EZ Formatter

JavaScript Minifier

Terser optimizes JavaScript without running it. Options can change names and remove code. Savings depend on the input; test the output in its intended application.

JavaScript Input
Minified JS

JavaScript Minifier

Frequently Asked Questions: How much smaller will my script get?

Terser optimizes JavaScript without running it. Options can change names and remove code. Savings depend on the input; test the output in its intended application.

Authoritative References

Standards and official documentation that define the formats this tool works with.

ECMA-262 - ECMAScript Language Specification

ECMA-262: the ECMAScript language standard that defines JavaScript syntax and semantics.

MDN Web Docs - JavaScript

Mozilla JavaScript reference — the language documentation the web runs on.

Prettier - Opinionated Code Formatter

Prettier, the opinionated code formatter whose defaults shaped modern JavaScript style.

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