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Форматтеры и код

JSON в класс C#

Generate POCO classes from a JSON sample.

Runs in your browser

Примечание редактора

Understanding · Two libraries, one mental model.

Эта углублённая глава пока доступна только на английском языке. Инструмент конвертации выше работает на вашем языке; развёрнутая статья ещё не переведена.

Часто задаваемые вопросы

Quick answers.

How does the tool handle nested objects?

The generator recursively scans your JSON structure to create separate, linked classes for each nested object level. It ensures that complex hierarchies are mapped to a structured class model.

What attributes are added to the classes?

The tool can include `[JsonPropertyName]` or `[JsonProperty]` attributes to ensure proper deserialization when JSON keys use different naming conventions than C# properties. This supports both System.Text.Json and Newtonsoft.Json libraries.

How are data types determined?

It infers types based on the JSON values: integers become `int` or `long`, decimals become `double` or `decimal`, and ISO dates are mapped to `DateTime`. If a value is null, the tool defaults to `object` or a nullable type.

Is my data sent to any external server?

No. The conversion logic is executed entirely within your web browser. Neither your JSON structure nor the resulting C# code is transmitted or stored on any server.

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