Free Database Tools
Diagnose performance issues, calculate costs, and make better infrastructure decisions — no signup, no credit card.
SQL Query Analyzer
Paste your slow SQL query and get an instant diagnosis. 100 rules covering full table scans, missing indexes, function abuse, bad joins, and more.
EXPLAIN ANALYZE Explainer
Paste your PostgreSQL EXPLAIN ANALYZE output and get plain-English explanations. Identifies bottlenecks, bad row estimates, and disk spills instantly.
Database Cost Calculator
Find out how much your slow database is costing you per month. Enter query times, server costs, and engineer hours to get the exact monthly waste.
Cloud DB Overspend Calculator
Enter your monthly cloud database bill and CPU utilization. Get an instant estimate of how much you're overpaying through over-provisioning and missing Reserved Instance discounts.
N+1 Query Impact Calculator
Quantify what N+1 queries cost you: extra database load, slower API response times, and wasted monthly spend. Shows the ORM-specific fix for your stack.
Data Infrastructure Health Score
12 questions across 6 service areas — cloud costs, caching, AI/vector, operations, cloud config, and API performance. Get a scored assessment and your top 3 improvement opportunities.
pgvector vs Vector DB Advisor
Answer 6 questions about your AI workload and get a concrete recommendation: pgvector, pgvector+pgvectorscale, or a managed vector database — with the reasoning behind it.
Redis Cache ROI Calculator
Model the impact of adding Redis to your application. See projected latency reduction, database load drop, and monthly cost savings before you build anything.
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