Free Supabase & Postgres tools

Free tools

Small, focused utilities for anyone working with Supabase and Postgres. No signup, no upload — they run entirely in your browser.

Supabase connection string builder

Generate a correct pooler or direct connection string — right host, right port, URL-encoded password. IPv4-safe.

Paste a Postgres/Supabase error and get the explanation plus the exact SQL fix. Runs in your browser.