Get Started

Welcome to Bun Installation Quickstart TypeScript TypeScript 6 and 7

Watch Mode Debugging REPL bunfig.toml File Types Module Resolution JSX Auto-install Plugins File System Router

Cookies File I/O Streams Binary Data Archive SQL SQLite S3 Redis Workers Environment Variables Shell Spawn WebView Cron Node-API FFI C Compiler Transpiler CSRF Protection Secrets Console TOML YAML Markdown JSON5 JSONL HTMLRewriter Image Hashing Glob Semver Color Utils Globals Bun APIs Web APIs Node.js Compatibility

Standards & Compatibility

Auto-install

Bun's automatic package installation feature for standalone script execution

JSX

Built-in JSX and TSX support in Bun with configurable transpilation options

Plugins

Universal plugin API for extending Bun's runtime and bundler

On this page

Version resolution Cache behavior Installation Version specifiers Benefits Limitations FAQ