JSON to Python
JSON to Python — Generate Python from JSON Online Free
What is JSON to Python?
Generate Python classes or type hints from JSON. Convert JSON structure to Python code instantly.
Generate Python class definitions from JSON. Paste a JSON object and get Python code with type hints. Useful for API clients, data pipelines, and config handling. All conversion runs in your browser. Part of the formatterjson.org developer data tools.
How to Use JSON to Python
- Paste or type your input into the editor on the left panel.
- Results update automatically while you type. You can also press Ctrl+Enter to force a refresh.
- View the result in the output panel on the right with full syntax highlighting.
- Use Copy or Download to export the result.
- Drag and drop
.jsonor.txtfiles directly into the editor. - Toggle Tree View for an interactive, collapsible view of the JSON structure.
Example
Input:
{"name":"John","age":30}Output:
from typing import Any
class Root:
name: str
age: float
Common Use Cases
- API clients
- Data models
- Config parsing
- Scripts
Common Errors
- Invalid JSON
- Trailing commas
- Single quotes
Why Use Our JSON to Python?
- 100% client-side — your data never leaves your browser. No server processing, no data collection.
- No sign-up required — start using the tool instantly with no registration or installation.
- Keyboard shortcuts — press Ctrl+Enter to run, ? for shortcuts list, Ctrl+B to toggle sidebar.
- Persistent state — your input is automatically saved across sessions using local storage.
- IDE-style interface — Monaco Editor (the engine behind VS Code) with syntax highlighting and error detection.
- Multi-format conversion — convert between JSON, XML, CSV, and YAML without switching tools.
Frequently Asked Questions
What does JSON to Python output?
It generates a Python class with attributes matching your JSON keys and inferred types (str, float, bool, list, dict).
Can I use it with dataclasses?
The output is a simple class. You can adapt it to use dataclasses or Pydantic as needed.
Is my data sent to a server?
No. Conversion runs entirely in your browser.
Does it handle nested JSON?
Yes. Nested objects are represented as dict or nested structures.
Is it free?
Yes. Free, no sign-up, 100% client-side.
Try JSON to Python Now
Paste your data into the editor above for instant processing. Use Ctrl+Enter anytime to re-run quickly.