Official Railway Recruitment Board Specifications

RRB NTPC Signature Resizer (10KB - 20KB)

Resize and format signature for RRB NTPC online application. Auto-fit to 140x60 px (50x20mm), 10KB-20KB JPG on pure white background with black ink enhancement.

⚡ 140 × 60 px📐 5 × 2 cm🎯 Target: 18 KB🔒 100% Client-Side Safe🏛️ rrbcdg.gov.in Verified
Step 1: Choose Exam Portal or Custom Mode

Select an official exam preset (140x60 px, 10–20 KB) or use custom manual dimensions.

108 Official Presets
Currently Active:RRB NTPC (140x60 px)Target: 18 KB
🖊️ Ink: Black Ink Pen
✍️ Need to draw or type signature?
Click, Drag & Drop Scan, or Press Ctrl+VJPEG, JPG, PNG, WEBP · Supports Instant Clipboard Paste
Dimensions & Units:
Ratio: 140 : 60
18 KB
📋 RRB NTPC Signature Specifications & Upload Rules:

Dimensions: 140 x 60 pixels (50 mm x 20 mm). File size: strictly 10 KB to 20 KB in JPEG format signed with a black ink pen on clean white paper.

Step 2: Live Crop & Portal Preview
Ready (RRB NTPC)
✍️

No Signature Scan Uploaded

Upload your signature photo or scan, drag & drop, or paste with Ctrl+V.

DIMENSIONS140 x 60 px
EST. FILE SIZE~18 KB
COMPLIANCE100% Pass ✓
💡
Golden Rule: Government portals (SSC, RRB, IBPS, UPSC) automatically reject signatures written in CAPITAL BLOCK LETTERS. Ensure your signature uses standard running handwriting in black or dark blue ink.
✍️

Official RRB NTPC Signature Specifications

Verified criteria mandated by Railway RRB NTPC Signature Resizer (Graduate & Under-Graduate) recruitment portal.

📌 RRB NTPC Signature Specifications & Upload Rules:

Dimensions: 140 x 60 pixels (50 mm x 20 mm). File size: strictly 10 KB to 20 KB in JPEG format signed with a black ink pen on clean white paper.

Requirement ParameterOfficial Mandated Value
Official Portal Source🏛️ Railway Recruitment Control Board (RRB) (rrbcdg.gov.in)Ministry of Railways, Govt of India • Sourced from official candidate bulletin
Pixel Dimensions140 x 60 pixels (Width x Height)
Dimensions in CM5 cm x 2 cm
Allowed File Size Limit10 KB to 20 KB (Target: 18 KB)
Image File FormatJPEG / JPG format
Pen Ink ColorBlack Ink Pen
Background PaperPlain White Box (Use our built-in paper whitening tool)
Mandatory RulesStrictly running handwriting in black ink. Signatures in BLOCK / CAPITAL letters will be rejected.
🛡️
E-E-A-T Verified Specifications & Reference Citation✓ Verified Guidelines

The specifications listed above (140×60 px, 10KB–20KB JPEG format) are compiled from official notification standards issued by Railway Recruitment Control Board (RRB).

Transparency Disclaimer: Result91 is an independent client-side image utility created to help students format compliant documents. We are not officially affiliated with Railway Recruitment Control Board (RRB). Always check the official portal at rrbcdg.gov.in ↗ for the latest notification updates.

📷
Need to resize your passport photo too?Compress photo to exact 20KB–50KB, 50KB–100KB, or add Date of Photo (DOP) banner.
Open Exam Photo Resizer →

🚀 How to Resize & Prepare Your Signature for RRB NTPC

1

Upload Signature

Upload a photo of your signature signed with black or blue pen on clean white paper.

2

Auto-Configured

Dimensions (140x60 px) and 18 KB limit apply automatically.

3

Whiten & Darken

Enable 'White Paper Cleaner' to remove yellow room light and boost black ink contrast.

4

Download JPG

Download your optimized, portal-ready JPEG signature with zero upload rejection.

