100% PRIVATE • IN-BROWSER PROCESSING

Free Online SQL Formatter & Beautifier

Clean, format, and standardize messy SQL queries into clean, production-ready code. Supports T-SQL (SQL Server), PostgreSQL, MySQL, Oracle, SQLite, and Snowflake with custom keyword casing, indentation, and comma-first styling.

Raw / Unformatted SQL
0 chars • 0 lines
Formatted & Beautified SQL
0 chars • 0 lines
Statements: 0
Primary Clause: -
Safety: Ready
Keywords Found: 0
Zero telemetry • Browser-only execution

Why Consistent SQL Formatting Matters

In enterprise environments and database-driven software applications, poorly formatted SQL is a primary source of cognitive fatigue, merge conflicts, and subtle syntax bugs. Formatting your SQL queries yields three direct benefits:

  • Readable Code Reviews: Grouping SELECT, FROM, JOIN, and WHERE clauses allows reviewers to immediately verify index utilization and filter predicates without deciphering wall-of-text one-liners.
  • Clean Git Diffs: Using 1 column per line minimizes merge conflicts. Changing or adding a column in version control touches exactly 1 line instead of an entire block.
  • Standardized Team Style: Enforces consistent casing (such as UPPERCASE for ANSI reserved words like INNER JOIN, COALESCE, and GROUP BY) regardless of which database GUI (SSMS, DBeaver, DataGrip, VS Code) team members use.

Trailing Commas vs. Comma-First (Leading) Style

Many veteran database developers prefer the Comma-First (Leading) style: 

SELECT
    c.customer_id
  , c.email
  , c.created_at
  , COUNT(o.order_id) AS total_orders
FROM customers c
INNER JOIN orders o
    ON c.customer_id = o.customer_id
GROUP BY
    c.customer_id
  , c.email
  , c.created_at;

With leading commas, commenting out the last column doesn't leave a trailing comma error, and commenting out any intermediate column only requires commenting out a single line. This tool fully supports both conventions with one click.

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Frequently Asked Questions

Is my SQL query or proprietary schema private when using this tool?

Yes, 100% private. All SQL tokenization, formatting, and minification runs entirely inside your browser sandbox via client-side JavaScript. No query text, schema names, passwords, or company data are ever transmitted to Void Geeks or any third-party server.

Yes. The T-SQL dialect option properly recognizes and preserves square-bracketed identifiers ([schema].[table].[column]) as well as SQL Server query hints (WITH (NOLOCK)) and CROSS/OUTER APPLY clauses.

The parser automatically isolates CTE definitions (WITH cte_name AS (...)) and indents the enclosed queries. Window functions such as ROW_NUMBER() OVER (PARTITION BY ... ORDER BY ...) are cleanly aligned for readability.

Formatting (Beautifying) adds structured indentation, clause line breaks, and uppercase keywords to make SQL human-readable. Minifying strips all comments and collapses whitespace into a single line, making queries compact for programmatic string concatenation, JSON storage, or logging.