Work with CSV, JSON tables, Excel files, and structured data
View, sort, filter, and inspect CSV files as an interactive table — all in your browser
Render JSON arrays of objects as a sortable, searchable HTML table with column filtering
Convert XLSX and XLS Excel files to CSV format — no upload, runs in your browser via SheetJS
Pick specific columns from a CSV file and download the result — great for cleaning large datasets
Run SQL SELECT queries directly on uploaded CSV files — no server needed
Merge multiple CSV files into one — reorder, deduplicate rows, and handle headers automatically
Generate realistic fake data — names, emails, addresses, UUIDs, dates, custom fields — and export as JSON, CSV, or SQL INSERT statements
Split a large CSV file into smaller files by row count or by unique values in a column
Convert JSON arrays of objects to Excel (.xlsx) or CSV — powered by SheetJS, runs in your browser
Compare two JSON objects side by side and highlight added, removed, and changed fields
Convert XML to JSON and JSON back to XML — bidirectional, zero dependencies, runs in your browser