Privacy and Data Handling
Is my JSON uploaded?
No. Core JSON formatting, validation, viewing, and conversion run locally in your browser. Your pasted JSON does not need to be sent to a backend server for these tool features.
Does JSON Toolkit store my JSON?
The tool can use your browser local storage for convenience features such as recent history or the last input. This data stays on your device unless you clear it or your browser removes it.
Can I paste private production data?
JSON Toolkit is designed for local browser processing, but you should still follow your company policy. Avoid pasting secrets, private keys, passwords, or confidential customer data into any online tool unless it is allowed.
Do I need an account?
No account is required. The formatter and converter are built for quick use without login, registration, or project setup.
JSON Formatter Questions
What is JSON formatting?
JSON formatting, also called beautifying, adds indentation and line breaks so JSON is easier to read, review, debug, and share.
What is JSON minify?
Minify removes unnecessary spaces and line breaks. It is useful when you want a compact JSON string for storage, transfer, logs, or configuration values.
What is JSON stringify?
Stringify converts JSON into an escaped string form that can be pasted into code, configuration, logs, or another JSON value.
What happens if my JSON is invalid?
The input panel shows validation feedback with line and column details when possible. Smart Fix can help with common safe repairs, but you should always review the result.
When should I use Tree view?
Tree view is useful when JSON has nested objects or arrays. It lets you expand and collapse sections so deeply nested API responses are easier to inspect.
When should I use Table view?
Table view is best when the JSON contains an array of similar records. It helps compare fields across rows and can make API response data easier to scan.
JSON Code Converter Questions
What is JSON to class conversion?
JSON to class conversion reads a sample JSON object or array and generates starter model classes that match detected fields and nested structures.
Which languages are supported?
The converter supports C# classes, Java POJO models, Python classes, and Dart classes. More output formats may be added as JSON Toolkit grows.
Does it support arrays and nested objects?
Yes. The converter can inspect arrays and nested objects from your sample JSON and generate starter structures for them.
Can I use generated code directly?
The generated code is a starting point. Review naming, nullable fields, annotations, serialization settings, validation rules, and framework-specific conventions before production use.