RRB Signature Resizer
Instantly prepare your signature (20KB - 30KB) for all Railway Recruitment Board online application forms.
Upload Your Signature
Drag and drop here, or choose from your device
Choose FileCrop Signature to RRB Rules
Drag the corners to frame your signature securely.
RRB Form Format
Recent RRB notices ask for signatures of 30–50 KB. Check your CEN and change the numbers if yours is different.
How to Use RRB Signature Resizer
Make your railway exam signature in one go: cropped to 50 × 20 mm, saved as JPG and kept inside your CEN's KB range — even if your scan is too small.
Photograph Your Signature
Sign in black ink on white paper, in running handwriting, and take a clear photo.
Check the KB Range
The tool opens with RRB Signature (50 × 20 mm) and 30–49 KB. Change the numbers if your CEN is different.
Crop & Download
Frame the signature and click download.
Size
50 × 20 mm
File size
30–49 KB (editable)
Format
JPG
Privacy
Stays on your device
Price
100% free
Works on
Phone & computer
RRB Signature Resizer: Size Rules at a Glance
The sizes this tool makes, in plain numbers.
| Signature shape | 50 mm × 20 mm |
|---|---|
| File size | Recent notices: about 30–50 KB |
| Format | JPG / JPEG |
| Style | Running handwriting, black ink, white paper |
What Can You Use It For?
Popular ways people use RRB Signature Resizer.
RRB NTPC
Signature for NTPC forms.
RRB Group D
Level 1 railway jobs.
RRB ALP & Technician
Loco pilot and technician forms.
Re-upload After Rejection
Make a fresh file that meets the size rules.
Tips for a Perfect Result
- Sign with a black ink pen on plain white paper, then photograph it in good light.
- Make the signature big — it should fill most of the box. Tiny signatures are a common reason for rejection.
- Crop close around the signature so there's little empty space.
- Don't sign in capital letters — RRB asks for your usual running signature.
Frequently Asked Questions
Quick answers about RRB Signature Resizer.
About 30–50 KB, JPG, 50 × 20 mm in recent notices. Rules can change with each notice — always check the official notification for your exam before uploading.
Files under the minimum are rejected — but this tool brings them up to the minimum automatically, without changing how the signature looks.
Yes. Type the minimum and maximum from your CEN in the two boxes.
Use black ink on plain white paper for the clearest result.
Running handwriting. Signatures in capital letters can be rejected.
Yes. Your signature is processed in your browser only.
Yes — switch the option to RRB Photo, or use the RRB Photo Resizer.
Yes, on any modern mobile browser.
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