UlvixorJSON to YAML and YAML to JSON Converter
Convert between JSON and YAML in both directions, with clear error validation for each format. Everything runs in your browser, with no data ever uploaded to a server.
How it works
- Choose the tab for the conversion you need: JSON to YAML or YAML to JSON.
- Paste or type your content into the input panel (or use the built-in example).
- The tool validates the input format and shows a clear error if it isn't valid.
- The result updates instantly in the output panel, ready to copy.
- Copy the result or download it as a .yaml or .json file, as appropriate.
Use cases
- Convert a YAML configuration file (for example from Docker Compose or Kubernetes) to JSON for processing with code.
- Turn an API's JSON response into YAML for a configuration file.
- Migrate configuration files between tools that use different formats.
- Visually review and compare the same data structure in both JSON and YAML.