QueryTuner

Paste any SQL query. Get severity-ranked findings, index recommendations, and rewritten SQL. No database connection needed.

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Overview

AI-powered SQL query diagnostics across PostgreSQL, MySQL, Oracle, SQL Server and SQLite. Paste your query, get instant performance analysis and an optimized rewrite.

AI summary

QueryTuner is an AI-powered tool designed for SQL query diagnostics across multiple database platforms, providing performance analysis and optimized query rewrites without requiring a database connection.

Who Is It For

Best for

Users seeking immediate insights into SQL query performance and optimization, particularly those working with PostgreSQL, MySQL, Oracle, SQL Server, or SQLite.

–Not for

Users looking for a free plan or trial, or those needing extensive integrations with other tools.

Strengths & Weaknesses

Biggest strength

Instant performance analysis and severity-ranked findings for SQL queries.

Biggest weakness

Limited visibility into pricing and available plans (AI-inferred; may be outdated – founders can correct this)

Classification

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Community

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How we sourced this: Observed fields () were crawled from https://www.querytuner.com/ and are stated as fact. AI-inferred fields () were generated by gpt-4o-mini and are always labelled – never presented as measured fact. Last updated: 18 August 2026. Is this your tool? Claim it to edit and get a do-follow badge.