Data tools

View and clean CSV files, compare two tables, and convert between CSV and JSON. Spreadsheet data is processed locally and never uploaded.

CSV Diff

Compare two CSV files and highlight changed cells.

CSV · TSV → Diff table · CSV report

CSV to JSON Converter

Convert CSV to JSON and JSON back to CSV.

CSV · TSV · JSON → JSON · CSV

CSV Viewer & Cleaner

View a CSV, clean rows, and download the result.

CSV · TSV → CSV

Other categories