Free developer tools

Every tool runs entirely in your browser. No sign-up, and nothing you type leaves your device.

Hosting
Hosting Cost Calculator
Estimate monthly bandwidth and a rough hosting cost range for free tiers, budget VPS and managed platforms.
Open tool
Coming soon
.env File Generator
Build a clean .env file with typed placeholders and a matching .env.example for your repo.
Coming soon
Cron Expression Builder
Pick a schedule in plain words and get a cron expression with the next run times explained.