OpenAnyFile
Identify any file type
Drop a mystery file. Its first bytes are compared with a library of known signatures to tell you what it really is — then it opens.
Identify any file type →File tools
Small, private tools built on the same engine — everything runs on your device.
File checksum calculator
Drop a file to get its SHA-256, SHA-1, SHA-512 and MD5 hashes. Paste an expected hash to compare.
File checksum calculator →Open a file
The opener reads the file's real signature, picks the right engine, and shows the result below — images, video, documents, spreadsheets, archives you can click into, 3D models, and more.
Open a file now →File types A-Z
One page per extension: what the format is, who made it, its signature, and how to open it free in your browser. Start with the first letter of your extension.
File types A-Z →