What is RRB NTPC photo size 2026?

RRB NTPC 2026: JPEG photo minimum 150×200 px, 20KB to 50KB, white background.

What is minimum signature size for RRB NTPC?

RRB NTPC minimum signature is 10KB. Target 25KB for safe upload. Range is 10–40KB JPEG.

Is RRB NTPC signature different from Group D?

Yes. NTPC allows 10–40KB. Group D requires minimum 30KB — a unique rule.

What background for RRB NTPC photo?

White background only. Black ink on white paper for signature.

How to compress RRB NTPC photo free?

Use tool on this page — pre-set to 20KB. Upload, compress, download in 30 seconds.

Is RRB NTPC photo same across all zones?

Generally yes. Verify from your specific RRB zone notification.

🔖 Railway ✅ Updated March 2026 🔧 Free Tool on This Page

RRB NTPC Photo & Signature Size 2026 — 150×200 px · 20–50KB · Min 10KB Signature

Q: Can I use PNG for RRB NTPC?

No. Railway portal rejects PNG. Tool auto-converts to JPEG.

Photo20–50KB

Pixels150×200 px

FormatJPEG only

BackgroundWhite

Signature10–40KB

Sig Pixels140×60 px

RRB NTPC and Group D look similar but have different signature minimums — this catches people who switch between the two forms. NTPC accepts signatures from 10KB, but Railway Group D enforces a minimum of 30KB. Uploading a 15KB signature that passed NTPC will get rejected on the Group D form. The photo requirements are the same for both: 20KB to 50KB JPEG, 150×200 pixels minimum, white background. RRB has multiple regional portals — always apply from the correct zone's website. This page is pre-set to 20KB for NTPC photo and 25KB for signature.

Compress RRB NTPC Photo & Signature — Free

📸 Photo → 20KB · ✍️ Signature → 25KB · Choose tab below

🔒 No upload ⚡ 30 sec 📱 Mobile

RRB NTPC Photo: 20KB target 150×200 px min JPEG White background only

📸

Upload Your Photo

JPG, PNG, WebP — max 25MB · PNG auto-converted to JPEG

or drag & drop · or paste from clipboard (Ctrl+V)

🔒 100% Private: Your photo is compressed entirely in your browser. No files uploaded to any server. Nothing stored or shared.

⚠️ RRB NTPC 2026 Portal Auto-Rejects If:

Photo over 50KB or under 20KB — use tool above
Signature under 10KB — minimum enforced by portal
Format is PNG or WebP — only JPEG accepted
Background is dark, grey, or coloured — white only required
Black ink not used for signature — black ink on white paper mandatory

⚠️ MINIMUM SIGNATURE SIZE: RRB NTPC enforces a minimum 10KB signature. Files below 10KB are auto-rejected. Target 25KB to stay safely above the minimum. Different from Group D which requires minimum 30KB.

RRB NTPC Photo Size 2026 — Complete Details

The RRB NTPC photo minimum size is 150×200 pixels, file size 20KB to 50KB JPEG, white background. Black ink on white paper for signature. Target 20KB photo for safest upload. Note that RRB NTPC and Group D have different signature minimums — always check which exam you are applying for.

✅ What to Check Before RRB NTPC Upload

Target 20KB photo — safe middle of 20–50KB range
Signature minimum is 10KB — this tool targets 25KB, well above the floor
White background only — black ink on white paper for signature
Different from Group D: NTPC accepts 10–40KB for signature, Group D requires 30–40KB — do not reuse the same signature file across both
Check your specific RRB zone notification — specs may vary slightly

RRB NTPC Signature Size — Minimum 10KB Enforced

The RRB NTPC signature range is 10KB to 40KB, minimum 140×60 pixels. The portal enforces a minimum 10KB — files below this are auto-rejected. Target 25KB to stay safely above the minimum. This is different from Group D which requires a minimum of 30KB. The Signature tab in the tool above is pre-configured to 25KB for NTPC.

How to Compress RRB NTPC 2026 Photo — 4 Steps

Take passport-size photo

White background, good light, no glasses, front-facing.

Upload to tool on this page

Pre-set to 20KB for RRB NTPC. No sign-up.

