JSON tools online
Beautify JSON, validate syntax, explore trees, diff documents, and convert to YAML, XML, CSV, TypeScript, and more. Every JSON tool on space4.dev runs locally in your browser so API keys, configs, and payloads stay private.
- JSON Formatter & Beautifier with minify and validate
- Interactive JSON Viewer and Validator
- JSON Diff, Compare, Escape, and Minify
- Convert JSON to YAML, XML, CSV, TypeScript, Java, C#, PHP
JSON
15 toolsFormat, validate, explore, and transform JSON data.
JSON Formatter
Beautify, minify, and validate JSON instantly in your browser.
JSON Viewer
Explore JSON as an interactive tree with search and expand controls.
JSON Validator
Validate JSON syntax instantly with clear error messages.
JSON Minifier
Minify JSON into a compact single-line payload.
JSON Prettifier
Pretty-print JSON with clean indentation for readability.
JSON Compare
Compare two JSON documents and highlight structural changes.
JSON Diff
Generate a line-by-line diff of two JSON documents.
JSON to YAML
Convert JSON into clean YAML instantly.
JSON to XML
Convert JSON data into XML markup.
JSON to CSV
Flatten JSON into CSV for spreadsheets and exports.
JSON to TypeScript
Generate TypeScript interfaces from JSON samples.
JSON to Java
Generate Java class stubs from JSON data.
JSON to C#
Generate C# classes from JSON samples.
JSON to PHP Array
Convert JSON into a PHP array literal.
Escape / Unescape JSON
Escape text into JSON strings or unescape JSON literals.
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