Image Format Detector
Identify the true format of any image file, regardless of extension.
Drag & drop files here
or browse files
*Max 50MB
Tip: You can also paste images from clipboard (Ctrl/Cmd+V)
100% Private - Browser Only
Instant Conversion
100% Free
How to Detect Image Format
1. Upload your image file.
2. View the detected format information.
Frequently Asked Questions
Files are sometimes renamed with incorrect extensions. This tool reads the actual file header to determine the true format.
Browser Support
Works in all modern browsers.