Back to Tools

SQL Injection Detector

Detect potential SQL injection patterns and generate safe escaped strings

Prevention Best Practices

  • Use parameterized queries (prepared statements)
  • Use stored procedures
  • Validate and sanitize all input
  • Use least privilege database accounts
  • Keep software updated

Example Safe Query

// Node.js with parameterized query
const query = 'SELECT * FROM users WHERE id = ?';
db.query(query, [userId]);

// Python with parameterized query
cursor.execute(
  "SELECT * FROM users WHERE id = %s",
  (user_id,)
)

Important Note

This tool is for educational purposes. Simple escaping is NOT sufficient protection against SQL injection. Always use parameterized queries or prepared statements provided by your database library.