YAML to JSON Converter — Convert YAML to JSON Online
Convert YAML to JSON online instantly. Paste YAML or upload a file and get well-formatted JSON — free and private, right in your browser.
Input
Output
How to use YAML to JSON
- Paste your JSON into the editor, or upload / drag-and-drop a
.jsonfile. - Use the toolbar to Format, Minify, or Fix your JSON.
- Switch to Tree, Graph, or Table to explore the structure.
- Filter values with a JSONPath query when you need a specific part.
- Click Copy or Download to save the result.
Features
Beautify & minify
One-click pretty-print or compact your JSON to a single line.
Validate & auto-fix
Catch syntax errors instantly and repair common mistakes automatically.
Tree, graph & table views
Explore nested JSON visually and edit it inline.
Transform tools
Stringify, unescape, parse nested JSON, and sort keys.
JSONPath filter
Query and extract exactly the values you need.
100% private
Everything runs in your browser — nothing is uploaded.
What is YAML to JSON?
YAML to JSON conversion turns indentation-based YAML config into structured JSON that APIs and programs can parse directly. JSON Reader validates the YAML while converting and keeps everything on your device.
Related JSON tools
Frequently Asked Questions
Everything you need to know about JSON Reader
Yes. Every JSON Reader tool is completely free with no signup and no usage limits.
Yes. All processing runs entirely in your browser — your JSON is never uploaded to a server.
Click Fix JSON. It automatically repairs common problems such as trailing commas, single quotes, unquoted keys, and missing brackets.
Yes. Switch to the Tree, Graph, or Table tabs to explore your JSON structure visually, then return to the Editor at any time.
You can upload or drag-and-drop JSON files up to 50 MB.