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Pretty-print, validate, minify JSON — with tree view and error highlighting.

Convert simple YAML configuration into formatted JSON in your browser with copy and download options.

Convert JSON objects and arrays into clean YAML for config files, docs, and developer workflows.

Convert CSV data to JSON and vice versa. Paste CSV with headers and get clean JSON output. Copy or download the result.

Convert JSON samples into TypeScript interfaces or type aliases locally in the browser. Handles nested objects and arrays.

Decode JSON Web Token headers and payloads in the browser, inspect claims, and check token timing without sending data to a server.

Flatten JSON into searchable dot paths so developers can quickly find nested keys and values.

Generate a starter JSON Schema from sample JSON, including nested objects, arrays, primitive types, and required fields.

Convert XML into clean JSON with attributes, text nodes, repeated elements, and parser validation.

Generate JSON-LD structured data for FAQ, Article, Product, HowTo, and LocalBusiness pages without any external service.

Upload an image and instantly convert it to a Base64 data URL for embedding in HTML, CSS, or JSON.

Convert JSON arrays or objects into CSV with flattened nested fields, preview rows, copy output, and download locally.

Convert .env key-value files into formatted JSON, ignoring comments and blank lines.