PostgreSQL Formatter: Beautify Postgres Queries Online

Format and beautify PostgreSQL queries with our free online tool. PostgreSQL (Postgres) is the world's most advanced open-source relational database, known for its powerful features like CTEs, window functions, JSONB support, and advanced indexing. Our formatter helps you write clean, readable Postgres queries that leverage these advanced features.

Paste your PostgreSQL query to instantly format it with proper indentation and line breaks. Choose keyword casing (UPPERCASE, lowercase, or Capitalize) and indentation style (2 spaces, 4 spaces, or tabs). Perfect for developers working with PostgreSQL databases, Django, Rails, Node.js, and other Postgres-based applications. All formatting happens in your browser - your queries never leave your device. 

Formatted PostgreSQL query will appear here...

Why Format PostgreSQL Queries?

PostgreSQL queries, especially those using advanced features like CTEs (Common Table Expressions), window functions, and complex JOINs, can become extremely difficult to read. Proper formatting makes your Postgres code more maintainable, easier to optimize, and improves team collaboration. Well-formatted queries are crucial for performance tuning and code reviews.

PostgreSQL-Specific Features Supported:

  • CTEs (WITH Queries): Common Table Expressions for complex queries
  • Window Functions: ROW_NUMBER(), RANK(), LAG(), LEAD(), PARTITION BY
  • JSONB Operators: ->, ->>, #>, @>, ? and other JSON operations
  • Array Operations: ARRAY[], ANY(), ALL(), array_agg()
  • SERIAL/BIGSERIAL: PostgreSQL's auto-increment types
  • UUID Support: UUID primary keys and gen_random_uuid()
  • Dollar Quoting: $$ and $body$ string quoting
  • Advanced Types: INTERVAL, TIMESTAMP WITH TIME ZONE, ARRAY types

Example PostgreSQL Query with CTE:

Unformatted:

with monthly_sales as (select user_id,date_trunc('month',order_date) as month,sum(total) as monthly_total from orders group by user_id,date_trunc('month',order_date)) select u.name,ms.month,ms.monthly_total,row_number() over (partition by ms.user_id order by ms.monthly_total desc) as rank from users u join monthly_sales ms on u.id=ms.user_id where ms.monthly_total>1000

Formatted:

WITH monthly_sales AS (
  SELECT
    user_id,
    DATE_TRUNC('month', order_date) AS month,
    SUM(total) AS monthly_total
  FROM orders
  GROUP BY user_id, DATE_TRUNC('month', order_date)
)
SELECT
  u.name,
  ms.month,
  ms.monthly_total,
  ROW_NUMBER() OVER (
    PARTITION BY ms.user_id
    ORDER BY ms.monthly_total DESC
  ) AS rank
FROM users u
JOIN monthly_sales ms ON u.id = ms.user_id
WHERE ms.monthly_total > 1000

Common PostgreSQL Use Cases:

  • Data Analytics: Format complex analytical queries with window functions
  • Django/Rails Applications: Clean up raw SQL queries
  • Database Migrations: Format schema changes and DDL statements
  • Performance Optimization: Make queries readable for EXPLAIN ANALYZE
  • Code Reviews: Present queries in a consistent format
  • JSONB Queries: Format complex JSON path operations
  • Stored Procedures: Format PL/pgSQL functions and procedures

Features:

  • Format PostgreSQL queries with custom indentation
  • Minify queries for production use
  • Keyword casing options (UPPERCASE, lowercase, Capitalize)
  • Syntax validation for balanced parentheses
  • Query statistics (size, keywords, compression ratio)
  • One-click copy to clipboard
  • 100% client-side - queries never leave your browser
  • Supports PostgreSQL 12, 13, 14, 15, 16, and newer versions

PostgreSQL Best Practices:

  • Use CTEs (WITH queries) for complex multi-step queries
  • Leverage window functions instead of self-joins
  • Use UPPERCASE for SQL keywords for consistency
  • Indent window function OVER clauses properly
  • Put each CTE on its own lines with clear structure
  • Use explicit JOIN syntax (JOIN...ON) instead of implicit joins
  • Format queries for development, minify for production

Frequently Asked Questions

What PostgreSQL-specific features does this formatter support? +

Our formatter handles PostgreSQL-specific syntax including CTEs (WITH clauses), window functions (OVER, PARTITION BY), dollar quoting ($$), JSONB operators (->>, @>), array syntax, RETURNING clauses, UPSERT (ON CONFLICT), and PostgreSQL-specific data types like SERIAL, UUID, and JSONB.

How do I format CTEs (Common Table Expressions)? +

Paste your entire query including the WITH clause. The formatter will properly indent each CTE, align the AS keywords, and format the main query. Recursive CTEs (WITH RECURSIVE) are also supported with proper indentation of the UNION ALL parts.

Does this handle dollar-quoted strings correctly? +

Yes! Dollar quoting ($$text$$, $tag$text$tag$) is properly recognized and preserved. This is essential for PostgreSQL functions, triggers, and DO blocks where you need to include SQL statements containing single quotes.

Can I format PL/pgSQL functions and procedures? +

Yes, the formatter handles CREATE FUNCTION and CREATE PROCEDURE statements including PL/pgSQL blocks. It properly indents DECLARE sections, BEGIN/END blocks, and control structures. Dollar-quoted function bodies are preserved correctly.

What about JSONB operations formatting? +

JSONB operators like ->, ->>, #>, @>, and ?| are recognized and properly spaced. JSON path expressions and JSONB functions (jsonb_build_object, jsonb_agg) are formatted for readability while maintaining correct syntax.