SQL Query Tool
Load one or more files and query them with SQL. Each file becomes a table named after its filename. Everything runs in your browser — your data never leaves your device.
Loaded Files
Click "+ Add File" or drop files here
CSV, Parquet, JSON, Excel, TSV, Arrow…
More Power Tools
Data Profiler
Profile any file — row counts, column types, null rates, and statistics.
Join Files
Join two files with INNER, LEFT, RIGHT, or FULL OUTER joins on any key column.
Find Duplicates
Find duplicate rows across any column combination and export the results.
Pivot Table
Build pivot tables from any data file — rows, columns, values, and aggregation.
Data Catalog
Browse free public datasets and query them directly in the SQL editor.
Mock Data Generator
Generate realistic sample data — names, emails, dates, numbers, and more.
Chart Builder
Visualize any data file as a bar chart, line chart, scatter plot, or histogram.
Lookup Tool
Add a column by looking up values from a reference table — like Excel VLOOKUP.
XML to CSV
Convert XML files to CSV, JSON, Parquet, and more — no upload required.
SQL Importer
Import a SQL dump and export the data as CSV, Parquet, or JSON.
Excel Sheet Extractor
Extract any sheet from a multi-sheet Excel workbook and convert to CSV or Parquet.