SQL Formatter & Beautifier

Input SQL

Keyword Case

Indent

Sample

SQL input

Formatting Rules

The formatter applies these rules:

Major clauses (SELECT, FROM, WHERE, etc.) start on new lines
JOIN clauses get their own line
Column lists are indented under SELECT
AND/OR conditions are indented under WHERE
Keywords are capitalized (configurable)
Consistent spacing around operators

Keyboard Shortcuts

Ctrl+Enter — Format SQL
Tab — Indent in textarea

SQL Best Practices

Use aliases for table names
Capitalize SQL keywords
One column per line in SELECT
Indent subqueries
Comment complex logic
Use meaningful alias names

Free Online SQL Formatter

Writing clean, well-formatted SQL is essential for readability and maintainability, whether you're working with MySQL, PostgreSQL, SQLite, SQL Server, or Oracle. This SQL formatter takes messy, single-line, or poorly indented SQL queries and transforms them into clean, readable code with proper indentation and keyword capitalization.

Consistent SQL formatting is especially important when working in teams. When everyone follows the same formatting conventions — uppercase keywords, consistent indentation, each major clause on its own line — code reviews become easier, bugs are more visible, and knowledge transfer is faster. Many organizations adopt SQL style guides, and this formatter helps enforce those standards automatically.

The formatter handles all common SQL statement types: SELECT queries with complex JOINs and subqueries, INSERT statements, UPDATE operations, DELETE statements, and DDL commands like CREATE TABLE and ALTER TABLE. It intelligently breaks lines at major clause boundaries (SELECT, FROM, WHERE, JOIN, GROUP BY, HAVING, ORDER BY, LIMIT) and indents continuation lines for readability.

For developers across Africa building applications with databases — whether that's fintech APIs in Lagos, e-commerce platforms in Nairobi, or government systems in Pretoria — properly formatted SQL makes debugging faster and collaboration smoother. Combined with proper indexing and query optimization, clean SQL is a hallmark of professional database development.

Frequently Asked Questions

Does this formatter change my SQL logic?

No. The formatter only changes whitespace, line breaks, and keyword capitalization. Your SQL logic, table names, column names, and values remain completely unchanged. The output query is functionally identical to the input.

Which SQL dialects are supported?

The formatter supports standard SQL syntax used by MySQL, PostgreSQL, SQLite, SQL Server, and Oracle. Dialect-specific keywords and functions are generally handled correctly since they follow standard SQL formatting conventions.

Is my SQL data safe?

Yes. All formatting happens entirely in your browser using JavaScript. Your SQL is never sent to any server. No data leaves your computer.

SQL formatter sources and verification

Sources and methodology

The formatter uses the SQL text you paste plus local string-formatting rules for common clauses, indentation, keyword case, line breaks, minification, syntax highlighting, and query review flags.

Before sharing or running

Verify the query in your real database environment, migration tool, or query planner. Check destructive statements, placeholders, schema names, tenant filters, permissions, indexes, execution plans, and whether copied examples contain customer data or secrets.

Privacy and limitations

Formatting runs locally in this browser and does not execute SQL, connect to a database, validate tables or indexes, prove performance, detect every dialect edge case, or replace code review.