ZAIKAFree tools

CSV Cleanup Studio

Clean messy CSV or JSON, fix columns, remove duplicates, and export data ready for your no-code stack.

Make messy data usable.

Clean a file before it reaches Airtable, Supabase, a CRM, or an automation.

Local file · nothing uploaded
Start with a file or the example.

Your cleaned preview will appear here.

Review the preview before exporting. Your original file stays untouched.

Paste CSV or JSON

Include a header row for CSV. JSON should be an array of objects.

How to use it

  1. Drop a CSV or JSON file, paste data, or open the example
  2. Clean and rename columns, then review duplicates and missing values
  3. Export a clean CSV or JSON file for your app or automation