SQL Formatter for API Responses

About This Tool

Working with REST APIs, GraphQL endpoints, and webhooks means constantly processing SQL response data. Raw API responses are typically minified — stripped of all whitespace and line breaks to minimize payload size — making them virtually impossible to read without formatting. This tool transforms those compact responses into well-structured, readable output that reveals the data hierarchy and makes it easy to locate specific values. Paste a response from Postman, cURL, browser DevTools Network tab, or any API client, and instantly see the formatted result. The tool validates the response structure during processing, catching malformed responses that might cause subtle bugs in your application. For developers debugging production issues, this immediate visibility into API data structures is invaluable.

What is SQL Formatter?

A SQL formatter transforms raw, single-line SQL queries into cleanly formatted statements with proper indentation, line breaks at clause boundaries (SELECT, FROM, WHERE, JOIN, etc.), and standardized keyword casing. Well-formatted SQL is dramatically easier to read, debug, and review than single-line queries. The formatter applies industry-standard formatting conventions: major clauses start on new lines, JOIN conditions are indented, AND/OR conditions are clearly separated, and keywords are uppercased for visual distinction from table/column names. This tool supports all standard SQL syntax including SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, subqueries, and Common Table Expressions (CTEs).

How to Use This Tool

1. Paste your SQL query.
2. Click Format SQL.
3. View the formatted output with proper indentation.
4. Keywords are automatically uppercased.

Common Use Cases

• Formatting raw API response bodies for debugging
• Processing webhook payloads for analysis
• Cleaning up GraphQL query responses
• Inspecting third-party API data structures

Examples

select u.name, u.email from users u inner join orders o on u.id = o.user_id where o.total > 100 order by o.total desc

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