Data Studio — OnePassApps

View and transform CSV, JSON and YAML without sending data anywhere.

What you can do

  • CSV viewer
  • Sort / filter
  • Columns
  • Remove duplicates
  • Merge CSV
  • Split CSV
  • CSV to JSON
  • JSON formatter
  • JSON validator
  • JSON to CSV
  • JSON and YAML

Choose local files or paste content in the interactive workspace. Processing stays in the current browser tab; export your results before leaving. Supported formats and device limits are shown by each tool.

Enable JavaScript to use this Studio. No account is required for browser-local processing.

Open Data Studio