters do not constitute a personalized handwritten signature and cannot be verified during document verification.
Q.How to crop signature for RRB NTPC?
Use our RRB NTPC Signature tool to crop cleanly to the 3.0 x 1.5 cm box and format to the required KB limit.
Q.Does the signature need to match on the CBT attendance sheet?
Yes, you must sign in the same style on the biometric attendance register at the examination lab.