Geek Labs

Oct 22, 2026 · Frontend Development

Ghostty in the Browser: 404KB WASM Replaces xterm.js's Handwritten Parser

ghostty-web compiles Ghostty's Zig-based terminal parser into a 404KB WebAssembly module, offering an xterm.js-compatible API with superior compatibility for complex scripts and escape sequences by minimizing WASM boundary crossings through a RenderState snapshot approach.