⚡ Dimensions, Units, Ratios & KB Tools

Dimensions, Ratios & KB Size Signature Resizers

Compress and format your signature by exact pixel dimensions, centimeters (cm), aspect ratios, or target file size limits (KB).

📐

Pixel Dimension Subpages (140x60, 300x80, 80x80, 800px)

11
⚡140 x 60 Pixels
140 × 60 px • SSC, RRB & IBPS
10–20 KB JPG→
🏦300 x 80 Pixels
300 × 80 px • Banking & Entrances
10–50 KB JPG→
🖼️200 x 60 Pixels
200 × 60 px • 3.3:1 Wide Box
10–20 KB JPG→
📜170 x 70 Pixels
170 × 70 px • State CET & Board
10–30 KB JPG→
⚡100 x 80 Pixels
100 × 80 px • Student Portals
5–20 KB JPG→
🔲80 x 80 Pixels
80 × 80 px • 1:1 Micro Avatar
5–20 KB JPG→
🔲300 x 300 Pixels (1:1)
300 × 300 px • PSCs & Courts
20–50 KB JPG→
💻256 x 64 Pixels
256 × 64 px • Hardware Pad
10–30 KB JPG→
⚡60 x 140 Pixels
60 × 140 px • Vertical Standard
10–20 KB JPG→
⚡80 x 300 Pixels
80 × 300 px • Side Panel Strip
10–50 KB JPG→
💎800px High-Resolution
800 × 320 px • Legal & E-Sign
50–150 KB JPG→
📏

Centimeter (CM) & Physical Metric Subpages (6x2cm, 4x2cm, 3.5x1.5cm)

7
📏Signature Resizer in CM
Centimeters & Millimeters Converter
10–50 KB JPG→
📐4cm x 2cm / 50x20 mm
4.0 × 2.0 cm • 140×60 px
10–20 KB JPG→
🏛️3.5cm x 1.5cm Signature
3.5 × 1.5 cm • SSC / IBPS Standard
10–20 KB JPG→
📏6cm x 2cm Signature
6.0 × 2.0 cm • 472×157 px (PSCs)
10–50 KB JPG→
⚖️6cm x 3cm Signature
6.0 × 3.0 cm • High Court & Judicial
10–50 KB JPG→
💳2cm x 4.5cm / 4.5x2 cm
4.5 × 2.0 cm • PAN Card & State ID
10–20 KB JPG→
📏2cm x 6cm Signature
6.0 × 2.0 cm • State PSC & Courts
10–50 KB JPG→
🎯

Aspect Ratio & Format Subpages (5:2 Landscape, 2:1 Ratio, 4.5cm, 5cm)

4
📐5:2 Aspect Ratio Signature
200 × 80 px • India Post GDS & Wide Box
10–20 KB JPG→
📐2:1 Aspect Ratio / 2cm
200 × 100 px • 4.0×2.0 cm (2:1 Ratio)
10–20 KB JPG→
📐4.5cm / 4:5 Format Signature
225 × 100 px • 4.5×2.0 cm ID Format
10–30 KB JPG→
📐5cm / 5:2 Shorthand
200 × 80 px • 5.0×2.0 cm Box
10–20 KB JPG→
📁

