SQL Playground
Run SQL queries against CSV data directly in your browser.
Runs in your browser — your data never leaves your device
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Frequently Asked Questions
What is the SQL playground?
It's an in-browser SQL environment that lets you run queries against CSV data using standard SQL syntax, powered by a lightweight SQL engine (sql.js).
How do I load data?
Paste CSV text directly into the data input area, or upload a .csv file. The tool automatically detects column names and types from the first rows.
What SQL features are supported?
The tool supports SELECT, WHERE, GROUP BY, HAVING, ORDER BY, JOINs (INNER, LEFT, RIGHT), aggregate functions (COUNT, SUM, AVG, MIN, MAX), subqueries, and window functions.
Can I export query results?
Yes. After running a query, click "Export as CSV" to download the result set as a CSV file for further analysis.
Is this playground free?
Yes, ToolDock's SQL playground is completely free, requires no signup, and runs entirely in your browser.