YAML ↔ JSON converter
Free · no sign-upConvert YAML to JSON and JSON back to YAML — right in your browser.
Convert YAML to JSON and JSON back to YAML in seconds. Paste YAML to get formatted JSON, or paste JSON to get clean YAML. Everything runs in your browser; nothing is uploaded. Free, no sign-up.
- ✓YAML → JSON and JSON → YAML
- ✓Standard YAML 1.2 parsing
- ✓Pretty-printed output
- ✓Copy the result in one click
- ✓Runs in your browser — nothing uploaded
Who it's for
- Turning a config file into JSON
- Converting an API payload to YAML
- Reading a Docker or CI YAML as JSON
- Quick format switching
How it works
- 1Choose a direction (YAML→JSON or JSON→YAML).
- 2Paste your data.
- 3See the converted output.
- 4Copy it.
Frequently asked questions
How do I convert YAML to JSON?+
Paste your YAML on the YAML → JSON tab and the formatted JSON appears instantly. Comments and anchors are resolved as part of parsing.
How do I convert JSON to YAML?+
Switch to JSON → YAML and paste valid JSON; you get clean, indented YAML back.
Which YAML version is supported?+
It uses a standard YAML 1.2 parser, so common config files (maps, sequences, scalars, nesting) convert as expected.
Is my data uploaded?+
No. The conversion runs entirely in your browser; your data never leaves your device.
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