# 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.

- Skill: `agentskillexchange/swc-speedy-web-compiler-for-javascript-and-typescript` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/swc-speedy-web-compiler-for-javascript-and-typescript`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/swc-speedy-web-compiler-for-javascript-and-typescript/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/swc-speedy-web-compiler-for-javascript-and-typescript

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# 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/)

