JSON Tools

JSON (JavaScript Object Notation) is the most widely used data interchange format on the web. Whether you are debugging an API response, inspecting a configuration file, or preparing data for a client, these free online JSON tools help you format, validate, minify, and convert JSON without installing anything. All processing runs in your browser — your data never leaves your device.

JSON Formatter

Format, validate, and beautify JSON online. Free, instant, and works entirely in your browser — your data is never uploaded.

JSON Minifier

Minify JSON online — strip all whitespace and produce the smallest valid representation. Runs entirely in your browser.

JSON → CSV

Convert a JSON array of objects to CSV online. Auto-detects columns, handles nested values, runs in your browser.

JSON → XML

Convert JSON to XML online. Free, instant, and runs entirely in your browser.

JSON → YAML

Convert JSON to YAML and back online. Preserves types, handles nesting, runs in your browser.

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