How to Format and Beautify SQL Queries
Clean up messy SQL in four simple steps:
Paste SQL Query
Paste single-line or unformatted SQL into the left input box.
Select Keyword Casing
Choose UPPERCASE keywords or lowercase to match your styleguide.
Configure Indentation
Choose 2 spaces, 4 spaces, or tab indentation with comma line breaks.
Copy Clean Query
Copy beautified SQL directly into DBeaver, DataGrip, or code files.
Key Features & Formatting Rules
Multi-Dialect Compatibility
Works with MySQL, PostgreSQL, SQLite, Oracle, MariaDB, and SQL Server.
Automatic UPPERCASE
Standardizes `SELECT`, `JOIN`, `WHERE`, `ORDER BY` keywords to professional uppercase.
Custom Indentation
2-space, 4-space, or tab indents for clean team pull-request readability.
100% In-Browser Privacy
Confidential database tables, schemas, and queries never leave your device.
1-Click SQL Minifier
Compress multi-line queries into single-line strings for `.env` or application configs.
Instant Clipboard Copy
Fast 1-click copy with non-blocking toast notifications.
Why Consistent SQL Formatting Is Crucial for Engineering Teams
Unformatted SQL queries with irregular casing, missing line breaks, and messy subqueries are notorious for hiding expensive `JOIN` bottlenecks and logic errors. Consistent clause alignment and uppercase keyword standardisation make query optimization and code reviews significantly faster.
Nextgen Astra SQL Formatter provides an instant, zero-latency beautifier directly in your browser without requiring database client installations.
Comparison Matrix
| Feature | Nextgen Astra | Online SQL Sites | Desktop IDE Plugins |
|---|---|---|---|
| Privacy / Security | 100% In-Browser (No Cloud) | Logs Queries to Server | Local |
| Minifier Included | Yes (1-Click) | Rarely Included | Requires Separate Plugin |
| Installation Needed | Zero (Runs in Browser) | No | IDE Setup Required |
| Cost | 100% Free Forever | Ad-Supported | Free / Paid |
Frequently Asked Questions
?How does the SQL Formatter structure complex queries?
The tool tokenizes raw SQL queries, aligns major clauses (`SELECT`, `FROM`, `WHERE`, `GROUP BY`, `HAVING`, `ORDER BY`), indents nested subqueries, and standardizes keyword capitalization.
?What SQL dialects and databases are supported?
Compatible with standard ANSI SQL, MySQL, PostgreSQL, SQLite, Oracle, MariaDB, and Microsoft SQL Server (T-SQL).
?Can I convert SQL keywords to UPPERCASE or lowercase?
Yes! You can choose UPPERCASE (standard convention), lowercase, or preserve original casing.
?Are my proprietary database schemas or queries sent to a server?
No! All SQL tokenization and formatting execute 100% locally in your web browser memory. Your confidential queries and table structures never leave your device.
?Can I minify SQL queries for production configuration strings?
Yes! Click the 'Minify SQL' button to remove extra whitespace and newlines for compact single-line database strings.