Free Security & IT Tools
Powerful, privacy-focused tools for cybersecurity professionals, network administrators, and developers. All tools run locally in your browser - no data sent to servers.
Password Generator
Generate cryptographically secure passwords with customizable length and character sets. Uses Web Crypto API for true randomness.
Subnet Calculator
Calculate network addresses, broadcast addresses, usable hosts, and subnet masks from IP addresses and CIDR notation.
Hash Generator
Generate SHA-256, SHA-384, SHA-512, and SHA-1 cryptographic hashes for text and files.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View header, payload, claims, and check expiration.
DNS Lookup
Look up DNS records for any domain. Check A, AAAA, MX, CNAME, NS, TXT, and SOA records.
SSL Certificate Monitor
Check SSL/TLS certificates for any domain. Monitor multiple domains, bulk check up to 10 sites.
Vulnerability Scanner
Scan websites for security misconfigurations, missing security headers, SSL issues, and common vulnerabilities.
Why Use Our Tools?
Built by security professionals, for security professionals.
Privacy First
All processing happens in your browser. Your data never leaves your device.
Instant Results
No waiting for servers. Get results instantly with client-side processing.
Professional Grade
Built using industry standards and best practices for accuracy.
100% Free
No subscriptions, no hidden fees. Free tools for the community.
Need a Custom Tool?
We're always working on new tools. Let us know what you need and we'll consider it for our roadmap.
Request a Tool