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About SQL Formatter

Format, beautify, and minify SQL queries instantly. Supports uppercase/lowercase keyword conversion, configurable indentation, and common SQL syntax across major databases.

✓Auto-format on paste
✓Uppercase/lowercase keywords
✓Minify for production
✓Download as .sql or .txt

Complete Guide to SQL Formatting

Free Online SQL Formatter & Beautifier

Format, beautify, and minify SQL queries with this free online SQL formatter. It supports SELECT, INSERT, UPDATE, DELETE, CREATE TABLE, JOINs, subqueries, and common syntax used in MySQL, PostgreSQL, SQL Server, Oracle, and SQLite.

Key Features

Format & Beautify

  • Auto-format on paste
  • Indent clauses clearly
  • Choose 2 or 4-space indentation
  • Add line breaks for readability
  • Split SELECT columns across lines

Keyword Casing

  • Uppercase keywords such as SELECT and FROM
  • Lowercase keywords such as select and from
  • Consistent keyword formatting
  • Common SQL keywords supported
  • Toggle casing with one click

Minify SQL

  • Remove whitespace
  • Remove comments
  • Create single-line output
  • Reduce query size
  • Optimize for embedding

Statistics & Export

  • Character counts
  • Statement count
  • Line count
  • Copy to clipboard
  • Download as .sql or .txt

Why Use This SQL Formatter?

Private by design: All SQL formatting happens in your browser, so queries are not uploaded.

Works across dialects: Useful for MySQL, PostgreSQL, SQL Server, Oracle, SQLite, and standard SQL.

Readable reviews: Formatted queries make code reviews, debugging, and pull request diffs easier.

Consistent style: Apply consistent keyword casing and indentation across your team.

How to Format SQL Online

  1. Paste SQL: Paste your query into the input panel. Auto-format is enabled by default.
  2. Choose options: Select indentation size and keyword casing.
  3. Format or minify: Click Format to beautify or Minify to compress SQL.
  4. Review output: Check the formatted SQL and statistics.
  5. Export: Copy the result or download it as .sql or .txt.

What is SQL?

SQL (Structured Query Language) is the standard language for managing and querying relational databases. It is used by applications, analytics systems, business intelligence tools, and backend services to retrieve and modify data.

Common SQL Statement Types:

SELECT: Retrieve data from one or more tables with filtering, sorting, grouping, and joins.

INSERT: Add new rows of data into a table.

UPDATE: Modify existing rows based on conditions.

DELETE: Remove rows from a table based on conditions.

CREATE/ALTER/DROP: Define, change, or remove database objects such as tables, indexes, and views.

JOIN: Combine rows from multiple tables using related columns.

Common SQL Formatting Conventions

Uppercase keywords: Write SQL keywords like SELECT, FROM, and WHERE in uppercase to separate them from table and column names.

One clause per line: Start major clauses on new lines for readability.

Indent columns: Put selected columns on separate lines with consistent indentation.

Indent conditions: Indent AND/OR conditions under WHERE.

Align JOINs: Keep JOIN clauses aligned and indent ON conditions.

Perfect For

  • Database developers and DBAs
  • Backend developers
  • Data analysts and scientists
  • DevOps engineers
  • QA and testing teams
  • Students learning SQL
  • Code reviewers
  • Technical writers
  • BI developers
  • ETL developers
  • Application developers
  • Data engineers

SQL Best Practices

  • Use meaningful short aliases for tables.
  • Avoid SELECT * and request only the columns you need.
  • Use JOINs and CTEs to make complex queries easier to read.
  • Format SQL before committing so diffs stay clean.
  • Comment complex WHERE clauses, CTEs, and window functions.
  • Create indexes for columns used in WHERE, JOIN, and ORDER BY clauses.
  • Use parameterized queries to prevent SQL injection.

Complete Privacy Protection

All SQL formatting and processing happens entirely in your web browser using JavaScript. Your database queries, schema definitions, and sensitive data are never uploaded, stored, logged, or transmitted.

Learn More About SQL

Want to understand SQL from the ground up? Read our guide covering syntax, CRUD operations, JOINs, indexing, transactions, SQL dialects, SQL injection prevention, and best practices.

Read: What is SQL?

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