SQL Formatter & Beautifier
Clean up compact SQL from logs, migrations, BI tools and database clients locally in your browser.
Click to choose a .sql file or drop it here
You can also paste SQL directly into the editor.
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Dialect-aware formatting
Use a formatter mode that matches SQL from MySQL, PostgreSQL, SQL Server, SQLite, BigQuery, Snowflake or Redshift.
No database connection
The tool only rewrites pasted text for readability. It does not validate tables, columns, permissions or runtime behavior.
Safe analytics
Usage events include only the selected dialect and broad input size bucket, never SQL text, identifiers, literals or filenames.
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Frequently asked questions
Is my SQL uploaded to Convertr?
No. SQL formatting runs in your browser with a bundled open-source formatter. Queries, table names and values are not sent to Convertr servers.
Which SQL dialects are supported?
The formatter supports standard SQL plus common dialects including MySQL, MariaDB, PostgreSQL, SQL Server T-SQL, SQLite, BigQuery, Snowflake and Redshift.
Does this execute SQL or connect to my database?
No. The tool only formats text. It does not execute SQL, connect to databases, inspect schemas or verify object names.