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cron2systemd dev utilities

Flagship

OnCalendar ↔ crontab converter All tools

Scheduling

Cron → timer units Crontab generator

systemd

Service unit builder journalctl builder

Network

CIDR calculator nginx reverse proxy Caddyfile generator Keepalive calculator BIND zone formatter iptables builder

Containers

docker run → Compose K8s Secret encoder

Auth

htpasswd generator ssh-keygen builder

HTTP

cURL → Python

Time

Epoch converter

Files

chmod calculator

Data

JSON → YAML UUID v4 generator Regex tester

All tools / Files

chmod permissions calculator

Convert Unix file modes both ways: 755 ↔ rwxr-xr-x, with setuid, setgid, and sticky bits.

Octal (e.g. 755 or 4755) Symbolic (e.g. rwxr-xr-x)

ReadWriteExec Owner Group Other

setuid (4xxx) setgid (2xxx) sticky (1xxx)

chmod command

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