SQLi.to — The AI SQL Query Optimizer

SQLi.to is a web-based SQL query optimizer for analyzing and improving SQL queries.

Supported engines:

• MySQL query optimization
• PostgreSQL query optimization
• SQL Server query optimization
• SQLite query optimization

How it works

1. Paste Your Query
   Enter your SQL query and select the database type.

2. Get AI Suggestions
   Instantly receive optimized query rewrites, index recommendations, and performance insights.

3. Add Context (Optional)
   Provide EXPLAIN output or schema information for deeper and more accurate analysis.

Features

• Intuitive interface: Paste a query and analyze it instantly. No setup required.
• Query rewrite suggestions: Helps restructure inefficient queries and explains potential improvements.
• Index suggestions: Detects missing or ineffective indexes based on query structure.
• Deep analysis mode for deeper, multi-step reasoning for complex queries
• EXPLAIN & schema analysis: Interprets execution plans and analyzes table structure and indexes.
• Query history: Keeps previously analyzed queries for easy reference.
• Share recommendations: Share optimization results with your team.

Use Cases

• Review slow or complex SQL queries
• Understand execution plans and schema impact
• Prepare optimization suggestions for code reviews

Status

Active development. Feedback and issues are welcome.