Free SQL Formatter
SQL Formatter
SQL Formatter Tool Guide
SQL Formatter Guide
Format and beautify your SQL queries with ease
How to Use
Enter SQL: Paste or type your SQL query in the left panel.
Format: Click the “Format” button (or wait 0.8s for auto-formatting).
Copy: Click “Copy” to get the formatted SQL.
Key Features
Feature | What It Does | Hot Tip |
---|---|---|
Auto-Format | Adds indentation, line breaks, and standard spacing. | Works as you type! |
Toggle Case | Switches keywords between UPPERCASE/lowercase. | Default: UPPERCASE (ANSI standard). |
Syntax Highlight | Colors SQL keywords for readability. | Supports most SQL dialects. |
Error Handling | Shows alerts for invalid SQL syntax. | Hover to see details. |
SQL Formatting Rules
✔ Indentation: 4 spaces for nested clauses (e.g., WHERE
, JOIN
).
✔ Line Breaks: New lines for major clauses (SELECT
, FROM
, WHERE
).
✔ Alignment: Vertically aligns related keywords.
✔ Spacing: Ensures consistent spacing around operators (=
, >
).
Example:
/* Before */ SELECT customers.name,orders.total FROM customers JOIN orders ON customers.id=orders.customer_id WHERE orders.date>='2023-01-01'; /* After */ SELECT customers.name, orders.total FROM customers JOIN orders ON customers.id = orders.customer_id WHERE orders.date >= '2023-01-01'
FAQ
Q: Does this support complex queries?
A: Yes! Handles subqueries, CTEs, and nested functions.
Q: Can I customize the formatting style?
A: Not directly—this uses standard ANSI SQL conventions.
Q: Why is my query not formatting?
A: Check for syntax errors (shown in red alert).
Q: Where is my data stored?
A: Only in your browser—nothing is sent to servers.
Pro Tips
🔹 Keyboard Shortcuts:
Ctrl+A
→ Select allTab
→ Indent selected text
🔹 For Teams:
Copy formatted SQL into your DB client or version control.
Standardize team SQL style by sharing this tool.
🔹 Learning SQL?
Use the formatter to understand query structure.
Limitations
⚠ Browser-based: Large queries (>10k chars) may slow performance.
⚠ Dialect Variations: Some database-specific syntax may format imperfectly.