Terser
A JavaScript parser, mangler, and compressor toolkit for ES6+ that minifies code to reduce file size.
What is Terser?
Terser is a JavaScript minification tool that parses, compresses, and mangles ES6+ code to reduce file size and improve load times. It is a fork of uglify-es, designed to support modern JavaScript syntax while maintaining API compatibility. It solves the problem of large JavaScript bundles by applying optimizations like dead code removal, variable renaming, and expression simplification.
JavaScript developers and build engineers who need to optimize production code for web applications, particularly those using ES6+ features and module bundlers like Rollup or Webpack.
Developers choose Terser for its robust ES6+ support, active maintenance, and extensive configuration options that allow fine-tuned control over minification. It is the go‑to replacement for unmaintained tools like uglify‑es, offering better compatibility and smaller output.
Overview
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
Use Cases
Best For
- Minifying ES6+ JavaScript bundles in production builds
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