YAML ↔ JSON Converter
Convert YAML to JSON and JSON to YAML instantly. Validate structure, catch formatting issues, upload files, copy results, and export clean output for developer, DevOps, and config workflows.
Converter Controls
Convert between YAML and JSON, upload files, validate structure, and debug input errors with line highlighting.
Conversion mode
Best for
Kubernetes, GitHub Actions, app config files, API payloads, CI pipelines, and infrastructure data.
Status
Paste YAML or JSON and click convert or validate.
Mode
YAML → JSON
Indentation
2 spaces
Input lines
11
Error location
-
Included features
- YAML to JSON and JSON to YAML conversion in one tool.
- Top control panel for larger input and output editors.
- Line numbers in both panes for easier navigation.
- Error line highlighting in the input gutter.
- One-click jump to the detected error line.
- Code-frame style error preview for invalid input.
- Upload, validate, convert, swap, copy, and download support.
Input error details
Paste YAML or JSON and click convert or validate.
An exact line and column could not be detected from the parser.
What can this YAML and JSON converter do?
This tool converts between YAML and JSON, validates both formats, highlights input errors, supports file upload and download, and helps you clean configuration data for apps, APIs, CI pipelines, and infrastructure tooling.
Common use cases
Use it for Kubernetes manifests, GitHub Actions configs, API payloads, settings files, infrastructure-as-code snippets, and debugging serialized data quickly in your browser.