JSON and YAML

Runs locally

Convert between JSON and YAML safely with syntax checks.

Safe parsing is used. Custom YAML tags are not executed.

Source & licensesopen-source components and licenses

Two-way · Syntax validated · Config-file friendly

About this tool

How to use

  1. Paste JSON or YAML.
  2. Pick the conversion direction.
  3. Once validation passes, copy the result.

Features

  • JSON ↔ YAML both ways
  • Syntax checked — bad input errors out first
  • Processed locally
  • Free, no sign-up

Privacy

Your config content never leaves the browser.

FAQ

What syntax is supported?

Standard JSON and YAML. Invalid syntax fails loudly instead of silently producing wrong output.

Is it free? Do I need an account?

Free, and no login required.

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