Inspect filenames, extensions, MIME hints, sizes, and checksums.
File tools
Inspect filenames, signatures, checksums, and file-oriented text safely.
Choose a file workflow
Open a complete collection, or jump directly to one of its recommended tools.
Sanitize, rename, list, and reshape filename-oriented text.
Redact sensitive text and review metadata representations locally.
Compare files, spreadsheets, code, text, images, and folder inventories locally.
Browse every file tool
Open a utility below, or search the complete catalog by task, action, or format.
Private file tools for everyday work
Inspect filenames, signatures, checksums, and file-oriented text safely. Each page explains supported input and produces a real result without a server queue.
Why browser-based processing matters
Local processing reduces delay and avoids sending working data to a conversion service. Your browser and device still set practical memory limits, so review large results before production use.