CMAT Photo & Signature Resizer
Resize your photo and signature to official CMAT requirements — automatically. No manual size entry, no guesswork. Upload → download in seconds.
QUICK TOOLS
How to resize photo for CMAT form
Click "Resize Photo for CMAT" above
The CMAT preset loads automatically — no manual size entry needed.
Upload your photo
Photo from your phone works too. JPG or PNG, any size.
Tool resizes and compresses
Photo is resized to 140×160px and compressed to min–60KB automatically.
Download the form-ready file
File is named correctly (e.g. photo_cmat_200x230.jpg) and ready to upload to the form.
Common CMAT photo upload errors & fixes
Error
Photo upload fails or size rejected
Fix
File size may be above 60KB. Use the tool above — it compresses automatically to the right range.
Error
Photo dimensions not accepted
Fix
Form expects exactly 140×160px. The tool auto-crops and resizes to this exact size.
Error
Wrong format error (must be JPG)
Fix
Upload a JPG/JPEG file. If your photo is PNG, the tool converts it to JPEG automatically on download.
Error
Signature upload error
Fix
Use the signature draw tool. It exports to the exact CMAT signature dimensions.
Frequently asked questions — CMAT
What is the photo size for CMAT?
The official CMAT photo size is 140×160 pixels, between 10KB and 60KB, in JPG/JPEG format.
What is the signature size for CMAT?
The CMAT signature should be 60×90px, between 5KB and 30KB.
Can I use a photo clicked on my phone for CMAT?
Yes. Mobile photos typically exceed the required file size and dimensions. Use the resize tool above — it automatically resizes and compresses your phone photo to the exact requirements.
Does the tool upload my photo to a server?
No. All processing happens in your browser using the Canvas API. Your photo never leaves your device. No login required, no file storage.
My CMAT photo upload is rejected even after resizing. What should I do?
Some portals also check for white background and face visibility — these cannot be auto-verified. Ensure your photo has a plain white background and your face is clearly visible, centered, and not blurry.