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Developer Tools

Free tools for developers who deploy and manage web apps. No signup required.

Uptime Calculator

Convert uptime percentages to real downtime. See exactly how much downtime 99.9% vs 99.99% means.

Chmod Calculator

Set Linux file permissions visually. Toggle checkboxes, get the chmod command instantly.

JSON / YAML Converter

Convert between JSON and YAML instantly. Paste, convert, copy. Runs in your browser.

Webhook Tester

Send HTTP requests to any endpoint. Test webhooks, debug APIs, inspect responses.