YAML ↔ JSON ↔ TOML

Bidirectional conversion between YAML, JSON, and TOML with syntax checking.

Privacy: 100% Client-Side. Your data never leaves this browser tab. Processing uses Web APIs and client-side libraries only.

Bidirectional conversion between YAML, JSON, and TOML — client-side only.

{
  "name": "utilxo",
  "enabled": true,
  "tags": [
    "dev",
    "tools"
  ]
}
name: utilxo
enabled: true
tags:
  - dev
  - tools

name = "utilxo"
enabled = true
tags = [ "dev", "tools" ]

Why convert YAML, JSON, and TOML?

Config files often move between YAML (Kubernetes, CI), JSON (APIs), and TOML (Rust/Python tooling). Small syntax mistakes cause noisy deploy failures.

This converter round-trips formats locally with validation so you can fix structure before committing.

How to use this tool

  1. Paste YAML, JSON, or TOML into the editor.
  2. Convert to the target format and fix any reported syntax errors.
  3. Copy the output into your config repo or app.

Frequently asked questions

Is my config uploaded?

No. Conversion and validation run in your browser only.