EasyConvert / Security & Tokens
Chmod Calculator
Calculate Linux/Unix file permissions with octal numbers and symbolic notation. Free browser-based tool with no signup required.
About Chmod Calculator
Calculate Linux/Unix file permissions with octal numbers and symbolic notation.
The tool is designed to process data in the browser unless the interface explicitly states that a network request is required.
How to use this tool
- Enter or select the permission matrix, octal value, symbolic string value you want to work with.
- Review the available settings, then run the calculate action.
- Review the octal permission, symbolic notation, chmod command output and use the copy or download action when the tool provides one.
What you can do with Chmod Calculator
- Calculate chmod permission
- Convert 755 to symbolic
- Generate chmod command
Frequently asked questions
Is Chmod Calculator free?
Yes. EasyConvert tools are completely free to use without an account or signup.
Can I use it on mobile?
Yes. The interface is fully responsive and works smoothly in all modern desktop and mobile browsers.
Is my data secure?
Yes. Processing is performed locally in your browser. Sensitive inputs are never stored or logged.