Is my data sent to a server?

No. This tool runs entirely in your browser. Your data never leaves your browser.

How do I convert YAML to JSON?

Paste YAML (or upload a .yml/.yaml file). Valid YAML is converted to indented JSON immediately in your browser.

Paste a single YAML document for best results. Multi-document streams may require splitting manually.

No. Conversion uses Web APIs in this page only — nothing is sent to Weblexia servers.

Developer Tools

Is my data sent to a server?: No. This tool runs entirely in your browser. Your data never leaves your browser.
How do I convert YAML to JSON?: Paste YAML (or upload a .yml/.yaml file). Valid YAML is converted to indented JSON immediately in your browser.
Does it support multi-document YAML?: Paste a single YAML document for best results. Multi-document streams may require splitting manually.
Is my config uploaded anywhere?: No. Conversion uses Web APIs in this page only — nothing is sent to Weblexia servers.

Free online JSON formatter and validator. Beautify, minify, and validate JSON instantly in your browser with line-level errors.

Validate JSON online with line-level syntax errors. Free, instant, and private — runs entirely in your browser.

Minify and compress JSON to a single line in your browser. Free, fast, and private.

Convert JSON to YAML online in your browser. Free, fast, and private — no server upload.