Free Tools
Free tools for IT students — a CV builder and networking calculators. No sign-up needed, no watermark, no trial.
- CareerCV BuilderA modern, recruiter-ready CV in minutes — free PDF, no watermark, with your verified Hurbad certificates.Open tool
- NetworkingSubnet CalculatorNetwork, broadcast, host range and mask for any IPv4 subnet — plus a VLSM planner.Open tool
- NetworkingSubnetting Practice QuizTen-question rounds with instant grading and the block-size method explained.Open tool
- NetworkingBinary ConverterBinary, decimal and hex both ways — and IP addresses to binary, octet by octet.Open tool