Privacy & Security Kit
Privacy & Security
File Type Inspector
Inspect declared MIME, extension, first bytes, likely signature, and mismatch warnings locally before upload.
Runs locally in your browser. No upload.
Paste input, choose an action, then copy or download the result.
File Type Inspector
Check file signature, declared MIME, extension, first bytes, dimensions when available, and safe-upload warnings before using a worker tool.
Inspection report
Choose a file, then inspect it locally.