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CAT Photo & Signature Size (2026 IIM Registration Guide)
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Under official IIM CAT 2026 guidelines, your passport photograph must be a JPG or JPEG with a file size not more than 80 KB and dimensions within 1200×1200 pixels at minimum 150 DPI against a white background. Your scanned signature must also be under 80 KB with dimensions within 80 mm by 35 mm.
Official IIM CAT 2026 guidelines for passport photo and signature upload. Compress photo and signature under 80 KB.
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How Do You Compress CAT Documents Under 80 KB?
- Select the CAT Photo (≤80 KB) or Signature (≤80 KB) preset above.
- Upload your document image.
- Ensure the photo has a clean white background, minimum 150 DPI resolution, and is not older than 6 months.
- Click Compress Image to generate a JPEG file under the strict 80 KB ceiling.
- Download and upload to iimcat.ac.in.
Official IIM CAT Document Specifications (iimcat.ac.in)
| Asset Type | File Size | Dimensions | Format / Background | Mandatory Official Rules |
|---|---|---|---|---|
| Passport Photograph | Not more than 80 KB | Within 1200 × 1200 pixels | JPG / JPEG / White background | Recent (not more than 6 months old), clear front view, min 150 px/inch DPI. Must be affixed on admit card. |
| Scanned Signature | Not more than 80 KB | Within 80 mm × 35 mm | JPG / JPEG / Plain white paper | Clear scan, min 150 px/inch DPI. Candidate's own signature. |
| Category / PwBD Certificate | Portal document limits | A4 document page | PDF format | Scanned valid certificate if applicable. |
Source: CAT 2026 Registration Guide, Section 1.3 'Documents Upload', Page 10, https://cdn.digialm.com/per/g06/pub/32842/EForms/image/CAT2026/CAT_2026_Registration_Guide.pdf (Checked against the notice on 2026-10-24)
What Are the Primary Rejection Reasons for CAT Uploads?
IIM registration guidelines highlight: - File Size Exceeding 80 KB: The application system automatically blocks files larger than 80 KB. - Resolution Below 150 DPI: Blurry or low-resolution scans that do not meet the minimum 150 px/inch standard. - Photo Older than 6 Months: The uploaded photo must be recent and match the candidate's appearance on test day.
Frequently asked questions
What is the maximum file size for CAT photo and signature?
The file size should not be more than 80 KB each in .jpg or .jpeg format.
What resolution is required for CAT document uploads?
The image should be clear with a minimum resolution of 150 pixels per inch (DPI).
Exam Photo & Signature Sizes
Need a different size? Use the full Image Compressor.