Online Tools for SysAdmins
A comprehensive collection of professional network and system administration tools designed for speed, accuracy, and reliability.
WHOIS Lookup
Lookup domain registration information
networkDNS Lookup
Query DNS records for any domain
networkIP Calculator
Calculate subnet and network information
networkSSL/TLS Checker
Check SSL certificate details
networkSecurity Headers Analyzer
Analyze HTTP security headers and get security score
networkSecurity Headers Generator
Generate production-ready security headers config for servers & frameworks
networkWhat is My IP
Check your public IP address and connection info
networkMail Server Checker
Check MX records, SPF, DKIM, DMARC, and blacklist status for email domains
networkPassword Generator
Generate secure and memorable passwords
securityHash Generator
Generate MD5, SHA-256, SHA-512 hashes and verify data
securityBase64 Encode-Decode
Convert text to Base64 and decode back
securityAES-256-GCM Encrypt
Military-grade encryption with Argon2id key derivation
securityCSR Generator
Generate Certificate Signing Request and private key for SSL certificates
securityHTPasswd Generator
Generate .htpasswd entries for Apache & Nginx auth
securityCertbot Generator
Generate Certbot SSL certificate commands
securityMySQL Dump Generator
Generate MySQL backup scripts
databasePostgreSQL Dump Generator
Generate PostgreSQL backup scripts
databaseMySQL User Manager
Create users, databases, and manage privileges
databasePostgreSQL User Manager
Create users, databases, and manage PostgreSQL access
databaseApache VHost Generator
Generate Apache virtual host configurations
server.htaccess Generator
Generate Apache .htaccess configurations with presets
serverNginx Server Block
Generate Nginx server block configurations
serverSystemd Binary Apps
Generate systemd service for Go, Rust, or binary apps
serverSystemd Python Apps
Generate systemd service for Flask, Django, FastAPI
serverIPTables Generator
Generate firewall rules with Cloudflare support
serverUFW Generator
Generate UFW firewall scripts for Ubuntu/Debian
serverFirewalld Generator
Generate firewalld scripts for RHEL/CentOS/Fedora
serverWireGuard Config Generator
Generate WireGuard VPN configurations with QR codes
networkCrontab Generator
Generate cron expressions easily
utilitiesLinux Commands Snippet
88 essential Linux commands that are hard to remember
utilities