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Kiln

The universal framework compiler. Turn Next.js, Astro, and web apps into single, self-contained native executable binaries via Bun.

100% Self-Contained Binaries

Compile SSR code, server chunks, static assets, and runtime dependencies into one standalone executable binary. Zero node_modules or Node.js runtime required on target servers.

Universal Framework Adapters

Modular adapter architecture designed for modern fullstack frameworks. Full production support for Next.js 16, Astro 7, TanStack Start, and React Router v7.

Instant Cold Starts (<10ms)

Deterministic SHA-256 build verification skips extraction on warm restarts, delivering immediate 0ms boot times and instant response handling.

Docker & Edge Optimized

Pre-extract runtime files during container image builds using --extract for lightning-fast container scaling and minimal image footprints.