SWC is completely free to use.
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Write a ReviewYes, SWC is completely free and open source. It's written in Rust and funded by Vercel, who uses it in Next.js.
SWC is a super-fast JavaScript/TypeScript compiler written in Rust. It can replace Babel and is 20-70x faster. Used by Next.js, Parcel, and Deno.
SWC is dramatically faster than Babel (20x+). Babel has more plugins and ecosystem maturity. SWC is the clear choice for speed; Babel for specific plugin needs.