RRB document sizes
| Document | Pixels | File size | Print size | Format |
|---|---|---|---|---|
| Photo | 320 × 240 px | 30–70 KB | — | JPG |
| Signature | 140 × 60 px | 30–70 KB | — | JPG |
How to resize your RRB signature in 4 steps
- The RRB signature preset (140 × 60 px, 30–70 KB) is already selected.
- Add a photo or scan of your signature on white paper.
- Drag and zoom to set the frame; turn on clean-up for a white background.
- When the green ACCEPTED stamp shows, download the JPG and upload it to the form.
Frequently asked questions
What is the RRB signature size?
140 × 60 pixels, between 30–70 KB, in JPG format. Check the current RRB notification before you submit, because sizes can change each year.
How do I reduce my RRB signature to 70 KB?
Add the signature above, adjust the frame and download. PixFit sets the pixels and finds the JPG quality that lands inside 30–70 KB.
Is my signature uploaded to a server?
No. Resizing and compression happen in your browser. The file stays on your phone or computer.
Why does the RRB portal reject my signature?
Usually the file is above 70 KB or below 30 KB, the pixels are wrong, or it is not a JPG. PixFit fixes all three and shows a green ACCEPTED stamp when the file is inside the range.
What if the official size changes?
PixFit re-checks RRB notifications and shows the last verified date on this page. If your notification differs, use Resize image and enter its numbers.