YAML to JSON
Convert YAML to JSON for developer workflows, configuration inspection, and data transformation.
This page requires the yaml package in your project: npm install yaml
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Privacy: conversion runs locally in your browser. No YAML data is stored or transmitted.
How it works
Paste YAML into the input area and convert it to formatted JSON output.
Examples
- name: Alex → JSON object field
- - item → JSON array item
- nested: → nested JSON object
When to use this tool
This tool is designed for quick, practical tasks such as everyday calculations, data formatting, or simple conversions. It is best used when you need fast results without installing software or using complex tools.
When to use
- Quick checks or one-time calculations
- Validating or converting data before using it elsewhere
- Simple tasks that do not require advanced software
When not to use
- Critical financial, legal, or medical decisions
- Large-scale or automated processing
- Situations requiring guaranteed precision beyond basic validation
Always review results before using them in important contexts.
About this tool
This tool helps you format and validate JSON data for readability and debugging. It runs entirely in your browser without sending data to a server.
You can use this tool when working with APIs or cleaning up structured data. The results should be interpreted as a properly formatted JSON structure or validation feedback.
FAQ
- What does this YAML to JSON tool do?
It parses YAML input and converts it to JSON output.
- Does it support nested objects and arrays?
Yes. Valid YAML structures such as nested mappings and sequences are supported by the YAML parser.
- What if the YAML is invalid?
The tool shows a parse error and does not generate JSON output until the YAML is valid.
- Is my YAML stored?
No. Conversion runs locally in your browser and is not stored or transmitted.