Compress photo to 20KB

Click Compress — PNG auto-converted to JPEG.

For signature — use Signature tab

Pre-set to 25KB (safely above 10KB minimum). Black ink on white paper.

RRB NTPC 2026 — Photo Size Comparison

Exam	Photo KB	Photo Pixels	Sig KB	Sig Pixels	Special Rule
RRB NTPC 2026	20–50KB	150×200 px min	10–40KB	140×60 px	Min 10KB sig enforced
RRB Group D	20–50KB	150×200 px min	30–40KB	140×60 px	Min 30KB sig — unique rule
RRB ALP	20–50KB	150×200 px min	30–40KB	140×60 px	Same as Group D
RRB JE	20–50KB	150×200 px min	10–40KB	140×60 px	Same as NTPC
RRB Group C	20–50KB	150×200 px min	10–40KB	140×60 px	Verify from notification

⚠️ Always verify from the official notification at indianrailways.gov.in

Need to Compress RRB NTPC Signature?

Switch to Signature tab — targets 25KB JPEG · Safely above 10KB minimum

Why Is My RRB NTPC 2026 Photo Getting Rejected?

The portal runs automated checks. These are the common rejection reasons with exact fixes:

❌ Signature under 10KB

RRB NTPC enforces minimum 10KB. Below 10KB = auto-rejected. Fix: Tool targets 25KB — safely above 10KB minimum

❌ Photo over 50KB

Portal shows file size exceeded. Fix: Tool above targets exactly 20KB

❌ PNG format

Railway portal rejects PNG format. Fix: Tool auto-converts PNG → JPEG

❌ Dark background

White background required for all railway exams. Fix: Retake photo against plain white wall

❌ Blue ink signature

Black ink on white paper only. Fix: Sign with black ballpoint pen on white A4

❌ Photo under 20KB

Too small for RRB portal. Fix: Tool never goes under 20KB

❌ Blurry signature

Signature must be clearly legible. Fix: Photograph in good light, hold phone steady

❌ Wrong zone portal

Each RRB zone has its own portal. Fix: Verify exact specs from your specific RRB zone notification

Frequently Asked Questions

Based on official requirements as of March 2026. Verify from official notification.

What is the photo size for RRB NTPC 2026?

RRB NTPC 2026 requires JPEG photo minimum 150×200 pixels, 20KB to 50KB, white background. Black ink signature 10–40KB, minimum 140×60 px. PNG rejected.

What is the minimum signature size for RRB NTPC?

RRB NTPC enforces a minimum 10KB signature. Files below 10KB are auto-rejected. Target 25KB for safe upload. Range is 10KB to 40KB JPEG.

Is RRB NTPC signature size different from Group D?

Yes. RRB NTPC allows 10–40KB signature. RRB Group D requires 30–40KB — a unique minimum of 30KB. Make sure you use the correct page for your exam.

What background is required for RRB NTPC photo?

White background only. Dark, grey, or coloured backgrounds rejected. Black ink on white paper for signature.

Can I use PNG for RRB NTPC photo?

No. Railway portal rejects PNG. Only JPEG/JPG accepted. Tool auto-converts PNG to JPEG.

What is RRB NTPC photo size in pixels?

RRB NTPC photo minimum dimensions are 150×200 pixels, file size 20–50KB JPEG. Target 20KB for safest upload.

How do I compress RRB NTPC photo free?

Use the free tool on this page — pre-set to 20KB for RRB NTPC. Upload, compress, download in 30 seconds. No sign-up needed.

Is RRB NTPC photo size same across all zones?

Generally yes, but individual RRB zones may have slightly different requirements per notification. Always verify from your specific zone's official notification before applying.

What is RRB NTPC signature minimum size?

RRB NTPC minimum signature is 10KB. The tool targets 25KB which is safely in the 10–40KB range.

Does RRB NTPC need white background?

Yes. White background is required for all RRB exam photos. Black ink on white paper for signature.

Photo & Signature Size for Other Exams

⚠️ Disclaimer: Information compiled from official notifications as of March 2026. Requirements may change each exam cycle. Always verify from indianrailways.gov.in before applying.