Useful
tools

Everything runs right here in your browser. What you paste never leaves this page — only DNS lookups go to Google Public DNS, Whois asks the domain or IP registry, My IP asks ipwho.is, and the calculator fetches exchange rates.

21 tools
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EN · RU calculator

YAML linter & validator

Checks syntax as you type, points to the exact line, and warns about classic traps: tabs, duplicate keys, trailing spaces, and yes / no / on / off that YAML 1.1 tools (Ansible, older Kubernetes) read as booleans. Paste YAML or drop a .yml file.

YAML