Strict File Size (KB Limit) Target Resizers

10
⚡5KB Signature Resizer
Under 5 KB JPG • Micro Scan
5 KB Target→
⚡10KB Signature Resizer
Exact 10 KB JPG • Legacy Portals
10 KB Target→
🎯15KB Signature Resizer
10KB–20KB Sweet Spot
15 KB Target→
🎯20KB Signature Resizer
Under 20KB JPG • SSC, RRB & Bank
18 KB Target→
🩺30KB (NEET / JEE)
4 KB to 30 KB JPG • NTA Entrance
28 KB Target→
🏢40KB Signature Resizer
Under 40KB JPG • DSSSB & Court
38 KB Target→
💎50KB Signature Resizer
Under 50KB JPG • State PSCs
45 KB Target→
🎓100KB Signature Resizer
Under 100KB JPG • UPSC & GATE
90 KB Target→
🎯10 to 20 KB Range
Official SSC, RRB, IBPS Standard
10–20 KB Range→
🔄50KB ➔ 20KB Compressor
Reduce Phone Scans Under 20KB
18 KB Target→
⚡ Quick Jump to Exact File Size (KB) Subpages:
3 KB4 KB5 KB6 KB7 KB8 KB9 KB10 KB15 KB18 KB20 KB (SSC/RRB)25 KB30 KB (NEET)35 KB40 KB (DSSSB)45 KB49 KB50 KB (PSC)60 KB70 KB80 KB90 KB100 KB (UPSC)200 KB (GATE)400 KB (HD)
📊 Official Minimum-to-Maximum Range Presets:
10 to 20 KB (SSC / RRB)20 to 30 KB (Banking)20 to 50 KB (State PSC)4 to 30 KB (NEET/JEE)5 to 10 KB5 to 20 KB (Police)10 to 50 KB20 to 100 KB (UPSC/GATE)50 to 100 KB80 to 150 KB50KB ➔ 20KB CompressorUnder 10 KB
🏛️ Official Exam Boards & Portals Directory

Browse Exam & Recruitment Board Signature Presets

Select your recruitment board, commission, or government application portal below to auto-configure official signature guidelines, dimensions, and KB limits.

🏛️

Staff Selection Commission (SSC Exams)

10
🏛️SSC (All Exams)
140 × 60 px (4×2 cm)
10–20 KB JPG→
🏛️SSC CGL
140 × 60 px (4×2 cm)
10–20 KB JPG→
🏛️SSC CHSL
140 × 60 px (4×2 cm)
10–20 KB JPG→
📋SSC MTS
140 × 60 px (4×2 cm)
10–20 KB JPG→
🛡️SSC GD
140 × 60 px (4×2 cm)
10–20 KB JPG→
👮Delhi Police
140 × 60 px (4×2 cm)
10–20 KB JPG→
👮SSC CPO
140 × 60 px (4×2 cm)
10–20 KB JPG→
⚙️SSC JE
140 × 60 px (4×2 cm)
10–20 KB JPG→
⌨️SSC Steno
140 × 60 px (4×2 cm)
10–20 KB JPG→
📑SSC Selection
140 × 60 px (4×2 cm)
10–20 KB JPG→
🚂

Indian Railways (RRB Recruitments)

5
🚂RRB (All Exams)
140 × 60 px (50×20 mm)
10–20 KB JPG→
🚂RRB NTPC
140 × 60 px (50×20 mm)
10–20 KB JPG→
🔧RRB Technician
140 × 60 px (50×20 mm)
10–20 KB JPG→
🛤️RRB Group D
140 × 60 px (50×20 mm)
10–20 KB JPG→
🚆RRB ALP
140 × 60 px (50×20 mm)
10–20 KB JPG→
🏦

Banking & Insurance Exams (IBPS, SBI, RBI)

5
🏦IBPS RRB (Gramin Bank)
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🏦IBPS Banking
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
💰SBI PO/Clerk
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🛡️NICL Insurance
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🏢RBI Grade B
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🎓

UPSC & Defence (Civil Services, NDA, CDS, AFCAT)

4
🎓UPSC OTR / CSE
350 × 350 px (3.5×3.5 cm)
20–300 KB JPG→
⚔️UPSC NDA
350 × 350 px (3.5×3.5 cm)
20–300 KB JPG→
🎖️UPSC CDS
350 × 350 px (3.5×3.5 cm)
20–300 KB JPG→
✈️AFCAT / Agniveer
140 × 60 px (4×2 cm)
10–50 KB JPG→
🩺

Entrance & Teaching (NEET, GATE, JEE, CTET, CAT)

