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JSON Operations

Free JSON Formatter, Validator and Converter

JSON Operations is a free toolkit for developers to format, validate, and convert JSON right in the browser. Everything runs on your device, so your data stays private and nothing gets uploaded. No account, no limits. Built by Nomos Insights.

Screenshots

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Features

All features are free. No account needed.

JSON Formatter and Beautifier

Paste messy or minified JSON and get back clean, indented output with syntax highlighting.

JSON Validator

Validates JSON syntax as you type and shows clear error messages so you can fix issues quickly.

JSON to XML Converter

Converts JSON to well-formed XML in one click, keeping the original structure and nesting intact.

JSON to CSV Converter

Turns JSON arrays into CSV so you can open the data in Excel, Google Sheets, or any spreadsheet tool.

JSON to YAML Converter

Converts between JSON and YAML. Handy for config files, CI pipelines, and DevOps work.

100% Client-Side Processing

All operations run in your browser. Your data never leaves your device.

Common Use Cases

  • Debug and validate API responses
  • Convert JSON to CSV for Excel or Google Sheets
  • Format and prettify JSON config files
  • Transform data between JSON, XML, YAML, and CSV
  • Validate JSON before deployment
  • Generate mock JSON data for testing

Try JSON Operations for Free

No sign-up needed. Open the tool and start using it right away.

Built by Nomos Insights