What is the RRB signature size?
| 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 a signature for RRB
- 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 result shows the file is inside the stated range, download the JPG and upload it to the form.
Frequently asked questions
What is the RRB signature size?
140 pixels wide and 60 pixels high, between 30 and 70 KB, as a JPG. Check the current RRB notification before you submit.
How do I reduce my RRB signature to 70 KB?
Add the signature above and adjust the frame. PixFit sets it to 140 × 60 pixels and picks the JPG quality that lands between 30 and 70 KB, then you download it.
What else does RRB ask you to upload?
The photo at 320 × 240 px, 30–70 KB. Each has its own page, or make them all in the RRB document kit.
Is my signature uploaded to a server?
No. Resizing and compression happen in your browser. The file stays on your phone or computer.
Why can the RRB portal reject my signature?
The upload check reads the file: a JPG of 140 × 60 pixels between 30 and 70 KB. PixFit sets all three and shows when the file is inside the stated range.
What if the official size changes?
PixFit re-checks the RRB notification; this page was last verified on 18 May 2026. If yours differs, use Resize image and enter its numbers.