Most Railway Exams require a photo of 320×240 px, 20–50 KB and a signature of 140×60 px, 10–40 KB in JPG format. The exact requirement for every exam is in the table below.
Railway Exams (RRB, RPF) — Size Chart 2026-2027
How to get your Railway Exams photo & signature accepted
- Find your exam's exact size in the table above — sizes differ even between exams from the same body, and the portal checks them strictly.
- Start from a good original. Take a fresh photo against a plain white wall in daylight, and sign in black ink on white paper. Photo guide · Signature guide.
- Crop to the required shape before resizing, so your face or signature is not stretched. Every resizer here locks the crop to the right ratio.
- Hit the KB window, not just the pixels. Files below the minimum are rejected just like files above the maximum — the tool handles both.
- Save as JPG and check the preview before you submit. If something goes wrong, see 12 reasons uploads get rejected.
FAQs
What is the most common photo size for Railway Exams?
Most Railway Exams ask for a photo of 320×240 px, 20–50 KB and a signature of 140×60 px, 10–40 KB, in JPG format. Check the table for each exam's exact size.
What is the RRB ALP photo and signature size?
RRB ALP photo: 275×354 px, 50–150 KB. Signature: 275×157 px, 30–49 KB. Both JPG. Resize RRB ALP photo.
What is the RPF SI photo and signature size?
RPF SI photo: 320×240 px, 20–50 KB. Signature: 140×60 px, 10–40 KB. Both JPG. Resize RPF SI photo.
What is the RPF Constable photo and signature size?
RPF Constable photo: 320×240 px, 20–50 KB. Signature: 140×60 px, 10–40 KB. Both JPG. Resize RPF Constable photo.
Other exam categories
Compiled from recent official notifications (last review: September 2026). Always verify against the latest notification — the resizer lets you edit width, height and KB if a size changes.