File inspector
Tools will load when you run.File Type and Metadata Inspector✓
Inspect file signatures, format information and supported internal structures in a downloadable JSON report.
Your result.
How to use File Type and Metadata Inspector
- Choose your files.
- Choose the file you want to inspect.
- Read the inspection report and download it as JSON.
Process multiple files
Use a workflow to apply the same settings to each file.
Formats and requirements
- Input formats
- files
- Output
- JSON
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 128 MiB per file, 128 MiB total
What to expect
Preserves the selected content; validate important outputs.
Do my files leave my device?
No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →