File Format Checker

Instant file format and MIME type identification

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About File Format Checker

Drop or upload any file to instantly identify its MIME type, file extension, human-readable format name, file size, and last modified date. Supports batch file analysis. Recognizes 30+ common file formats including images, documents, archives, and media.

File Format Checker Features

  • Multi-file support
  • MIME type detection
  • 30+ format names
  • Size & date info

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