Railways
RRB NTPC
RRB NTPC
photo & signature resizer
Set to the sizes Railway Recruitment Board asks for — exact pixels, the right KB band and 200 DPI. Everything happens on your device.
Photograph (not uploaded — printed copies): 320×240 px · 30–70 KBSignature: 140×60 px · 30–49 KB
✓Checked against the official notification, page 16Details ↓
Already have a rejected file? Check the original file for RRB NTPC.
Published sizes disagreed. We checked the notification.Resolved against RRB’s own FAQ for CEN 06/2025, published alongside the notification. There is no photograph upload at all — the portal captures a live photograph through your webcam or phone camera, and it states that uploading a pre-existing photo is not permitted. The signature is 30 to 49 KB, minimum 140 × 60 px, signed inside a 35 × 20 mm box. Note the ceiling is 49 KB, not 50: charts listing 30–70 KB put you over it. The CEN itself is a scanned image with no text layer, so the citation is to the FAQ, which quotes the CEN paragraph.
✓
Checked against the official notification on 2026-09-20, page 16.
Open the notification →
- Photograph (not uploaded — printed copies) RRB captures your photograph live through your webcam or phone camera during the application — a pre-existing photo cannot be uploaded and is grounds for rejection. This tool is here for the printed copies you may still need; it is not an RRB upload size.
- Signature RRB states a minimum of 140 × 60 px and a 35 × 20 mm signing box, with the file between 30 and 49 KB. The ceiling is 49, not 50.
Sizes for RRB NTPC
| Upload | Dimensions | File size | Format |
|---|---|---|---|
| Photograph (not uploaded — printed copies) | 320 × 240 px | 30–70 KB | JPEG |
| Signature | 140 × 60 px | 30–49 KB | JPEG |
Same numbers on other exams: 140×60 px
Set by Railway Recruitment Board. Open the official site →
How it works
Exam-ready photo and signature in three steps. No editing skills, no software, no upload.
1
Pick your exam
Choose from 129 presets. 35 have been checked against the official notification; every other page says it has not. Pixels, KB band and DPI load with the preset. Not listed? Type your own numbers.
2
Upload and adjust
Drag to position your face, pinch or scroll to zoom. Signatures get one-slider background clean-up. Add your name and the date if the board wants them printed on the photo.
3
Check and download
You get exact dimensions, a file inside the KB band, correct DPI — and a pre-flight report on blur, background and face position before you upload anything.
Guides
How to find the photo specification in a notification PDF
Every size chart online contradicts every other one. The authority is the notification. Here is how to find the upload rules inside it.
3 min read
How to resize an image to an exact KB size
The method portals require — hitting a file-size band exactly, at fixed pixel dimensions, without wrecking the picture.
3 min read
How to scan a signature with a phone camera
No scanner needed. How to photograph a signature so the paper comes out white, the ink stays sharp, and the file passes.
3 min read
Questions
What photo size is required for RRB NTPC?
None. Railway Recruitment Board does not ask you to upload a photograph — the application module takes it with your camera while you fill the form. The only image you upload is your signature: a JPEG of 30–49 KB, signed inside a box of about 3.5 × 2.0 cm, with a stated minimum of 140 × 60 px.
My file is smaller than 30 KB. Will it be rejected?
Yes. 30 KB is a floor, not a suggestion, and portals reject files under it exactly as they reject oversized ones. This tool lifts an undersized file over the floor by appending blank JPEG comment data, which decoders ignore. The picture itself is untouched — some tools inject random noise into the image instead, which visibly degrades it.
Are my photos uploaded anywhere?
No. The resizing runs inside your browser using the standard canvas API. Nothing is sent to a server, there is no account, and the page keeps working offline once loaded.
Can I set the DPI?
Yes, and it defaults to 200 DPI here. Browsers write 96 DPI into canvas JPEGs, and some portals read that field and reject the file even when the pixel dimensions are correct. The value is written into the JFIF header of the file you download.
Why do other sites list a different size for RRB NTPC?
Resolved against RRB’s own FAQ for CEN 06/2025, published alongside the notification. There is no photograph upload at all — the portal captures a live photograph through your webcam or phone camera, and it states that uploading a pre-existing photo is not permitted. The signature is 30 to 49 KB, minimum 140 × 60 px, signed inside a 35 × 20 mm box. Note the ceiling is 49 KB, not 50: charts listing 30–70 KB put you over it. The CEN itself is a scanned image with no text layer, so the citation is to the FAQ, which quotes the CEN paragraph. We would rather show you the disagreement than pick one and sound certain.