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SQL on CSV
Upload a dataset to begin
Supported formats: .csv,.xlsx,.xls,.xlsm,.xlsb,.tsv
AboutSQL on CSV
Run SQL SELECT queries directly on your CSV files.Category: Analysis & VisualizationJoining two CSV files via SQLFiltering data with complex WHERE clausesLearning SQL syntax on real data
The SQL on CSV tool is compatible with:DevelopersData AnalystsStudents Learning SQL.For simple one-off filtering, Filtering is faster than writing SQL; reach for SQL Query when you need joins or multi-table logic, then hand off the result set to Pivot Table for a cross-tab summary.Miss the power of SQL when working with flat files? This tool spins up a lightweight in-browser database (DuckDB/SQLite) allowing you to write standard SQL queries against your CSV. Perform Joins, filtering, grouping, and complex math without installing a database server.
Frequently Asked Questions:
What SQL dialect does it support?
It runs standard SQL SELECT queries via an in-browser database engine, supporting joins, filtering, grouping and aggregate functions.
Do I need to install anything?
No, the database engine runs entirely in your browser tab.
Built for developers and analysts who think in SELECT statements and would rather query a CSV than open a spreadsheet.