chmod Calculator — Free, No Upload, Browser-Based

Convert Unix file permissions instantly between numeric (octal), symbolic, and human-readable formats — all inside your browser with no upload and no server involved. Toggle individual read, write, and execute bits visually, type a numeric code like 755, or paste a symbolic string like rwxr-xr-x and every representation updates in real time. Copy the chmod command directly, or use common presets for typical file and directory setups.

Jak używać tego narzędzia

1. Choose your preferred input mode — Visual (toggle checkboxes), Numeric (type an octal code like 755), or Symbolic (type a string like rwxr-xr-x).
2. Set the permissions for Owner, Group, and Other using the selected input mode, or pick a common preset such as 644, 755, or 600.
3. Copy the numeric code, symbolic notation, or the ready-to-use chmod command from the result panel.