JSON tools

Format, validate, diff, convert. kodilo has 11 free JSON tools, including JSON Formatter & Validator, JSON to YAML, JSON to CSV and JSON Diff, and more. Every tool runs entirely in your browser, with no sign-up and no data sent to a server.

• JSON Formatter & ValidatorFormat, validate and minify JSON data.
• JSON to YAMLConvert JSON to YAML.
• JSON to CSVConvert JSON arrays to CSV.
• JSON DiffCompare two JSON documents and highlight what changed.
• JSON ViewerExplore a JSON document as a collapsible tree.
• JSON to TypeScriptGenerate TypeScript interfaces or types from a JSON sample.
• JSON Schema ValidatorValidate JSON against a JSON Schema, or generate a schema from data.
• JSONPath TesterRun JSONPath expressions against a JSON document and see every match with its exact path, live as you type.
• JSON to ZodGenerate a Zod schema from a JSON sample, with nested objects, arrays and optional keys.
• JSON to GoGenerate Go structs with json tags from a JSON sample.
• JSON to OpenAPI SchemaInfer an OpenAPI 3.1 component or JSON Schema from JSON samples, with formats.