Detect the true file type
Reads the file's magic bytes — not its extension — to identify what a file actually is. Catches renamed or misidentified files instantly. Nothing leaves your device.
Drop files here or click to select
Supports any file type · Multiple files allowed
// PRIVACY All analysis happens entirely in your browser using the File API. No file data, names, or results are sent anywhere. Files are read into memory only for the duration of analysis.