RRB photo & signature resizer 2026
Resize your RRB photo 276×354px 30–70 KB, signature 400×160px 30–70 KB. Free, exact size, works on mobile. Your files never leave your device.
- Exact KB
- Exact pixels
- No upload
- Free, no sign-up
Sizes below are the most commonly published values for RRB. Check the official notice on indianrailways.gov.in (your regional RRB site). If it differs, just change the numbers in the tool.
RRB photo & signature specifications
| Document | Dimensions | File size | Format |
|---|---|---|---|
| Photo | 276 × 354 px 35 × 45 mm | 30–70 KB | JPG / JPEG |
| Signature | 400 × 160 px 50 × 20 mm | 30–70 KB | JPG / JPEG |
How to use
- Choose your photo (switch tabs for signature and other documents). A clear phone camera picture is fine.
- Drag and zoom so your face (or signature) fills the frame.
- For signatures, keep “Clean background” on so the paper turns pure white. Tap Make. The tool sets the exact pixel size and keeps the file within the KB limit.
- Download the JPG and upload it to the application form.
Frequently asked questions
What is the RRB photo size?
The commonly published RRB photo size is 276 × 354 pixels (35 × 45 mm), 30–70 KB, in JPG format. Always confirm with the latest notification on indianrailways.gov.in (your regional RRB site).
What is the RRB signature size?
The RRB signature is usually 400 × 160 pixels, 30–70 KB, JPG. Sign with black or blue ink on plain white paper. Do not sign in capital letters.
Is my photo uploaded to your server?
No. Cropping, resizing and compression all happen inside your browser. Your photo and signature never leave your phone or computer.
The form says my file is too small. What do I do?
Some forms have a minimum size (for example 20 KB). This tool automatically raises the file to the minimum without changing how the image looks, so it will be accepted.
Do I need to pay or sign up?
No. The tool is free and needs no account.
My iPhone photo won’t open
Chrome and some Android browsers can’t read HEIC photos. Take a screenshot of the photo and upload the screenshot, or set iPhone Camera → Formats → Most Compatible.