CSV → JSON Schema Generator
Generate JSON Schema from CSV files by inferring column types, required fields, and format constraints automatically. Free by Graph Tools.
Use this free CSV to JSON Schema generator to automatically infer a JSON Schema from any CSV file. The tool analyzes column headers and sample values to detect types (string, number, boolean, date), identifies required versus optional columns, and generates a complete JSON Schema definition ready for use in API validation or form configuration. Useful for data engineers, backend developers onboarding CSV datasets, and QA engineers building validation rules.