YAML ↔ JSON Converter
Convert YAML to JSON and back, right in your browser.
Runs in your browser — files never leave your device
Output
How it works
Paste YAML to get JSON, or JSON to get YAML, with one click.
Handy for converting configs and API examples.
Frequently asked questions
- Is my data uploaded?
- No — conversion runs in your browser with js-yaml.
- Does it support multi-document YAML?
- It converts the first/standard document; most config files work directly.
Related tools
- Word & Character CounterCount words, characters, sentences, paragraphs and lines instantly. Runs entirely in your browser — your text never leaves your device.
- Case ConverterConvert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more — instantly in your browser.
- Slug GeneratorTurn any title into a clean, URL-friendly slug. Removes accents and punctuation; runs in your browser.
- Text ReverserReverse any string character by character. Handles Unicode correctly; runs locally.
- Remove Duplicate LinesStrip duplicate lines from a list, keeping the first occurrence. Optional case-insensitive and trim modes.
- Sort LinesSort lines alphabetically, ascending or descending, with optional case-insensitive comparison.