Free online JSON tools
Convert, transform, and generate code from JSON — entirely in your browser. 50+ tools covering CSV, Excel, XML, YAML, SQL, TypeScript, Python, and more. No uploads, no sign-up.
Spreadsheet & Data
JSON to CSVExport JSON arrays as CSV files
CSV to JSONParse CSV into JSON objects
JSON to ExcelDownload as XLSX workbook
Excel to JSONConvert XLSX files to JSON arrays
XML to CSVConvert XML to spreadsheet format
XML to ExcelExport XML as XLSX workbook
JSON to TableInteractive data table viewer
JSON to ParquetConvert JSON to Parquet-ready CSV
Parquet to JSONConvert Parquet CSV export to JSON
CSV to PDFRender CSV as a formatted PDF table
CSV to SQLGenerate SQL INSERT statements from CSV
CSV to TXTConvert CSV to plain text
TXT to CSVConvert plain text to CSV
TSV to CSVConvert tab-separated to CSV
CSV to MarkdownConvert CSV to Markdown table
CSV to XMLConvert CSV rows to XML elements
VCF to CSVConvert vCard contacts to CSV
CSV to VCFConvert CSV contacts to vCard format
TXT to XMLWrap plain text lines in XML tags
HTML to XMLConvert HTML to well-formed XML
XML to TXTExtract plain text from XML
Format Converters
JSON to XMLSerialize JSON as XML markup
XML to JSONParse XML documents to JSON
JSON to YAMLConvert JSON to YAML format
YAML to JSONParse YAML back to JSON
JSON to JSONLConvert JSON array to JSON Lines
JSONL to JSONParse JSON Lines into a JSON array
JSON to SQLGenerate INSERT statements
JSON to GeoJSONConvert location data to GeoJSON
JSON to SRTConvert JSON subtitles to SRT format
JSON to NotebookConvert JSON data to a Jupyter Notebook
JSON to Base64Encode JSON as a Base64 string
Base64 to JSONDecode Base64 back to JSON
JSON Utilities
JSON FormatterFormat, validate, and minify JSON
JSON MinifierMinify and compress JSON to one line
JSON EscapeEscape special characters in JSON strings
JSON UnescapeRemove backslash escapes from JSON strings
JSON SizeCalculate JSON file size and stats
JSON FlattenFlatten nested JSON to dot-notation keys
JSON PathExtract values by dot-notation path
JSON CompareDiff two JSON objects side by side
JSON to SchemaGenerate JSON Schema (draft-07)
JSON to StringStringify and escape JSON
String to JSONParse stringified JSON safely
JSON to ObjectParse JSON and generate accessor code
JSON to TextConvert JSON to plain text output
JSON to PNGRender JSON as a syntax-highlighted image
JSON to SVGRender JSON data as an SVG bar chart
Document & Media
JSON to PDFRender JSON as a formatted PDF
JSON to WordGenerate a Word .docx document
JSON to MarkdownRender as tables and code blocks
JSON to HTMLRender JSON as an HTML table
Markdown to JSONParse Markdown into a JSON block array
HTML to JSONParse HTML structure into a JSON tree
PDF to JSONExtract PDF text content as JSON
Image to JSONExtract EXIF metadata from photos
TXT to JSONConvert plain text to JSON
Code Generation
JSON to TypeScriptGenerate TypeScript interfaces
JSON to JavaGenerate Java POJO classes
JSON to POJOGenerate Java POJO with getters/setters
JSON to ApexGenerate Salesforce Apex classes
JSON to C#Generate C# model classes
JSON to PythonGenerate Python dataclasses
JSON to GoGenerate Go struct definitions
JSON to CGenerate C struct definitions
JSON to DartGenerate Dart / Flutter model classes
JSON to RustGenerate Rust struct definitions
JSON to GraphQLGenerate GraphQL schema types
JSON to ProtobufGenerate proto3 message schema