Chmod Calculator
Calculate Unix/Linux file permissions visually.
Chmod Value
755
rwxr-xr-x
chmod 755 file
Calculate Unix/Linux file permissions visually.
rwxr-xr-x
chmod 755 file
Use Shawon Calculators' free chmod calculator to get instant, accurate results directly in your browser. No data is stored or transmitted — all calculations happen locally on your device for complete privacy.
Calculate Unix/Linux file permissions (chmod). Convert between numeric and symbolic notation. Free chmod permission calculator. Part of our Developer calculators collection, trusted by students, professionals, and everyday users worldwide.
Input your numbers into the calculator fields
Results are calculated instantly as you type
Copy results or use them for your needs
Uses standard mathematical formulas and algorithms verified against professional tools.
Your data never leaves your device. All calculations happen locally in your browser.
No hidden fees, no registration. 51+ calculators available for unlimited use.
Responsive design works perfectly on desktop, tablet, and mobile browsers.
chmod (change mode) is a Unix/Linux command to set file permissions. It controls who can read, write, and execute files and directories.
755 means the owner can read, write, and execute (7); the group can read and execute (5); and others can read and execute (5).
Yes, 100% free with no registration.
Enter either the numeric value (like 755) or check the permission boxes. The calculator shows both representations instantly.
Shawon Calculators provides 49+ free online calculators across financial, health, math, developer, date/time, and utility categories. Every calculator runs entirely in your browser — no data is sent to any server, ensuring your financial, health, and personal information stays completely private.
From mortgage and loan calculators to BMI, calorie counters, and scientific calculators — our tools cover everyday math, finance, health, and development needs. All calculators provide instant results with no registration, no ads interrupting calculations, and no usage limits. Works on Chrome, Firefox, Safari, Edge, and all modern browsers on any device.