Are YAML comments preserved?

No, JSON does not support comments, so they are lost during conversion.

Which YAML types are supported?

All standard YAML types: objects, lists, scalars, multi-line strings, anchors.

Yes, syntax errors are reported with line numbers.

🇬🇧WebFileTools/YAML ↔ JSON Converter

Convert between YAML and JSON instantly. Validation and formatting included. 100% browser-based.

YAML Input

WebFileTools YAML ↔ JSON Converter transforms your data between the two most popular configuration formats.

Paste YAML or JSON in the input field, click Convert, and copy or download the result.

Are YAML comments preserved?: No, JSON does not support comments, so they are lost during conversion.
Which YAML types are supported?: All standard YAML types: objects, lists, scalars, multi-line strings, anchors.
Does it validate syntax?: Yes, syntax errors are reported with line numbers.

Validate, format, and minify JSON. Syntax highlighting and file import. 100% in the browser.

Encode/decode text or a file to Base64. Data URL and one-click copy. 100% in the browser.

Compare two texts and visualize differences line by line. Additions, deletions, modifications. Free.