Updated June 2026 · runs 100% in your browser
JSON to YAML
Convert JSON into YAML. Paste, convert, copy or download — on your device, no upload.
🔒 Processed on your device · 0 bytes uploaded
How it works
Paste JSON and press Convert to get YAML you can copy or download.
It all runs in your browser with JavaScript, so your data never leaves your device. It stays free, unlimited and private, and works offline once loaded.
About JSON to YAML
YAML is a friendlier, indentation-based format often used for config files. This converts any valid JSON into equivalent YAML.
Frequently asked questions
How do I use JSON to YAML?
Paste JSON and press Convert to get YAML you can copy or download.
Is the conversion lossless?
Yes — the data round-trips; YAML simply represents the same structure in a more readable way.
Is my data uploaded?
No. Everything is parsed and converted in your browser with JavaScript — your data is never sent to a server.
What is a JSON file?
JSON (JavaScript Object Notation) is a lightweight, human-readable text format for structured data. It's the standard for web APIs and config files because both people and programs read it easily.
What is a YAML file?
YAML is a human-friendly data format often used for configuration. It represents the same structures as JSON but uses indentation instead of brackets, making it easy to read.