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Image Format Detector

Image Format Detector

Identify image formats by their binary signatures, not file extensions. All processing happens locally in your browser - no files are uploaded to any server.

Drag & drop images here

or

Supported Formats

JPG/JPEG
PNG
GIF
BMP
TIFF
WebP
AVIF
HEIC
JPEG XL
ICO
SVG
PDF

Detection Results

Upload files to analyze

This tool analyzes the first bytes of a file (its "magic bytes") to determine its actual format, regardless of the file extension.