Sandbox::https://npmx.dev/tsdown

The Elegant Bundler for Libraries

Types
ESM

License: MIT
Deps: 14(-)
View dependency graph Inspect dependency tree
Install Size: 184.9 kB
Vulns
Published: Nov 6, 2026

$ npm install tsdownpnpm add tsdownyarn add tsdownbun add tsdowndeno add npm:tsdownvlt install tsdownvp add tsdownnub add tsdownni tsdownupm add tsdown

Run locally

$ npx tsdown$ pnpm exec tsdown$ npx tsdown$ bunx tsdown$ deno run npm:tsdown$ vlx tsdown$ vp exec tsdown$ nubx tsdown$ nlx --local tsdown$ upx tsdown

Create new project

$ npm create tsdown$ pnpm create tsdown$ yarn create tsdown$ bun create tsdown$ deno create npm:tsdown$ vlx tsdown$ vp create tsdown$ nub create tsdown$ na create tsdown$ upm create tsdown

Across all versions

tsdown Starter StackBlitz

Node.js: ^22.18.0 || ^24.11.0 || >=26.0.0

0.23.7

latest

Nov 6, 2026

0.23.0-rc.1

Aug 28, 2026

0.23.0-beta.3

beta

Aug 10, 2026

@arethetypeswrong/coreoptional
^0.18.1
@tsdown/cssoptional
0.23.7
@tsdown/exeoptional
0.23.7
@vitejs/devtoolsoptional
*
publintoptional
^0.3.8
tsxoptional
*
typescriptoptional
^5.0.0 || ^6.0.0 || ^7.0.0
unplugin-unusedoptional
>=0.5.0
unrunoptional
*

Readme

tsdown

✨ The elegant bundler for libraries powered by Rolldown.

Features

🚀 Blazing fast: Build and generate declaration files powered by Oxc and Rolldown, incredibly fast!
♻️ Powerful ecosystem: Support Rollup, Rolldown, unplugin plugins, and some Vite plugins.
️🛠️ Easy to use: tsdown preconfigures everything you need to get started, so you can focus on writing code.
🔄 Seamless migration: Compatible with tsup's main options and features, ensuring a smooth transition.