Parse YAML to JSON with file upload, indent control, download, and validation — instant browser conversion.
Step-by-step guide to get the most from this tool
Type YAML or upload a .yaml/.yml file.
Pick 2-space, 4-space, or minified JSON.
See formatted JSON with type and size stats.
Copy JSON or download as converted.json.
What makes this tool stand out
Load YAML from disk.
2, 4 spaces, or minified.
Save JSON file locally.
Round-trip and error messages.
One-click JSON copy.
Browser-only parsing.
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Quick answers to common questions
Nested objects, lists, booleans, null, numbers, and quoted strings.
Yes. Use Upload file for .yaml, .yml, or .txt files.
Yes. Select 2 spaces, 4 spaces, or minified output.
Valid YAML is re-serialized to confirm the parse succeeded cleanly.
Yes. Click Download to save converted.json.
Anchors, aliases, and multi-document files need dedicated tools. This handles common configs.
No. Parsed entirely in your browser.
Use the YAML Formatter tool for JSON-to-YAML conversion.
Your data is processed entirely in your browser. Nothing is sent to any server.