CAT Photo & Signature Resizer
Resize your photo and signature to official CAT requirements — automatically. No manual size entry, no guesswork. Upload → download in seconds.
QUICK TOOLS
How to resize photo for CAT form
Click "Resize Photo for CAT" above
The CAT 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 1200×1200px and compressed to min–80KB automatically.
Download the form-ready file
File is named correctly (e.g. photo_cat_200x230.jpg) and ready to upload to the form.
Common CAT photo upload errors & fixes
Error
Photo upload fails or size rejected
Fix
File size may be above 80KB. Use the tool above — it compresses automatically to the right range.
Error
Photo dimensions not accepted
Fix
Form expects exactly 1200×1200px. 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 CAT signature dimensions.
Frequently asked questions — CAT
What is the photo size for CAT?
The official CAT photo size is 1200×1200 pixels, between 10KB and 80KB, in JPG/JPEG format.
What is the signature size for CAT?
The signature file size for CAT should be under 80KB. Check the official notification for exact pixel dimensions.
Can I use a photo clicked on my phone for CAT?
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 CAT 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.