Chmod Toolkit
Scan & fix file permissions
Free · In‑App Purchases
On-device chmod calculator, chmod & permission scans and. Buy once — iPhone · iPad · Mac. No ads, no tracking.
Chmod Toolkit is the essential Unix permissions tool for developers, sysadmins, students, and security professionals. Calculate chmod values using the chmod calculator, detect unsafe permissions, and master file security—no ads, no tracking, all on-device.
CALCULATOR
Interactive octal ⇄ symbolic (rwx) converter with setuid/setgid/sticky bits, file vs directory mode, presets, and one-tap copy of the full chmod command.
LEARN & EXAMPLES
Clear, beginner-friendly guides on how chmod works (the 4+2+1 system, user groups) plus real-world permission recipes with security notes.
SECURITY SCANNER (Pro)
Audit server permissions by pasting ls -la output, importing text files (.txt, .rtf), or scanning screenshots with OCR. Detects Critical/Warning/Safe issues and generates a Fix-All script of recommended chmod commands.
Detection based on industry standards:
• Violates least privilege principle
• Files readable/writable by unauthorized users
• Executables with excessive permissions
• Common security misconfigurations
• CIS Benchmark recommendations
CSV EXPORT (Pro)
Export results with name, path, numeric & symbolic permissions, and severity—ready for Excel/Numbers.
MAC-EXCLUSIVE FEATURES
Universal Purchase includes the Mac version with:
• Local folder scanner with drag & drop from Finder
• Sidebar navigation with keyboard shortcuts
• Right-click context menus (Copy Path, Fix, Reveal in Finder)
• Native Mac toolbar and window management
PRIVACY & DESIGN
No login. No tracking. All analysis runs on your device. Your files stay private.
Automatic dark mode included—adapts to your system settings.
Universal Purchase: Buy once, use on iPhone, iPad, and Mac.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
The developer, Robert Frederique, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Robert Frederique
- Size
- 1.2 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Features $2.99
- Copyright
- © 2025 Robert Frederique
