JSON tools
Format, validate, view, parse, minify, and edit JSON locally.
JSON tools
Format, validate, view, and minify JSON.
- JSON FormatterFree online JSON beautifier with indent control, key sorting, tree view, and JSONLint-style error lines.
- JSON MinifierStrip whitespace from JSON to produce a compact, single-line payload.
- JSON ValidatorParse JSON in the browser and report the exact line and column of any error.
- JSON DiffCompare two JSON documents side by side and list every added, removed, or changed path.
- JSON Tree ViewerInspect JSON as a collapsible tree. Image URLs show a thumbnail on hover.
- JSONPath TesterRun a JSONPath query against pasted JSON and highlight matching values.
- JSON Escape / UnescapeEscape text as a JSON string, or unescape a quoted JSON string.
- JSON Sort KeysRecursively sort object keys for stable diffs and readable payloads.
- API Response ViewerFetch a JSON URL from this browser and pretty-print the body, or paste a response instead.
- JSON EditorEdit JSON in the browser with line numbers, syntax colors, and format on demand.
- JSON Pretty PrintPretty-print compact JSON with configurable indent, entirely in your browser.
- JSON ViewerView JSON as formatted text or a collapsible tree without uploading the document.
- JSON ParserParse JSON and report syntax errors with line and column, then pretty-print on success.
- JSON ReaderRead and inspect a JSON document locally with formatting and tree view.
- JSON Stringify OnlineJSON.stringify a value in the browser to a compact string.
- JSON to One LineCollapse JSON onto a single line for logs, headers, or query strings.