All tools
Utilities · ready

CSV & JSON Converter

Convert quoted CSV, TSV, and JSON data without uploading it.

Loading local tool…
No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool

Use csv & json converter without uploading files

Convert quoted CSV or TSV records to JSON, or turn a JSON array of objects into delimited data.

Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.

Three steps
  1. Choose a data file and confirm the conversion direction.
  2. Select the correct delimiter and readability options.
  3. Convert, inspect the preview, and download the result.
Useful for

Common csv / json tasks

  • API imports and exports
  • Spreadsheet data exchange
  • Development fixtures
Practical details

What to know before you start

Accepted input

CSV, TSV, or a JSON array of objects

Created output

JSON, CSV, or TSV text data

Tips and limitations
  • Choose the delimiter actually used by the source file.
  • Nested JSON values may need flattening before spreadsheet use.
  • Inspect dates and leading zeros after opening output in spreadsheet software.