Free Online JSON Tools
Format, repair, compare and query JSON; convert it to YAML, CSV, XML or TOML; generate TypeScript, Zod, Go, Python, Java or Kotlin from a sample — free.
19 tools
JSON FormatterFormat, minify and validate JSONJSON RepairAutomatically fix broken JSONJSON CompareFind the differences between two JSON documentsJSON ViewerView JSON as a tree, collapse or expand any branchJSON SorterSort JSON fields and arrays from A to ZJSONPath QueryExtract data from JSON with a JSONPath expressionJSON to YAMLConvert between JSON and YAMLJSON to TOMLConvert between JSON and TOMLJSON to CSVConvert between JSON and CSV tablesJSON to XMLConvert JSON to indented XMLJSON to TypeScriptGenerate TypeScript interfaces from sample JSONJSON to JSON SchemaGenerate a JSON Schema from a JSON sampleJSON Schema validatorCheck whether JSON data matches a JSON SchemaJSON to ZodGenerate a Zod schema from a JSON sampleJSON to Go structGenerate Go structs from a JSON sampleJSON to Python dataclassGenerate dataclasses or Pydantic models from JSONJSON to Java classGenerate Java classes or records from JSONJSON to Kotlin data classGenerate Kotlin data classes from a JSON sampleJSON Escape / UnescapeTurn text into a valid JSON string and back