8
🔬IIT GATE
560 × 160 px (5×2 cm)
5–200 KB JPG→
🩺NTA NEET
200 × 100 px (4×2.5 cm)
4–30 KB JPG→
📐NTA JEE
140 × 60 px (3.5×1.5 cm)
4–30 KB JPG→
🎓NTA CUET
140 × 60 px (3.5×1.5 cm)
4–30 KB JPG→
📜BCECE Bihar
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🏫KEAM & Polytechnic
140 × 60 px (3.5×1.5 cm)
10–30 KB JPG→
📚CBSE CTET
140 × 60 px (3.5×1.5 cm)
4–30 KB JPG→
📊IIM CAT
300 × 130 px (8×3.5 cm)
20–80 KB JPG→
🏛️

State PSCs & Police Recruitments (BPSC, UPPSC, CG Vyapam, HSSC, TSLPRB)

10
🏛️State PSC (All)
140 × 60 px (4×2 cm)
10–20 KB JPG→
📜BPSC Bihar
140 × 60 px (4×2 cm)
10–20 KB JPG→
🏛️TNPSC Tamil Nadu
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
📑Gujarat OJAS
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🏛️UPPSC
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
🌲CG Vyapam
140 × 60 px (4×2 cm)
10–40 KB JPG→
🌾HPSC / HSSC
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
👮UP Police SI (UPSI)
140 × 60 px (3.5×1.5 cm)
5–20 KB JPG→
👮UP Police & Guard
140 × 60 px (3.5×1.5 cm)
5–20 KB JPG→
👮TSLPRB Signature
140 × 60 px (4×2 cm)
10–20 KB JPG→
📮

Postal, Identity & Subordinate Portals (India Post, PAN, DL, DSSSB, Courts)

7
📮India Post GDS
200 × 80 px (5×2 cm)
10–20 KB JPG→
📮Email & E-Sign
300 × 100 px (6×2 cm)
10–100 KB JPG→
💳PAN Card Signature
400 × 200 px (4.5×2 cm)
10–20 KB JPG→
🪪Voter ID & DL
140 × 60 px (4×2 cm)
10–20 KB JPG→
🏢DSSSB Delhi
140 × 110 px (4×3 cm)
10–40 KB JPG→
📝UPSSSC PET
140 × 60 px (3.5×1.5 cm)
10–20 KB JPG→
⚖️High Court
140 × 60 px (4×2 cm)
10–50 KB JPG→
🔍

Supported Format Variations & Related Search Terms

This tool automatically complies with all of the following specifications, format terms, and search variations for RRB NTPC:

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Whether you need to resize signature for RRB NTPC, convert to 140 × 60 pixels (5 × 2 cm), or compress within 10 KB – 20 KB JPG with paper background whitening, this single utility handles it all in 1-click.

❓ Help & FAQs

Frequently Asked Questions (RRB NTPC Signature Resizing & Specifications)

Official dimensions (140x60 px), KB limits (10–20 KB), ink requirements, and rejection prevention rules.

1What are the signature specs for RRB NTPC 2025/2026?▼

Dimensions: 140 x 60 pixels (50 mm x 20 mm). File size: strictly 10 KB to 20 KB in JPEG format signed in black ink.

2How to fix shadow or dark background in RRB NTPC signature scan?▼

Upload your image to Result91 and ensure 'White Paper Cleaner' is active. It automatically whitens scanner shadows and sharpens black ink strokes.

Complete Exam & Recruitment Upload Toolkit

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📷20 KB - 50 KB

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20 KB – 50 KB & DOP Stamping

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✍️10 KB - 20 KB

Signature ResizerActive

10 KB – 20 KB & White BG Cleaner

Crop signature scans to 140×60 px or 5:2 landscape ratio. Auto-remove gray shadows and boost pen ink clarity.

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Free Draw Pad & E-Signature Pad

Draw your smooth cursive signature directly on screen using touch or mouse. Download transparent PNG or white JPG.

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Thumb Impression Resizer

10 KB – 20 KB Biometric Contrast

Format Left Thumb Impression (LTI) scans with enhanced ridge clarity and exact portal dimensions in JPG format.

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