DevToolbox
Developer utility hub
126 tools available
Categories
Basic Auth GeneratorBcrypt Hash & Verify ToolCertificate Chain ViewerCORS Header GeneratorCSP GeneratorCSR DecoderHash GeneratorHMAC GeneratorJWT DecoderJWT Signer / VerifierPassword Strength CheckerRSA Keypair GeneratorUnix Permission CalculatorX.509 Certificate Decoder

Made withby Shashank Dubey

© 2026 Shashank Dubey. All rights reserved.

DevToolbox
Developer utility hub
HomeAbout
Back to all tools
Security

Unix Permission Calculator

Calculate octal and symbolic Unix file permissions, including setuid, setgid, and sticky bits.

Quick context
  • Runs entirely client-side with no server dependency.
  • Built for copy-paste workflows and fast iteration.
  • Optimized for desktop and mobile editing sessions.
chmodunixpermissions
Octal
755
Symbolic
rwxr-xr-x
chmod
chmod 755
Copy-ready shell command.
Owner
Group
Other
Special bits

Permission flags

Owner, group, other, and special permission bits for the current mode.