Question 1

How do I format JSON online?

Accepted Answer

Paste your JSON into the Input panel at json.toolzydev.com and click the Format button. The formatted result appears instantly in the Output panel with syntax highlighting.

Question 2

How do I convert JSON to CSV?

Accepted Answer

Paste a JSON array of objects into the Input panel and click 'JSON → CSV'. Nested objects are automatically flattened using dot-notation (e.g. role.admin). The result is shown as a table and can be downloaded as a .csv file.

Question 3

How do I generate TypeScript interfaces from JSON?

Accepted Answer

Paste your JSON into the Input panel and click 'JSON → TS'. TypeScript interfaces are auto-generated. Nested objects become separate named interfaces.

Question 4

Is this JSON formatter free?

Accepted Answer

Yes, JSON Formatter at json.toolzydev.com is completely free. No login or installation required. All processing happens in your browser.

Question 5

How do I validate JSON?

Accepted Answer

JSON Formatter validates your JSON in real time as you type. Errors are shown in the status bar below the Input panel with a description of the issue.