Inspect a file name, extension, MIME type, size and last-modified time locally.
Ready.
Local processing: your file is not uploaded.
Privacy-first: tool inputs are processed in your browser; this suite does not record tool usage or send tool inputs to an analytics endpoint.
Review basic file information and a human-readable size without sending the selected file to the website or an external service.
Results are provided for convenience. Review important calculations or generated content before relying on them.