Super-fast TypeScript/JavaScript compiler
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TL;DR - SWC
- SWC is an extremely fast JavaScript/TypeScript compiler written in Rust
- It replaces Babel with 20x faster compilation for modern JavaScript
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Very fast compilation
- Rust-based
- Babel compatible
- Next.js default
- Active development
Cons
- Plugin ecosystem smaller
- Some Babel features missing
- Debugging harder
- Learning curve
- Config different
Key Features
JS/TS compilerRust-basedSuper fastBabel alternativeMinificationOpen source
Pricing Plans
Free
Free
- Open source (Apache/MIT)
- 20x faster than Babel
- TypeScript/JavaScript compiler
- Used by Next.js, Deno
What is SWC?
SWC compiles JavaScript with Rust speed. Fast compiler for modern JavaScript-transformation at remarkable speed.
The speed transforms workflows. The Rust base enables performance. The adoption is growing.
JavaScript build tools increasingly use SWC for compilation speed.
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SWC FAQ
Is SWC free?
Yes, SWC is completely free and open source. It's written in Rust and funded by Vercel, who uses it in Next.js.
What is SWC?
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 vs Babel?
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.
Source: swc.rs