How to Convert and Flatten Nested JSON & XML Data Online§

Working with complex API payloads, nested JSON objects, or legacy XML documents often presents a challenge when importing data into spreadsheets or SQL databases.

The NexaTools NexaData Converter allows you to convert and flatten nested JSON keys into standard flat data structures in seconds.

Capabilities§

  • Recursive Key Flattening: Converts nested objects (user.address.city) into flat columns.
  • Multi-Format Output: Export to CSV, TSV, or structured JSON arrays.
  • 100% Client-Side: Processes datasets locally in memory without uploading files.

How to Convert Data§

  1. Visit NexaTools NexaData.
  2. Paste your raw JSON or XML text into the editor.
  3. Configure flattening depth and download the resulting formatted dataset.