ts-blank-space – fast TypeScript type-stripper

We've built a new type-stripping compiler for TypeScript source: `ts-blank-space` It's: * 5.6x faster than `tsc` due to zero-codegen * Written in TypeScript * Uses the official TypeScript parser * Accurate/preserved source locations * In used in production It uses the same novel approach that inspired Node 22.6.0's `--experimental-strip-types` functionality, released last month

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In plain words

ts-blank-space is a TypeScript type-stripping compiler that removes type annotations from TypeScript code without generating new code. Written in TypeScript and using the official TypeScript parser, it runs 5.6x faster than tsc while preserving accurate source locations. The tool is already used in production and inspired the approach behind Node.js's `--experimental-strip-types` feature.

written from the facts on this page · September 2026

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