Like having a senior DBA
on your team, 24/7
Six powerful tools to diagnose slow queries, fix errors, review stored procedures, and keep your SQL Server running at its best — instantly, in plain English.
3 free analyses · No credit card required
Six tools. One toolkit.
Everything your team needs to diagnose, fix, and optimize SQL Server — all in one place
Query Analyzer
Paste a slow query with your schema and execution plan. Get a plain-English diagnosis, missing indexes, and an optimized rewrite instantly.
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Schema Advisor
Paste your CREATE TABLE statements. Get a health score, index recommendations, data type issues, and design improvements.
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Error Explainer
Paste any SQL Server error message. Get a clear explanation of what went wrong, why it happened, and exactly how to fix it.
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SQL Formatter
Paste messy, unreadable SQL. Get it instantly cleaned, properly indented, and formatted with correct keyword casing.
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SP Reviewer
Paste a stored procedure. Get a code quality score with performance issues, security risks, and improved code snippets.
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Deadlock Analyzer
Paste a deadlock XML from SQL Server. Get a plain-English breakdown of what caused it and how to prevent it from happening again.
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SQL Server expertise, instantly available
SQLens brings senior-level database knowledge to every member of your team
Answers in seconds
No waiting, no tickets, no back-and-forth. Paste your query or error and get a detailed, actionable answer immediately.
Plain English explanations
Complex execution plans, cryptic error codes, and obscure locking behavior — all explained clearly so your whole team understands.
Fixes you can apply today
Every diagnosis comes with specific, copy-paste-ready SQL you can run directly in SSMS. No guesswork, no trial and error.
How it works
Paste, analyze, fix. Up and running in seconds.
Pick your tool
Choose from 6 tools — query analyzer, schema advisor, error explainer, formatter, SP reviewer, or deadlock analyzer.
Paste your SQL
Paste your query, error, schema, or stored procedure. No agents to install, no database connections required.
Get your answer
SQLens uses Claude AI to return a clear, expert-level diagnosis with exact fixes you can apply right away in SSMS.
Simple pricing
Start free. Upgrade when you need more.
Free
Perfect for trying it out
- ✓ 3 analyses across all AI tools
- ✓ SQL Formatter always free
- ✓ Query Analyzer + Schema Advisor
- ✓ Error Explainer + SP Reviewer
- ✓ Deadlock Analyzer
Pro
For developers and teams
per month
- ✓ Unlimited analyses across all tools
- ✓ Everything in Free
- ✓ Priority support
- ✓ New tools as they launch
Your SQL Server expert is ready
Give your team instant access to senior-level database expertise. Diagnose, fix, and optimize with confidence.
Try SQLens free3 free analyses · No credit card required