YAML to JSON Converter — Browser Data Format Tool
DeveloperThe YAML to JSON converter is a browser-based developer tool that parses YAML, normalizes it into a shared data structure, and serializes it as JSON.
What is it
Use this tool when moving config files, API samples, or tabular data between formats. It processes YAML examples such as items: / - name: Utillica in the browser without upload. CSV/TSV is converted through header-based object arrays, while XML attributes use an @ prefix and text nodes use #text.
How to use
- 1Paste the YAML input.
- 2Press Convert to JSON.
- 3If parsing fails, check the error and fix the input.
- 4Copy the result into your code or document.
Reference
| Item | Value |
|---|---|
| Input format | YAML |
| Output format | JSON |
| Processing location | Browser |
| Server upload | None |
Sources & standards
- MDN Web Docs: Client-side web APIs - MDN Web Docs
- YAML 1.2.2 Specification - YAML Language Development Team
- TOML v1.0.0 - TOML
- Extensible Markup Language (XML) 1.0 - W3C
- RFC 4180: Common Format and MIME Type for CSV Files - IETF
FAQ
Is YAML input sent to a server?
No. Parsing and serialization run in the browser, and the input is not sent to a server.
Are data types preserved when converting YAML to JSON?
Strings, numbers, booleans, arrays, and objects are preserved where the target format supports them. CSV/TSV are mostly string-based because they do not carry rich type metadata.
Are any syntax features unsupported?
Advanced YAML tags, complex XML namespace semantics, and some TOML-specific values may be normalized into JSON-compatible structures or reported as errors.