Free database tools
Practical calculators and references, in one place.
Model a usage scenario, inspect PostgreSQL size safely, or compare provider concepts without turning unavailable data into an estimate.
Health and diagnostics
PostgreSQL health check
Analyze bounded PostgreSQL catalog statistics locally—without connecting your database.
Open toolpg_stat_statements analyzer
Rank bounded query fingerprints from CSV, TSV, JSON, or an eligible connected database—without SQL text.
Open toolDatabase growth calculator
Measure growth pace and a transparent threshold projection.
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Usage and cost
Neon CU-hour calculator
Estimate CU-hours from average compute size and active runtime.
Open toolSupabase usage calculator
Compare billing-cycle usage with allowances from your current plan.
Open toolDatabase egress calculator
Estimate outbound transfer from responses, downloads, and other traffic.
Open tool
PostgreSQL references
PostgreSQL database size guide
Use built-in PostgreSQL functions to inspect database and relation sizes.
Open toolPostgreSQL index size guide
Measure table and index footprint without reading application rows.
Open toolNeon vs Supabase
Compare current platform and usage-model differences without a false winner.
Open tool
What can DatabaseMeter collect?
Provider APIs expose different measurements. Review the current Neon and Supabase capability matrix before assuming a metric is available.