SQL Formatter
Paste your SQL query below to format it with proper keyword uppercasing, indentation, and logical line breaks.
How to Use
- Paste your SQL query into the input area on the left.
- Click "Format" to beautify the query with proper structure.
- Keywords like SELECT, FROM, WHERE, and JOIN are automatically uppercased.
- Click "Copy" to copy the formatted result to your clipboard.
Features
- Automatic keyword uppercasing (SELECT, FROM, WHERE, JOIN, etc.)
- Logical line breaks and indentation for readability
- Handles subqueries and nested expressions
- Supports common SQL clauses: SELECT, FROM, WHERE, JOIN, ORDER BY, GROUP BY, HAVING, LIMIT, UNION
- Copy formatted output to clipboard instantly
- Works entirely in your browser - no data sent to servers
Why Use a SQL Formatter
SQL queries often start as simple one-liners but grow into complex multi-join statements with subqueries, aggregations, and conditional logic. When a query spans dozens of lines with inconsistent formatting, understanding its intent and debugging issues becomes significantly harder. A SQL formatter structures your queries with logical line breaks, consistent indentation, and uppercased keywords, transforming unreadable one-liners into well-organized statements that reveal the query's logic at a glance.
Database administrators, backend developers, and data analysts all benefit from formatted SQL. When reviewing queries in pull requests, formatted SQL makes it easier to spot issues like missing WHERE clauses, incorrect JOINs, or misplaced aggregation functions. For teams that maintain shared query libraries or documentation, consistent formatting ensures that everyone can read and understand queries written by other team members without confusion.
This tool handles all common SQL clauses including SELECT, FROM, WHERE, JOIN, GROUP BY, HAVING, ORDER BY, LIMIT, and UNION. It automatically uppercases SQL keywords while preserving the case of your table names, column names, and values. The formatted output can be copied to your clipboard with a single click, ready to paste into your code editor, documentation, or database client. All processing runs in your browser, so query contents containing sensitive table names or business logic are never transmitted externally.
Frequently Asked Questions
Which SQL dialects does this formatter support?
This formatter works with standard SQL syntax that is common across most database systems including MySQL, PostgreSQL, SQL Server, SQLite, and Oracle. It focuses on universal SQL keywords and clause structures. Dialect-specific features like PostgreSQL's RETURNING clause or MySQL's LIMIT/OFFSET syntax are generally handled correctly since they follow standard formatting patterns.
Does the formatter change the meaning of my query?
No, the formatter only adjusts whitespace, line breaks, and keyword casing. It does not modify your query logic, reorder clauses, or change table or column names. The formatted query will execute identically to the original. SQL is whitespace-insensitive, so adding or removing spaces and line breaks has no effect on how the database processes the query.
Can I format multiple SQL statements at once?
You can paste multiple SQL statements separated by semicolons, and the formatter will process them. Each statement will be formatted independently with proper structure. This is useful when you have a migration script or a batch of queries that all need to be cleaned up at the same time.
Why are SQL keywords uppercased?
Uppercasing SQL keywords like SELECT, FROM, and WHERE is a widely adopted convention that makes queries easier to read by visually separating the structural keywords from your table names, column names, and values. While SQL itself is case-insensitive for keywords, the uppercase convention helps developers scan queries quickly and understand the query structure at a glance.