Data Runs locally
JSON ↔ YAML converter
Convert JSON to YAML or YAML to JSON on one private browser page. Supports nested objects and arrays without uploads.
JSONYAML
Private · browser only
Your data stays in this browser. Nothing is uploaded.
Conversion directions
Direction 01
JSON to YAML
Convert JSON configuration into readable YAML.
Direction 02
YAML to JSON
Parse YAML configuration into formatted JSON.
Frequently asked questions
Can I convert YAML back to JSON here?
Yes. Swap changes the direction on this same page and keeps both tasks under one canonical URL.
Does this JSON YAML converter upload my configuration?
No. Parsing and serialization run entirely inside your browser.