Database tools
Connection strings, pool sizing, index selectivity, and query formatting.
DB Connection String Builder/Parser
Postgres, MySQL, MongoDB - parse or build connection strings.
Redis Memory Estimator
Key count, avg key/value size, and data structure to an estimated Redis memory footprint.
Connection Pool Sizing Calculator
Requests/sec and avg query time, via Little's Law, to a recommended pool size.
SQL Query Formatter
Paste a one-line SQL query - broken onto clauses with keywords uppercased.
Index Selectivity Estimator
Total rows and distinct values in a column to a selectivity score - will an index actually help.
Data Migration Risk Calculator
Row count, downtime tolerance, rollback complexity to risk level.
See this same kind of analysis applied to your whole repository
Call graphs, dead code, blast radius, and a health score. Results in 60 seconds, free.