SQL Formatter

SQL Formatter | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Development
Input types: textarea, number, checkbox, select
Output type: text
Sample coverage: 4
API ready: Yes

Overview

The SQL Formatter is a professional-grade utility designed to clean, beautify, and standardize your SQL queries for improved readability and maintainability. It supports a wide range of database dialects, allowing you to transform messy, single-line code into structured, indented, and keyword-capitalized SQL statements in seconds.

When to use

Before committing SQL scripts to version control to ensure consistent team coding standards.
When debugging complex, minified, or legacy queries that are difficult to read.
During documentation preparation to present clean and professional code snippets.

How it works

1Paste your raw SQL query into the input area.
2Select your specific database dialect from the dropdown menu to ensure syntax compatibility.
3Adjust the indentation size and keyword casing preferences if needed.
4Click the format button to generate the clean, structured output.

Use cases

Standardizing SQL scripts for shared team repositories.
Cleaning up auto-generated SQL queries from ORM tools.
Preparing SQL code for technical presentations or documentation.

Examples

1. Standardizing Legacy Queries

Database Administrator

Background

A legacy database migration project involved hundreds of lines of unformatted, single-line SQL queries.

Problem

The lack of indentation made it impossible to identify join conditions and filter logic quickly.

How to use

Paste the minified SQL into the tool, select 'PostgreSQL' as the dialect, and apply a 4-space indent.

indentSize: 4, uppercase: true, language: 'postgresql'

Outcome

The query was instantly transformed into a readable, multi-line format, allowing the team to identify and fix a missing join condition in minutes.

2. Preparing Code for Documentation

Software Developer

Background

A developer needed to include a complex analytical query in the project's internal API documentation.

Problem

The raw query was messy and did not meet the company's internal code style requirements.

How to use

Input the query, enable 'Uppercase Keywords', and set the tab width to 2.

indentSize: 2, uppercase: true, language: 'mysql'

FAQ

Does this tool support my specific database?

Yes, we support many popular dialects including MySQL, PostgreSQL, SQL Server (T-SQL), Snowflake, BigQuery, and SQLite.

Can I change the indentation style?

Yes, you can customize the indentation size and tab width to match your project's specific style guide.

Is my data stored on your servers?

No, this tool processes your queries locally in your browser to ensure your database code remains private.

Will formatting change the logic of my query?

No, the formatter only adjusts whitespace, line breaks, and keyword casing; the functional logic of your SQL remains identical.

Can I force keywords to be uppercase?

Yes, you can toggle the 'Uppercase Keywords' option to ensure all SQL commands like SELECT, FROM, and WHERE are standardized.

SQL Formatter

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Standardizing Legacy Queries

2. Preparing Code for Documentation

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