Convert CSV to SQL Online Free
Transform CSV spreadsheet data into SQL INSERT statements. Automatically maps columns to database fields and generates table schema. Ready for MySQL, PostgreSQL, any SQL database.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile converts your CSV spreadsheet data into SQL INSERT statements directly in your browser. CSV columns become database columns with automatically generated CREATE TABLE and INSERT commands. Your data never leaves your device, ensuring privacy. Free, instant, no signup required.
Convert CSV to SQL
Drop your CSV file here to convert it instantly
Drag & drop your .csv file here, or click to browse
Convert to SQL instantly
CSV vs SQL: Format Comparison
Key differences between the two formats
| Feature | CSV | SQL |
|---|---|---|
| Data model | Flat rows and columns | Relational tables and rows |
| Schema | Implied by header row | Explicit table structure |
| Purpose | Data exchange, spreadsheets | Database storage, queries |
| Data types | Text-based values | Typed columns (INT, VARCHAR) |
| Relationships | None | Foreign keys, JOINs |
| Querying | Limited (Excel functions) | Full SQL query capabilities |
When to Convert
Common scenarios where this conversion is useful
Excel data import
Import Excel spreadsheets or Google Sheets exports into SQL databases. Convert CSV exports directly to INSERT statements for seamless data migration.
ETL processing
Transform CSV data dumps from various systems into SQL format for data warehouse loading. Perfect for moving flat file data into relational databases.
Database seeding
Generate SQL INSERT statements from CSV test data for populating development databases. Quickly create realistic datasets for application testing.
Report data loading
Convert CSV report outputs into SQL format for loading into analytics databases. Enables SQL-based analysis on exported CSV data.
Legacy system migration
Migrate data from legacy systems that export CSV files. Convert flat file exports to modern SQL database format for system upgrades.
How to Convert CSV to SQL
-
1
Drop your CSV file
Drag and drop your CSV file onto the converter, or click to browse. Supports large files with thousands of rows and custom delimiters.
-
2
Convert to SQL
The conversion happens automatically in your browser. CSV headers become column names with CREATE TABLE and INSERT statements generated.
-
3
Download SQL file
Click Download to save your generated SQL script. Ready to run in MySQL, PostgreSQL, SQL Server, or any SQL database.
Frequently Asked Questions
Yes, completely free with no limits. ChangeThisFile runs entirely in your browser, so there are no server costs or usage restrictions.
No. All conversion happens locally in your browser using JavaScript. Your CSV data never leaves your device, ensuring complete privacy.
The generated SQL uses standard SQL syntax compatible with MySQL, PostgreSQL, SQL Server, SQLite, Oracle, and most other relational databases.
The converter analyzes your CSV data to infer appropriate SQL data types. Numbers become INT or DECIMAL, dates become DATE/TIMESTAMP, text becomes VARCHAR.
Yes, the converter can process large CSV files limited only by your browser's memory. Most files under 100MB convert without issues.
The converter properly escapes special characters in SQL strings and handles various CSV encodings including UTF-8, ensuring data integrity.
The converter generates a default table name based on your filename. You can edit the SQL output to change table names and column definitions as needed.
Empty CSV cells become SQL NULL values in the generated INSERT statements. You can specify default values by editing the SQL output.
Yes, the converter auto-detects common delimiters (comma, semicolon, tab) or you can specify custom delimiters for non-standard CSV formats.
Yes! ChangeThisFile also supports converting CSV to JSON, XML, Excel, and many other formats. All conversions are free and private.
Related Conversions
Related Tools
Free tools to edit, optimize, and manage your files.
Need to convert programmatically?
Use the ChangeThisFile API to convert CSV to SQL in your app. No rate limits, up to 500MB files, simple REST endpoint.
Ready to convert your file?
Convert CSV to SQL instantly — free, no signup required.
Start Converting