RRB signature resizer
RRB forms differ by CEN. Group D and Isolated Categories want a JPG photo around 320 × 240 px and a signature around 140 × 60 px. RRB NTPC, RRB ALP and RRB Technician capture the photo live — you upload only the signature, 30–49 KB. Open the exam for that CEN's numbers. Every size is from the current RRB notification.
- RRB signature resizer
- RRB signature size
- RRB photo resizer
- RRB photo size
Checked 4 Sep 2026 · View source log
Railway (RRB) exams
5 examsRRB Isolated Categories
Railway Recruitment Boards
RRB NTPC
Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India
RRB Group D
Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India
RRB ALP
Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India
RRB Technician
Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India
About Railway sizes
| Railway | photo | signature | Verified |
|---|---|---|---|
| RRB | 40–70 KB | 30–70 KB | 4 Sep 2026 |
| RRB NTPC | — | 30–49 KB | 10 Jul 2026 |
| RRB Group D | 50–100 KB | 30–50 KB | 6 Aug 2026 |
| RRB ALP | — | 30–49 KB | 4 Sep 2026 |
| RRB Technician | — | 30–49 KB | 4 Sep 2026 |
RRB signature size depends on the CEN. NTPC, ALP and Technician capture the photo live. Group D and Isolated Categories still want a photo file. Open the exam you are applying for.
Don't see your exam?
These tools work for any size and KB limit. Type in the numbers from your form.
Questions about Railway
What is the RRB signature size?
Most Railway CEN forms want a JPG signature near 140 × 60 px. The KB window changes: NTPC, ALP and Technician are 30–49 KB, Group D is 30–50 KB, Isolated Categories is 30–70 KB. Open the exam you are applying for.
Do RRB NTPC, RRB ALP and RRB Technician need a photo upload?
No. Current NTPC, ALP and Technician CENs capture the photograph live in the RRB portal. You upload a signature file, and an SC/ST certificate PDF if you need the free train pass. Do not upload a pre-existing photo.
What is the RRB photo size?
Group D wants about 320 × 240 px at 50–100 KB. Isolated Categories is about 320 × 240 px at 40–70 KB. NTPC, ALP and Technician have no photo file this cycle. Open the exam page for that CEN.
Are these RRB sizes official?
Yes. Every size and KB limit comes from the current RRB CEN notification, with the date we last verified it shown. SarkariDoc is not affiliated with the Railway Recruitment Boards — read the official CEN before you submit.