BROWSER-SIDE

Image File Checker

See the details that upload forms commonly care about before you submit your image.

What this checks

  • Reported image format/MIME type
  • File size
  • Width and height in pixels
  • Total megapixels and aspect ratio

How to use Image File Checker

Quick steps

  1. Choose the image you want to inspect.
  2. Review the detected type, file size, pixel dimensions and megapixel count.
  3. Compare those values with the requirements of the website or form where you plan to upload the image.

Supported files & limits

JPG, PNG and WebP are supported by the launch build. Files above 50 MB are rejected by the safety guard.

Privacy & processing

Inspection happens locally in your browser. The tool reads the file only to display technical properties and does not intentionally upload it.