Private JSON tool
YAML to JSON Converter
Convert YAML into pretty JSON locally in your browser. Pasted text and opened files are not uploaded.
About browser YAML to JSON conversion
This page parses YAML text in the browser and writes JSON from the parsed value. There is no server conversion endpoint.
The converter is intended for structured YAML data such as configuration snippets. The output is formatted JSON that can be copied or downloaded.
Does this upload my files?
No. Everything on this page runs locally in your browser, so your files are never uploaded to a server. Close the tab and nothing is left behind. It even keeps working if you go offline after the page loads.
This is true for every tool on this site. Curious how that works? Read how browser-side processing works.
FAQ
Is my YAML uploaded?
No. YAML is parsed in your browser and the JSON output is produced locally.
What output format is used?
The result is pretty-printed JSON with two-space indentation.
Can YAML lists and nested maps be converted?
Yes. Lists, maps, strings, numbers, booleans, and null values are converted to their JSON equivalents.
What happens on invalid YAML?
The tool stops and shows the YAML parser error in the status line.