Free browser-based utilities for IT professionals. No data leaves your browser.
Generate cryptographically strong passwords
Calculate network ranges from IP/CIDR
Base64, URL, and HTML encode/decode
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Transform, compare, and format text
Unix timestamps ↔ human-readable dates
Query A, AAAA, MX, TXT, NS, CNAME records
Check SSL status and certificate details