Next.js 14 · React 18 · TypeScript (strict) · React Flow · Zustand · Tailwind · i18n (EN/PL)
PgX-Ray - Postgres EXPLAIN Visualiser
A client-side visualiser for Postgres EXPLAIN (ANALYZE, FORMAT JSON) plans — paste the JSON, get an interactive graph with heatmap-coloured hotspots and automatic "Smart Insights" that flag sequential scans, row-estimate drift, Nested Loop explosions and work_mem spills. Runs entirely in the browser — no data leaves the tab. Next.js 14 (static export), React Flow, strict TypeScript, Zustand, Tailwind; EN/PL with locale-aware number formatting; 120 tests across parser, rule engine, XSS surface, determinism and dictionary parity.