SWC (Speedy Web Compiler) is a Rust-based JavaScript and TypeScript compiler that is 20x faster than Babel on a single thread and 70x faster on four cores. It handles transpilation, minification, and bundling, and powers major tools including Next.js, Parcel, and Rspack.
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---
name: "SWC Speedy Web Compiler for JavaScript and TypeScript"
slug: "swc-speedy-web-compiler-javascript-typescript"
description: "SWC (Speedy Web Compiler) is a Rust-based JavaScript and TypeScript compiler that is 20x faster than Babel on a single thread and 70x faster on four cores. It handles transpilation, minification, and bundling, and powers major tools including Next.js, Parcel, and Rspack."
github_stars: 33347
verification: "security_reviewed"
source: "https://github.com/swc-project/swc"
author: "swc"
category: "Developer Tools"
framework: "Multi-Framework"
tool_ecosystem:
github_repo: "swc-project/swc"
github_stars: 33347
npm_package: "@swc-project/swc"
npm_weekly_downloads: 3
---
# SWC Speedy Web Compiler for JavaScript and TypeScript
SWC (Speedy Web Compiler) is a Rust-based JavaScript and TypeScript compiler that is 20x faster than Babel on a single thread and 70x faster on four cores. It handles transpilation, minification, and bundling, and powers major tools including Next.js, Parcel, and Rspack.
## Installation
Use the upstream install or setup path that matches your environment:
- Make the web (development) faster.
Requirements and caveats from upstream:
- <a href="https://github.com/swc-project/swc/blob/main/package.json#L22"><img alt="node-current (scoped)" src="https://img.shields.io/node/v/@swc/core"></a>
- Supported Node Versions:
- Node v10+ for usage
Basic usage or getting-started notes:
- command to run the script.
- Source: https://github.com/swc-project/swc
- Extracted from upstream docs: https://raw.githubusercontent.com/swc-project/swc/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/swc-speedy-web-compiler-javascript-typescript/)
