About this tool
Unix Permissions Calculator — Convert between chmod octal, symbolic and permission bit toggles. Free, fast and private. Runs entirely in your browser at Quick
Who uses the Unix Permissions Calculator?
Common scenarios and audiences for this tool.
Linux admins
Use the tool for linux admins workflows without leaving the browser.
Developers
Speed up developers tasks with instant local processing.
DevOps
Handle devops checks during development or review.
Security teams
Support security teams with a private, signup-free utility.
Students
Ideal for students when you need quick, repeatable results.
Frequently asked questions
Everything you need to know about the Unix Permissions Calculator.