File Type Detector
Inspect basic information about a file (type, size, and more depending on the file).
Drop files here or click to select
- Safe
- Processing runs on your device, so input/output is not sent anywhere.
Explanation
Detects the file type by matching format identifiers (magic numbers / magic bytes) in the binary data.
It can identify files even if there is no extension or the extension is incorrect.
Supported formats
This tool follows the signature list defined here.
Since detection is based on binary signatures, plain text formats are not supported.
https://en.wikipedia.org/wiki/List_of_file_signatures