418.tools

Developer utilities, no strings attached. No accounts. No setup. Just open and use.

Sprint retro

Run engaging retrospectives with your team. Speed boat, 4L, and more.

Estimate stories together in real-time.

Create strong, customizable passwords. Nothing leaves your browser.

Generate UUIDs v4 instantly. Copy with one click.

Build and decode cron expressions in plain language.

Convert unix timestamps to human-readable dates and back.