Welcome to AiCybr
Free online tools, technical tutorials, and practice quizzes for developers and IT professionals. Client-side utilities, Linux guides, cybersecurity resources, and CompTIA certification prep.
Sections
🎯 Performance-Based Questions NEW →
Hands-on certification practice with simulated CLI, drag-drop scenarios, and firewall configs. CCNA, Security+, Network+, A+, Linux+ ready.
Online Tools →
A collection of 60+ free utilities including document converters, image tools, and developer helpers. All tools run in your browser.
Tutorials →
Step-by-step guides for Linux commands, cybersecurity basics, and system administration.
Practice Quizzes →
Interactive practice tests for CompTIA certifications and Linux command line skills.
Blog →
Articles about technology updates, tool reviews, and general tech topics.
Support Us →
Help keep these tools free and available by supporting the project.