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CTET Photo & Signature Size (Official CBSE Guidelines)
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Under official CBSE CTET guidelines, your passport photograph must be a JPG or JPEG between 10 KB and 100 KB with image dimensions of 3.5 cm width by 4.5 cm height. Your scanned signature must be a JPG or JPEG between 3 KB and 30 KB with dimensions of 3.5 cm width by 1.5 cm height.
Official CBSE CTET photo and signature guidelines. Compress photo to 10–100 KB and signature to 3–30 KB.
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How Do You Compress CTET Photo and Signature Files?
- Select either the Passport Photo (10–100 KB) or Signature (3–30 KB) preset above.
- Upload your scanned document file.
- Verify image proportions match 3.5×4.5 cm for photo or 3.5×1.5 cm for signature.
- Click Compress Image to generate a compliant JPEG within official CBSE kilobyte limits.
- Download and upload to ctet.nic.in.
Official CBSE CTET Document Specifications
| Asset Type | File Size | Dimensions | Format / Background | Mandatory Official Rules |
|---|---|---|---|---|
| Passport Photograph | 10 KB to 100 KB | 3.5 cm (width) × 4.5 cm (height) | JPG / JPEG format | Recent passport photograph, clear frontal view, no cap or dark glasses. |
| Scanned Signature | 3 KB to 30 KB | 3.5 cm (length) × 1.5 cm (height) | JPG / JPEG format | Scanned signature on plain white paper. |
Source: CTET Information Bulletin, Step 4 / Chapter 5, Pages 3 & 31, https://cdnbbsr.s3waas.gov.in/s3443dec3062d0286986e21dc0631734c9/uploads/2025/11/202511271651651092.pdf (Checked against the notice on 2026-10-24)
What Are the Top Rejection Reasons for CTET Photo and Signature Scans?
CBSE CTET application images face rejection for: - File Size Out of Bounds: Signature below 3 KB or above 30 KB, or photo below 10 KB or above 100 KB fail automated upload screening. - Blurred Facial Features: Poor lighting or low-contrast scans that cannot be matched at the examination centre. - Inappropriate Aspect Ratios: Distorting image proportions away from the prescribed 3.5×4.5 cm or 3.5×1.5 cm dimensions.
Frequently asked questions
What are the exact file size limits for CTET photo and signature?
Under the CTET Information Bulletin, the scanned photograph must be between 10 KB and 100 KB, and the scanned signature must be between 3 KB and 30 KB in JPG/JPEG format.
What are the dimensions prescribed by CBSE for CTET photos?
The bulletin specifies that the image dimension of the photograph should be 3.5 cm (width) x 4.5 cm (height).
Exam Photo & Signature Sizes
Need a different size? Use the full Image Compressor.