100%FREE

Free YAML to JSON Converter

Convert YAML to formatted JSON in your browser, with clear error messages.

Supports YAML 1.2, anchors and multiple documents; switch direction for JSON to YAML.

  • Runs locally
  • Paste YAML
  • Pick the indent
  • Copy or download JSON
  • Free
  • No sign-up
  • Runs in your browser
  • No watermark

YAML 1.2. Multiple documents separated by --- become a JSON array. Comments are not kept in JSON.

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Use cases

Where it helps

Quick answers

Open the page and get a result without installing an app.

Any computer

It works in a current browser on Windows, macOS, Linux or ChromeOS.

Nothing to clean up

Close the tab when you are done. PoYo keeps no copy.

Three steps

How to use Free YAML to JSON Converter

01

Paste YAML

Config files, Kubernetes or GitHub Actions.

02

Pick the indent

2 or 4 spaces.

03

Copy or download JSON

Errors show the line where parsing stopped.

Features

What this tool includes

Runs locally

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Paste YAML

Config files, Kubernetes or GitHub Actions.

Pick the indent

2 or 4 spaces.

Copy or download JSON

Errors show the line where parsing stopped.

PoYo

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These free tools work on files you already have. To create an image, video or audio from a description, open a PoYo generator.

Free YAML to JSON Converter FAQ

Do I need an account?

No. Open the page and use it.

Is what I enter sent anywhere?

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Does it cost anything?

No. It is free and does not use PoYo credits.

Can I use it on my phone?

Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.

All free tools

Free to use, right in your browser.

Convert YAML to formatted JSON in your browser, with clear error messages. Supports YAML 1.2, anchors and multiple documents; switch direction for JSON to YAML.

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