YAML ↔ JSON Converter
Convert between YAML and JSON, or format either format. All processing happens in your browser — no data is sent to any server.
Sample:
About YAML ↔ JSON Converter
This free online YAML/JSON converter lets you instantly convert between YAML and JSON formats, or format/beautify either format. All processing happens entirely in your browser using the battle-tested js-yaml library — no data is ever sent to a server.
Features
- Convert YAML to pretty-printed JSON (2-space indent)
- Convert JSON to clean, readable YAML
- Format and beautify YAML input
- Format and beautify JSON input
- Clear error messages for invalid syntax
- 100% client-side — your data never leaves your browser