MetaTools

JSON YAML

JSON ↔ YAML Converter

Overview

Free JSON ↔ YAML converter. Convert data formats instantly with clean, readable output.

Convert JSON to YAML or YAML to JSON quickly.

Common workflows

  • Format and validate JSON before committing, debugging, or pasting payloads into API tools.
  • Decode JWTs, Base64 strings, URL-encoded text, and HTML entities while investigating data flow issues.
  • Preview HTML, CSS, and JavaScript together or convert between related web data formats like CSV, JSON, and YAML.

FAQ

Does it preserve structure?

Yes, it converts while preserving the full data structure.

Are anchors supported?

Anchors are resolved; the output is plain JSON/YAML.