Skip to content

YAML ⇄ JSON

Convert YAML to JSON and back, with line-precise errors.

Loading tool…

Runs locally in your browser. Your files are never uploaded.

About this tool

Convert configuration files between YAML and JSON. Multi-document YAML is supported, and syntax errors are shown with their line and column.

How to use it

  1. Paste YAML or JSON, or drop a file.
  2. Choose direction and indent.
  3. Copy or download.
+

More developer & data tools

CSV ⇄ JSON

Convert CSV to JSON and JSON to CSV with a robust parser.

JSON Formatter

Format, validate, minify and sort JSON, with precise error locations.

Markdown to HTML

Live Markdown editor with preview and clean HTML export.

Encoder / Decoder

Base64, URL, HTML entities, Hex and JWT decoding in one place.

Hash Generator

MD5, SHA-1, SHA-256, SHA-512 and CRC32 checksums for text and files.

Diff Checker

Compare two texts and highlight every change.