Tools

Practical calculators and utilities for Cloud, DevOps, Platform, and Networking work. Everything runs in your browser — no sign-up, no server round-trip for local maths.

Available now

Tool	What it does
Subnet Calculator	Network, broadcast, CIDR, wildcard, host range, binary, and step-by-step IPv4 maths

Coming next

Networking calculators first, then everyday engineering utilities:

1. CIDR calculator
2. IP range calculator
3. IPv6 calculator
4. VLSM calculator
5. Supernet calculator
6. JSON formatter
7. YAML formatter
8. JWT decoder
9. Password generator
10. Hash generator
11. UUID generator
12. Cron generator
13. chmod calculator
14. Base64 encoder
15. DNS lookup
16. SSL checker
17. Kubernetes resource calculator

Prefer learning the concepts behind these tools? Start with Networking and the Linux course.