FILE INSTRUMENT / UNKNOWN
Unknown File Extension Opener
Identify unfamiliar files using signature bytes and readable content previews. Free, private and processed locally.
← ALL TOOLS↥
Bring a file to the table.
Drop it here or choose one from your device. It never leaves this browser.
Local preview only · Size limits depend on the tool · No uploads
Examination notes
HOW IT WORKS
Identify unfamiliar files using signature bytes and readable content previews. Some formats need dedicated desktop software to reproduce content or layout. Unsupported files receive a metadata, signature or hex inspection instead.
AFTER THE INSPECTION