DevOps tools

.gitignore Generator

Build a merged .gitignore from language, editor, and OS templates — Node, Python, Go, Rust, Java, VSCode, JetBrains, macOS, Windows, and more. No account, nothing leaves your browser.

Cron Expression Builder

Build or decode cron expressions. Enter a cron schedule and get a plain-English description plus the next 10 run times.

Crontab to systemd Timer Converter

Convert a crontab line into a systemd .service + .timer pair, including the two-OnCalendar-line trick for cron's day-of-month/day-of-week OR behavior. No account, nothing leaves your browser.

Docker Compose Generator

Build a valid Docker Compose file from a form — services, images, ports, volumes, environment variables, and restart policy. No account, nothing leaves your browser.

Dockerfile Generator

Generate a Dockerfile from a form — base image, workdir, copy and run steps, exposed ports, and an optional multi-stage build. No account, nothing leaves your browser.

Firewall Rule Builder

Build firewall rules from a form and get the equivalent nftables ruleset, iptables commands, and ufw commands, side by side. No account, nothing leaves your browser.

Kubernetes Manifest Generator

Generate a Kubernetes Deployment, Service, and optional Ingress manifest from a form — replicas, resource limits, probes, and env vars. No account, nothing leaves your browser.

Reverse Proxy Config Generator

Generate a reverse proxy config for Caddy or nginx from one form — domain, upstream, TLS, WebSocket upgrade, and security headers. No account, nothing leaves your browser.

SSH Config Builder

Build an SSH config file from a form — host aliases, ports, identity files, ProxyJump, and keepalives. No account, nothing leaves your browser.

Unix Timestamp Converter

Convert Unix timestamps (epoch) to human-readable dates and back. Supports seconds and milliseconds, with timezone selection.

chmod & umask Calculator

Convert Linux/Unix file permissions between checkboxes, symbolic notation, and octal — plus a umask calculator showing the resulting default file and directory permissions.

rsync Command Builder

Build an rsync command from checkboxes with plain-English explanations of every flag — archive mode, deletes, excludes, dry-run, and SSH transport. No account, nothing leaves your browser.

systemd Service & Timer Builder

Generate a systemd .service and .timer unit pair from a form — command, user, schedule, and the systemctl commands to enable it. No account, nothing leaves your browser.