CYRUSX

CyrusX Pro

Advanced tools for serious engineers.

Unlimited access, pro-only tools, and everything you need for real engineering work — all in one platform.

Free

$0

No account required.

  • Subnet Calculator
  • IP to Binary Converter
  • DNS Lookup
  • MAC Address Lookup
  • WHOIS Lookup (5/day)
  • BGP / ASN Lookup (5/day)
  • URL Scanner (5/day)
  • IP Reputation Lookup (5/day)
  • SSL Certificate Checker (5/day)
  • Password Breach Checker (5/day)
  • Email Header Analyzer (5/day)
  • Hash Generator
  • JWT Decoder
  • Base64 Encoder / Decoder
  • HTTP Headers Inspector (5/day)
  • Ping / Connectivity Checker (5/day)
Browse Free Tools

Pro

Recommended

$9.99/month

Everything in Free, plus:

  • Unlimited access on all rate-limited tools
  • Domain Intelligence — WHOIS, DNS, SSL, IP rep, subdomains & ports in one scan
  • Port Scanner — scan 18 common TCP ports from CyrusX servers
  • Bulk IP Lookup — up to 100 IPs at once with CSV export
  • RF Link Budget with throughput-vs-distance charts
  • Advanced Subnet Breakdown with wildcard masks
  • VLSM Calculator for subnet allocation planning
  • Network Dashboard with speed test
  • Network Scanner — LAN device, MAC, and vendor detection
  • Early access to new tools

Cancel anytime. New tools added continuously.