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Official 2026 Guidelines 100% Client-Side Private NTA / AIMA / GMAC

CMAT, NMAT & MAT Signature Resize (4 KB – 30 KB)

Exact 3.5×1.5 cm (140×60 px) specifications compliant with NTA CMAT, AIMA MAT, and GMAC NMAT portals. Applicable for NTA CMAT, NMAT by GMAC (NMIMS), AIMA MAT (CBT/PBT/IBT), ATMA.

Pixels: 140×60 px
Weight: 4–30 KB
Size: 3.5×1.5 cm
⚠️
Rejection Warning: NTA CMAT strictly enforces a 4 KB minimum and 30 KB maximum. Running handwriting in black ink only.

Start with your image

JPG, PNG, WebP and browser-supported images · up to 15 MB

Govt Exam Presets:
Active: NMAT/CMAT(140×60px, 4–30KB)
Full Specs Matrix Table→
Top Signature Specs:
Official RuleNMAT, CMAT & MAT (Management Entrances) Upload Guidelines

NTA CMAT requires 4 KB to 30 KB. Running signature in black ink only. • Ink: Black Ink Only

NMAT/CMAT:140×60 px (4–30 KB) • Black Ink Only
Interactive Studio Canvas (Sign):

Choose Image or Drag & Drop Here

Supports JPG, PNG and WebP images up to 15 MB • 140 × 60 px (4–30 KB)

Image Enhancement Filters

Real-Time NMAT/CMAT Preview (140 × 60 px)Live Sync

Simulated NMAT/CMAT output view with high-contrast ink sync.

140 × 60 px
Scale:
NMAT/CMAT Specimen(140 × $60 px)
Awaiting NMAT/CMAT upload... (140 × 60 px)
140 × 60 px
Output File Size
15 KB (Est)
Target Bounds
4 KB – 30 KB
Status
Ready to process
Custom Dimensions & Bounds
Target File Bounds4 KB – 30 KB

🛡️ Export Compliance ChecksNMAT/CMAT

Pre-download verification against the selected preset

📋 NTA / AIMA / GMAC Official Dimension & Upload Standards

Specification Parameter Mandatory Portal Value Verification Rule
Pixel Width & Height 140 × 60 px Standard aspect ratio 7:3 (~140×60 px)
Centimeter Physical Size 3.5 cm × 1.5 cm Based on 200 DPI scanning resolution
File Size Bounds 4 KB to 30 KB Recommended target ~15 KB
Mandatory Ink Requirement Black Ink Ballpoint Pen Only Unruled white paper (no notebook lines)
Supported File Formats JPG / JPEG Baseline progressive JPEG without EXIF bloat

🛡️ 4 Rules to Avoid Signature Rejection for NTA / AIMA / GMAC

  • 1 Sign with a black ballpoint pen on plain white paper.
  • 2 Set target size slider between 10 KB and 20 KB to safely satisfy all 3 portals.
  • 3 Ensure the background is pure white without mobile camera shadows.

❓ Frequently Asked Questions (NTA / AIMA / GMAC)

What is the signature requirement for NTA CMAT? ▼

CMAT requires dimensions of 3.5 cm × 1.5 cm (140 × 60 px) and file size strictly between 4 KB and 30 KB in JPG format.

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