Free SSH & DevOps Tools

Generate RSA, Ed25519, and ECDSA SSH keys securely in your browser.

Test if SSH port 22 is open on any server. Diagnose firewall and connection issues.

Generate ~/.ssh/config entries visually. Build config files with host aliases, jump hosts, and identity files.

Validate SSH public and private keys. Check key type, format, fingerprint, and comment.

Convert PEM SSH keys to PPK format for PuTTY. Validate keys and get step-by-step conversion instructions.

Generate, validate, and translate cron expressions. Visual cron builder with human-readable descriptions.

Convert cron expressions to systemd .service and .timer files with OnCalendar syntax.

Generate systemd .service, .timer, and .socket unit files visually. Set ExecStart, User, Restart, env vars, and Install target.

Validate systemd unit files. Paste a .service, .timer, .socket, or .mount file and catch missing directives, bad syntax, and errors.

Visual builder for ecosystem.config.js. Configure cluster mode, env vars, watch, and max_memory_restart.

Convert a PM2 app entry into a systemd .service unit file with cluster template support.

Convert nginx server blocks to Caddyfile syntax. Maps reverse_proxy, TLS, redirects, and headers.

Generate Traefik v2/v3 Docker labels visually. Build host rules, TLS, redirects, basic auth, and middleware.

Convert iptables rules to nftables. Translates chains, NAT, conntrack, and common matchers.

Paste any rsync command and instantly see what every flag does, with risky-flag warnings.

Generate a bash setup script for a fresh Ubuntu or Debian VPS. Hardens SSH, configures UFW, fail2ban, Docker, and unattended upgrades.