Is this JSON to YAML converter safe for configuration files?

Yes. All conversion happens locally in your browser. Your JSON is never uploaded, stored or transmitted, which makes it safe for private configs, tokens and CI secrets.

Does it handle nested objects and arrays?

Yes. Objects and arrays are converted recursively. Lists of objects become YAML block sequences with proper indentation, and nested maps are emitted with two-space indentation.

Can I convert the YAML back to JSON?

Yes. Use the companion YAML to JSON converter on this site. The two tools work the whole pipeline with no data leaving your browser.

JSON & CSV

JSON to YAML Converter

Paste any JSON document and get a valid YAML representation in return. The converter maps objects, arrays, strings, numbers and booleans to YAML with correct two-space indentation, quotes values that need escaping and keeps nested structures readable. Everything runs in your browser, so config files and API payloads never leave your machine.

100% Client-Side — Your Data Never Leaves Your Browser

What is JSON to YAML Converter?

Turn JSON objects and arrays into clean, indented YAML in one click. Paste any JSON document and get a valid YAML representation in return. The converter maps objects, arrays, strings, numbers and booleans to YAML with correct two-space indentation, quotes values that need escaping and keeps nested structures readable. Everything runs in your browser, so config files and API payloads never leave your machine. The tool runs 100% in your browser — nothing is uploaded to a server, so your data stays private, and it is free to use with no signup required.

Quick Answers

Is this JSON to YAML converter safe for configuration files?: Yes. All conversion happens locally in your browser. Your JSON is never uploaded, stored or transmitted, which makes it safe for private configs, tokens and CI secrets.
Does it handle nested objects and arrays?: Yes. Objects and arrays are converted recursively. Lists of objects become YAML block sequences with proper indentation, and nested maps are emitted with two-space indentation.
Can I convert the YAML back to JSON?: Yes. Use the companion YAML to JSON converter on this site. The two tools work the whole pipeline with no data leaving your browser.

JSON input

0 chars

YAML output

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How do I use JSON to YAML Converter?

Paste your JSON into the input box.
The YAML representation is generated instantly as you type.
Copy the output or download it as a .yaml file.

Why use our json to yaml converter?

This JSON to YAML converter is built for developers and DevOps engineers who work with Kubernetes, Docker Compose, GitHub Actions and other YAML-based files but prefer to author in JSON. It automatically detects arrays of objects and emits the correct `- item` list syntax, preserves key order, and quotes scalar values that YAML would otherwise misinterpret (such as strings like `yes`, `123` or values with colons). Because conversion is fully client-side, secrets and configs stay confidential.

JSON vs YAML — what changes during conversion

JSON and YAML are both data serialization formats, but they are written differently. This table shows the key differences you will see when a JSON document becomes a YAML file.

Aspect	JSON source	YAML output
Indentation	Optional whitespace, braces {} define structure	Whitespace indentation is the structure; no braces
Strings	All strings must be double-quoted	Quotes are optional for most values
Booleans	true / false only	true / false, yes / no, on / off all accepted
Comments	Not supported	Native support with #
Best for	API payloads and wire interchange	Config files and infrastructure-as-code

Real-world example: converting an API config to Docker Compose

A common production task is moving a JSON app config into a YAML file so that Docker Compose, GitHub Actions or n8n can read it. Here is a JSON payload before and after the conversion this page performs.

Input JSON

{
  "service": "checkout",
  "port": 8080,
  "retries": 3,
  "debug": false,
  "endpoints": ["/pay", "/refund"],
  "db": { "host": "db.internal", "pool": 5 }
}

Converted YAML

service: checkout
port: 8080
retries: 3
debug: false
endpoints:
  - /pay
  - /refund
db:
  host: db.internal
  pool: 5

Paste a JSON export from your API (Postman, a backend log, or a database dump) and the YAML is ready to drop into a compose file or a CI pipeline.

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