# Google Closure Compiler

6 Hacker News commenters recommended Google Closure Compiler and 2 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months.

**Verdict:** Praised for aggressive code elimination and variable renaming that few JavaScript tools match. Critics say it can break code and is being dropped from build pipelines.

## Why people recommend it

- Advanced optimization and renaming (3 comments): "It does a level of code elimination and variable renaming at a level that no other JavaScript tool even approaches. Excellent software." ([source](https://news.ycombinator.com/item?id=48067780)) "the compiler itself AFAIK remains best in class and has commits on GitHub as of 15 hours ago" ([source](https://news.ycombinator.com/item?id=47688745)) "probably still the most advanced JS optimized" ([source](https://news.ycombinator.com/item?id=46961171))

## What people warn about

- Seen as dead or a liability (3 comments): "It has become a liability in the build process and people are getting rid of it." ([source](https://news.ycombinator.com/item?id=47689996)) "the half dead "Google Closure Compiler" as an example" ([source](https://news.ycombinator.com/item?id=47688152)) "get rid of the elephant in the room" ([source](https://news.ycombinator.com/item?id=48060797))

## Alternatives hackers recommend

- [Oxc](https://hackerapproved.com/p/oxc.md): 14 recommend
- [React Compiler](https://hackerapproved.com/p/react-compiler.md): 10 recommend
- [SWC](https://hackerapproved.com/p/swc.md): 8 recommend
- [Babel](https://hackerapproved.com/p/babel.md): 5 recommend

## Cite as

Hacker Approved, "Google Closure Compiler", https://hackerapproved.com/p/google-closure-compiler/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).