What SQL dialects are supported?

PostgreSQL, MySQL, SQLite, SQL Server, and BigQuery.

Are data types auto-detected?

Yes — INTEGER, FLOAT, DATE, BOOLEAN, and VARCHAR with inferred lengths.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — add PRIMARY KEY and INDEX definitions before downloading.

Auto-generate CREATE TABLE SQL DDL from a CSV file structure. Processed entirely in your browser for 100% data privacy and ze

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Continue working with our suite of free data utilities.

Convert CSV files to formatted Excel workbooks (.xlsx). Processed entirely in your browser for 100% data privacy and zero fil

Convert Excel workbooks (.xlsx, .xls) to CSV files — all sheets or selected. Fast, private, and secure browser-based tool wit

Generate realistic fake data: names, emails, addresses, and more. Export as CSV. Securely process files in your browser memor