Excel to SQL Converter – Convert Excel Online (Free Tool)
Convert Excel data to SQL INSERT statements. Generate SQL queries from spreadsheet data.
Example Output
Ready-to-run SQL script. Column types are inferred (INTEGER, DECIMAL, VARCHAR, DATE) and values are properly escaped for the chosen dialect.
customers.sql — CREATE TABLE + 5,400 INSERT statements
What is Excel to SQL Converter?
Convert Excel data into SQL INSERT statements (or a full CREATE TABLE + INSERT script) for MySQL, PostgreSQL, SQLite, or SQL Server. The converter infers column types, escapes quotes and special characters, and lets you choose batch INSERT size — handy for seeding databases or quickly importing client data.
Why use this tool?
- No telemetry, no tracking pixels, no third-party scripts
- Open-and-go: bookmark the page once and never look for an alternative
- Instant results — no waiting on a server or upload progress bar
- No file upload — confidential reports never leave your computer
- Built on SheetJS / pdf.js / OOXML — the same libraries used by serious desktop tools
How to use
- Upload your Excel file
- Select the sheet and table name
- Click "Generate SQL" button
- Download or copy the SQL statements
Examples
Seed a dev database
A 2,000-row reference workbook becomes a `seed.sql` script the team can run with `psql -f seed.sql` to populate a fresh DB.
PostgreSQL-specific output
Pick PostgreSQL and dates emit as `DATE '2024-03-15'`; booleans as TRUE/FALSE — no manual fixup before running.
Batched INSERTs for speed
Group 500 rows per INSERT statement for 10× faster import compared to one INSERT per row.
Common use cases
- Migrating Excel-maintained data into a production database
- Seeding dev / test / staging databases from a spreadsheet
- Generating SQL fixtures for automated tests
- Importing client data delivered as Excel files
- Bootstrapping reference / lookup tables
Troubleshooting
- Apostrophes in text cells break the SQL
- The tool escapes single quotes as `''` by default. If you see syntax errors, your source has unbalanced quotes — also check the dialect setting, since SQL Server uses different escaping.
- Numeric IDs imported as text
- In Excel, change the column format to Number before exporting. Or override the column type to INTEGER in the type panel.
- NULL vs empty string confusion
- Choose how blanks are emitted — `NULL` (default) or `''`. NULL is correct for missing values; empty string for "deliberately empty".
Frequently Asked Questions
Standard ANSI INSERT statements that work in MySQL, PostgreSQL, SQLite, SQL Server, and Oracle with little or no modification. You can pick the dialect to enable engine-specific quoting and identifier rules.
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