CMAT Signature Resizer
Resize your signature to exactly 140×60 pixels and 4–30 KB in JPG format for CMAT (NTA portal standard) (NTA portal standard).
CMAT signature Specifications Locked
Configuration
CMAT
Signature (Digital sign)
Privacy First: Your photos are processed locally in your browser and never uploaded to any server.
Upload & Process
Click or drop signature for CMAT
JPG, PNG, HEIC, or WEBP up to 15MB
Fast & Secure: Image processing happens instantly on your device. No waiting, no uploads.
Official Specifications for CMAT
Conducting Authority: NTA portal standard (CMAT (NTA portal standard))
CMAT Document Specification Summary
| Parameter | Photograph Requirements | Signature Requirements |
|---|---|---|
| Pixel Dimensions (Width × Height) | 200 × 240 px (Flexible / Recommended) | 140 × 60 px (Flexible / Recommended) |
| Physical Size (cm / mm) | 3.5 cm × 4.5 cm | 3.5 cm × 1.5 cm |
| File Size Limit (KB) | 10 KB to 200 KB | 4 KB to 30 KB |
| Accepted Formats | JPG | JPG |
| Target Resolution (DPI) | 200 DPI | 200 DPI |
| Background / Ink Rules | Recent passport photo with 80% face coverage (without mask). File size 10 KB to 200 KB in JPG format. | Signature in black ink on white paper. File size 4 KB to 30 KB in JPG format. |
Photograph Rules
Official Exam Guidelines• Clear frontal view with both ears visible and eyes open looking straight at the camera.
• The face must cover 70% to 80% of the image frame.
• No dark sunglasses, caps, hats, or face coverings are permitted.
Signature Rules
Official Exam Guidelines• Must be signed with a black or dark blue ink pen within a clean white background.
• Signatures in ALL CAPITAL LETTERS or block initials are strictly rejected.
• File size must strictly be between 4 KB and 30 KB.
Common CMAT Application Rejection Traps to Avoid
Over 15% of online applications are rejected during initial document verification due to formatting issues.
- Uploading a photo with shadows, patterned background, or non-white backdrop.
- Signing in capital block letters or using a light gel/pencil pen.
- Uploading file sizes smaller than 10KB or larger than 200KB.
- Submitting blurry, distorted, or tilted scans taken from a phone camera without cropping.
Frequently Asked Questions
Common queries about CMAT photo and signature requirements
Is my CMAT photo uploaded to any server?
No, never. All photo and signature resizing, cropping, and compression for CMAT happen 100% locally inside your web browser. Your sensitive documents never leave your device.
What are the required photo dimensions and file size for CMAT?
According to the official notification, your photograph for CMAT must be formatted to recommended resolution of 200 × 240 pixels (3.5 cm × 4.5 cm). The file size must strictly be between 10 KB and 200 KB in JPG format.
What is the required signature size and dimension for CMAT?
The official signature image requirement for CMAT is recommended resolution of 140 × 60 pixels (3.5 cm × 1.5 cm), formatted as JPG, with a file size strictly between 4 KB and 30 KB.
What background is acceptable for CMAT photos?
A plain white or light-colored background is required. The photograph should show a clear frontal view of your face with both ears visible and eyes open looking straight at the camera.
Can I sign in all capital letters for CMAT?
No. Signature in capital letters or block letters is strictly prohibited by official application portals and will lead to form rejection. Always sign in your natural running handwriting using a black or dark blue ink pen.
Does resizing for CMAT reduce image quality?
No. Our smart image engine optimizes file size to hit the required 10–200 KB range while preserving full clarity, sharpness, and 300 DPI resolution.