Complete Official Guide: CAT (Common Admission Test - IIMs) Photo and Signature Guidelines
Official Source: IIM CAT Official Registration Guidelines
Last Updated: August 2026 (Verified against latest official notification)
When applying online for CAT (Common Admission Test - IIMs), adhering strictly to the mandated photograph and digital signature guidelines is crucial. Every year, thousands of candidate applications are rejected or flagged due to improper file dimensions, excessive file size, or incorrect background contrast.
UtilityHub's CAT (Common Admission Test - IIMs) Resizer comes pre-calibrated with verified pixel ratios (350x450 px) and file size targets (150 KB). Simply upload your image below to generate an officially compliant copy ready for instant submission.
Official CAT (Common Admission Test - IIMs) Specification Table
| Specification | Photograph Requirement | Signature Requirement |
|---|---|---|
| Dimensions | 35 mm x 45 mm (Min 150 x 150 px, Max 1200 x 1200 px) | 80 mm x 35 mm |
| Pixel Resolution | 350 x 450 pixels | 350 x 150 pixels |
| File Size (KB) | 30 KB to 1200 KB (Recommended under 200 KB) | 30 KB to 1200 KB |
| File Format | JPG / JPEG | JPG / JPEG |
| Background | Solid white background | Plain white unruled paper |
Common Reasons for CAT (Common Admission Test - IIMs) Application Rejection
- Photo older than 6 months or low contrast.
- Signature signed in blue or red ink.
Step-by-Step Instructions
- Select Photo: Click the upload area above or drag and drop your existing photo into the tool.
- Automatic Preset Applied: The tool is pre-set with 350x450 px and 150 KB.
- Verify Preview: Inspect the live preview card on the right for sharpness and confirmed byte size.
- Download: Click Download and upload directly to IIM CAT Official Registration Guidelines.