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SQL Formatter & Beautifier

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Keywords:
Input SQL0 chars / 0 lines
Formatted Output0 chars / 0 lines
Formatted SQL will appear here...

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This tool is provided as-is for convenience. Output should be verified before use in any production or critical context.

Programmatic Access

SQL Formatter & Beautifier is also callable as a free HTTP JSON API at https://aidevhub.io/api/sql-formatter/ — GET with query parameters or POST with a JSON body, no authentication, CORS enabled, 50 requests/day per IP. Responses return { ok, tool, result, meta }. 

curl -s -X POST https://aidevhub.io/api/sql-formatter/ \
  -H "Content-Type: application/json" \
  -d '{"sql":"select id, name from users where active = 1 order by name","mode":"format"}'

Machine-readable contract: /api/tool/sql-formatter.json All API endpoints: /agents/ LLM site index: /llms.txt

Agent Invocation

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Dedicated API endpoint

Deterministic outputs, machine-safe contracts, and production-ready examples.

Dedicated API

https://aidevhub.io/api/sql-formatter/

OpenAPI: https://aidevhub.io/api/openapi.yaml

GET /api/sql-formatter/ GET sql-formatter
POST /api/sql-formatter/ POST sql-formatter

Unified Runtime API

https://aidevhub.io/api/tools/run/?toolId=sql-formatter&a=...

GET and POST are supported at /api/tools/run/ with identical validation and limits.

Limit: 30 req / 60s, input max 256 KB.

How to Use SQL Formatter & Beautifier

  1. 1

    Paste your SQL query

    Copy any SQL query (SELECT, INSERT, UPDATE, DELETE, complex joins, subqueries) and paste it into the formatter. Even minified or poorly formatted SQL works.

  2. 2

    Beautify with automatic indentation

    Click 'Format' to beautify the query. SELECT, FROM, WHERE, JOIN clauses are indented properly. Nested subqueries are indented further.

  3. 3

    Choose SQL dialect

    Select your SQL flavor: MySQL, PostgreSQL, SQL Server, SQLite, or Oracle. Some formatting rules vary by dialect (e.g., function names, keywords).

  4. 4

    Minify for production (optional)

    Toggle 'Minify' to compress the query into a single line, removing unnecessary whitespace. Useful for reducing query size in logs or APIs.

  5. 5

    Copy and paste formatted query

    Copy the formatted SQL to clipboard. Ready to paste into your database client, migration files, or application code.

Frequently Asked Questions

What is SQL Formatter & Beautifier?
SQL Formatter & Beautifier is a free online tool that formats, beautifies, and minifies SQL queries. It supports keyword capitalization and proper indentation, making your SQL readable and consistent.
How do I use SQL Formatter & Beautifier?
Paste your SQL query into the editor, choose your formatting preferences like keyword capitalization and indentation style, then click Format. You can also minify SQL for production use.
Does SQL Formatter & Beautifier store or send my data?
No. All processing happens entirely in your browser. Your SQL queries stay on your device — nothing is sent to any server.
Which SQL dialects does SQL Formatter & Beautifier support?
The formatter handles standard SQL syntax used across MySQL, PostgreSQL, SQLite, SQL Server, and other common databases. It focuses on universal formatting rules like keyword capitalization and indentation.