Config

Config Validator

Validate JSON, YAML, and TOML with plain-English error explanations.

Input
0 chars⌘ Enter
?
Ready to validate
Paste a config and click Validate
📋

Errors and explanations will appear here.

Try an example with intentional errors

Related tools

Config Formatter & ConverterFormat and pretty-print JSON, YAML, and TOML — and convert between them.Config VisualizerExplore JSON, YAML, and TOML as an interactive collapsible tree.