Free online JSON to Python converter — generate Python dataclasses, Pydantic models, or TypedDicts from JSON instantly in your browser. No data is stored. Supports all four class styles with Optional types.
Name of the root class
Python class style
Use Optional for nullable fields
Free online JSON to Python converter — generate Python dataclasses, Pydantic models, or TypedDicts from JSON instantly in your browser. No data is stored. Supports all four class styles with Optional types.
Runs entirely in your browser. No data is sent to our servers.
Generate a Python dataclass from a JSON user object
JSON Formatter
Free online JSON formatter — prettify and format JSON with configurable indentation instantly in your browser. No data is stored. Supports 0-8 space indent and optional key sorting.
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Free online JSON validator — check JSON syntax and get detailed error information instantly in your browser. No data is stored. Reports error line/column position and detected JSON type.
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