Linux chmod builder

Turn permission choices into octal modes. Free, simple, and right here in your browser.

Preparing your tool…
A little possibility, waiting.Your result will appear here.
A useful little guide

How to use linux chmod builder

Build owner, group and other permissions with read, write and execute/search bits and optional special mode bits.

  1. Enter a sample value, color, URL or structured input.
  2. Choose the required format or options and run the tool.
  3. Review the output and copy it into your own workflow.
A real use case

Try this next

Choose owner read/write, group read and other read to produce mode 644.

A detail to keep in mind

Directory execute means search/traversal. Special bits have context-specific effects; this tool explains the mode but does not change any filesystem permissions.

Questions, answered.

Is linux chmod builder free to use?

Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.

What should I check before using the result?

Directory execute means search/traversal. Special bits have context-specific effects; this tool explains the mode but does not change any filesystem permissions.

Does this tool upload my files or text?

The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.

A little more in your toolkit

See the category