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

Streams

Use Bun's streams API to work with binary data without loading it all into memory at once

File I/O

Bun provides a set of optimized APIs for reading and writing files.

Binary Data

Working with binary data in JavaScript

On this page

Direct ReadableStream Handling backpressure Async generator streams Bun.ArrayBufferSink Reference