RRB (Railway) photo and signature size

Required file size, dimensions and format — with one-click resizing.

Upload sizes for RRB NTPC, Group D, ALP, JE and other railway exams. Click Resize to open our free resizer with that size already set — your photo stays on your device.

Document	File size	Dimensions	Format
Photograph	30–70 KB	35 × 45 mm	JPG/JPEG	Resize
Signature	30–70 KB	50 × 20 mm	JPG/JPEG	Resize

RRB rejects photos with caps, dark glasses or a non-light background. A very small signature may fall below the 30 KB minimum — set larger dimensions if it does.

Sizes are from recent notifications and can change each year. Always check the official notification for your exam before you submit.

How to resize your RRB (Railway) photo and signature

Click Resize next to the document above.
Choose your photo or scanned signature. Nothing is uploaded — it is processed in your browser.
Download the resized JPG and check the size in KB shown under the preview.
Upload it to the RRB (Railway) application form.

Signature looks faint or has a grey background? Clean it with the signature maker first. Need photo and signature in one image? Use the photo + signature joiner.

Other exams

Frequently asked questions

What is the photo size for RRB (Railway)?

Photograph: 30–70 KB, 35 × 45 mm, JPG/JPEG.

What is the signature size for RRB (Railway)?

30–70 KB in JPG/JPEG format, 50 × 20 mm.

My photo is above the size limit. How do I reduce it?

Use the Resize button above. It finds the highest JPG quality that keeps your file under the KB limit, and reduces the dimensions slightly if needed.