Network tools for engineers,
not managers.
15 free network & security tools plus a multi-vendor config generator for Cisco, Palo Alto, Juniper, Fortinet, and Arista — all in one place.
Network Tools
Subnet, DNS, WHOIS, port scanner and more
Subnet Calculator
IPv4 network, broadcast, hosts, wildcard mask
DNS Lookup
A, MX, SPF, DMARC, DKIM, blacklist checks
WHOIS Lookup
Domain registration & IP block info via RDAP
IP Geolocation
Country, city, ISP, ASN for any IP
Port Scanner
Check top 100 common ports on any host
MAC Lookup
Identify hardware vendor from MAC address
Security Tools
SSL, JWT, CVE, password generator and more
SSL Checker
Certificate details, expiry, chain validity
HTTP Headers
Inspect response headers & security settings
Password Generator
Cryptographically secure passwords
Hash Generator
SHA-1, SHA-256, SHA-384, SHA-512
JWT Decoder
Decode & inspect JSON Web Tokens
CVE Lookup
Search vulnerabilities via NVD database
IP Reputation
Abuse score, proxy/Tor/hosting flags
Base64
Encode and decode Base64 strings
Config Generator
Fill a form → get a production-ready config. No AI, no hallucinations — pure templates.
Why PermitANY?
Everything in one place
Stop jumping between 5 tabs. Subnet calc, DNS lookup, WHOIS, CVE search, config templates — all here, all free.
Template-based, not AI
Configs generated from battle-tested templates. No hallucinated commands. Copy-paste safe for production.
No account required
Every tool works instantly. No signup, no rate limits on the free tier, no credit card.
See it in action
hostname RTR-CORE-01 ! ip domain-name corp.example.com ! enable secret <hashed> ! username admin privilege 15 secret <hashed> ! crypto key generate rsa modulus 2048 ip ssh version 2 ! line vty 0 15 login local transport input ssh exec-timeout 10 0 ! ntp server 0.pool.ntp.org ntp server 1.pool.ntp.org ! logging 10.0.0.200 logging trap informational ! no ip http server no ip http secure-server no cdp run