JSON â†” YAML

Bidirectional conversion powered by js-yaml, plus a Format YAML action for cleaning indented documents. Convert JSON to YAML, YAML to JSON, and format YAML docu

Introduction

JSON ↔ YAML Converter is a free, browser-based utility in our JSON Tools collection. Bidirectional conversion powered by js-yaml, plus a Format YAML action for cleaning indented documents. JSON ↔ YAML Converter helps you move config between JSON and YAML formats locally, including YAML formatting and validation via parse errors. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include json → yaml.

Features

JSON → YAML
YAML → JSON
Format/validate YAML
Copy either document

How to use

1
Paste JSON or YAML.
2
Convert or format as needed.

Example

Object

Input

{"active":true}

Output

active: true

Benefits

Run JSON ↔ YAML entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
JSON → YAML
YAML → JSON
Format/validate YAML
Pair it with JSON ↔ XML and JSON Formatter when your workflow needs adjacent utilities.

FAQs

Parsing uses the js-yaml library in the browser.

No.

You’ll see a parse error message.

Yes. JSON ↔ YAML on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. JSON ↔ YAML runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Bidirectional conversion powered by js-yaml, plus a Format YAML action for cleaning indented documents. It fits everyday json tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: JSON → YAML; YAML → JSON; Format/validate YAML; Copy either document.

Developers often pair JSON ↔ YAML with JSON ↔ XML, JSON Formatter, JSON Diff. Open Related tools on this page for quick links.