Chmod Toolkit
Master Linux Permissions
Professional chmod calculator and security scanner for Linux servers. Built for DevOps engineers, sysadmins, and developers.
Master Linux Permissions
Professional chmod calculator and security scanner for Linux servers. Built for DevOps engineers, sysadmins, and developers.
From quick chmod calculations to comprehensive security audits for your Linux and Unix systems, all in one professional toolkit
Interactive permission calculator with real-time numeric and symbolic conversion. Toggle between File and Directory modes for context-appropriate explanations.
Comprehensive permission analysis covering 24 security categories. Detect unsafe permissions, SSH keys, credentials, and configuration issues.
Educational content teaching the 4+2+1 system, user groups, and security best practices. Perfect for students and professionals alike.
Automatically generated chmod commands to fix security issues. Copy individual fixes or generate batch scripts for multiple files.
Export scan results to CSV for professional audit reports. Perfect for compliance documentation and team collaboration.
Full Mac support with keyboard shortcuts, drag-and-drop, context menus, and folder scanning. A true desktop experience.
Whether you're managing Linux servers in production or learning Unix fundamentals, Chmod Toolkit has you covered
Audit Linux server permissions via SSH. Paste terminal output from Ubuntu, CentOS, or any Unix-like system. Import files or use OCR to scan screenshots. Generate fix scripts for rapid remediation.
Security audits, compliance reporting, and permission troubleshooting. Export CSV reports for PCI DSS, SOC 2, and audit documentation.
Detect permission vulnerabilities based on OWASP, CIS Benchmarks, and NIST 800-53. Comprehensive checks for SSH keys, credentials, and sensitive files.
Learn Linux and Unix permissions interactively. Understand the numeric system, practice with real examples, and master security concepts for your coursework.
Buy once, use everywhere. Seamlessly syncs your Pro unlock across all your Apple devices.
iOS 17.0+
iPadOS 17.0+
macOS 14.0+
"Finally, a chmod tool that actually teaches you while you work. The security scanner caught issues I didn't even know to look for."
DevOps Engineer
"The Mac Catalyst version is incredible. Drag-and-drop folder scanning saved me hours during our compliance audit."
System Administrator
"As a CS student, this app made Unix permissions finally click. The visual calculator and examples are brilliant."
Computer Science Student
Your file permissions and scan results never leave your device. No data collection, no tracking, no cloud storage. Everything happens locally.
All calculations, scanning, and OCR happen entirely on your device. No internet connection required.
We don't collect, store, or transmit any of your data. No analytics, no tracking, no servers.
Automatic dark mode support. Easy on your eyes during late-night server maintenance.