THINK TOOLS

JSON Converter

Convert between JSON and CSV, format or minify JSON, and validate syntax — in your browser.

🔒 Your files are never uploaded. Everything runs in your browser.

How to use

  1. Paste JSON or CSV into the input box.
  2. Press prettify or validate, or a JSON⇄CSV conversion button.
  3. Copy the output or save it as a file.

Main features

  • Convert JSON to CSV and CSV to JSON
  • Pretty-print and minify JSON
  • Validate JSON syntax
  • Flatten nested objects with dot-notation keys
  • Copy or download the output

When to use it

  • Open an API response in a spreadsheet
  • Format and validate a config file
  • Turn CSV data into JSON for an app

FAQ

Can it convert nested JSON to CSV?
It works best with an array of objects; nested fields are flattened using dot-notation keys.
Is my data sent anywhere?
No. Everything is processed in your browser.
Can I choose the indentation?
You can pretty-print with 2-space indentation or minify.
🧹CSV Cleaner📝Text Cleaner