• Chmod Calculator is an online utility to convert Linux permissions for files or directories on servers between different formats (symbolic, numeric).

  • Easy to use:

    Check the desired boxes or
    directly enter a valid numeric value (e.g. 644) or
    symbolic notation (e.g. rw-rw-r--)
    to see its value in other formats.

  • File permissions in Linux file system are managed in three distinct scopes: user/owner, group and others. Each scope can have read, write and execute permissions. File permission can be represented in a numeric or symbolic format.