emscripten
brew install emscriptenLLVM bytecode to JavaScript compiler
License: Apache-2.0 AND (Apache-2.0 WITH LLVM-exception) AND (MIT OR NCSA)
Development: Pull requests
Formula JSON API: /api/formula/emscripten.json
Formula code: emscripten.rb on GitHub
Bottle (binary package) installation support provided for:
| macOS on Apple Silicon |
golden gate | ✅ |
|---|---|---|
| tahoe | ✅ | |
| sequoia | ✅ | |
| Linux | ARM64 | ✅ |
| x86_64 | ✅ |
Current versions:
| stable | ✅ | 6.0.13 |
| head | ⚡️ | HEAD |
Depends on:
| node | 26.13.0 | Open-source, cross-platform JavaScript runtime environment |
| python@3.15 | 3.15.2 | Interpreted, interactive, object-oriented programming language |
| yuicompressor | 2.4.8 | Yahoo! JavaScript and CSS compressor |
| openjdk | 27.0.1.0.3 | Development kit for the Java programming language |
Depends on when building from source:
| cmake | 4.4.5 | Cross-platform make |
Binaries:
bootstrap.py,
em++,
em-config,
emar,
embuilder,
emcc,
emcmake,
emconfigure,
emdwp,
emmake,
emnm,
empath-split,
emprofile,
emranlib,
emrun,
emscan-deps,
emscons,
emsize,
emstrip,
emsymbolizer,
wasm32-clang,
wasm32-clang++,
wasm32-wasi-clang,
wasm32-wasi-clang++
GitHub Packages downloads:
| Last 30 days | 16,577 |
|---|---|
| Downloads | 674,108 |
| Analytics install events (30 days) | 1,866 |
| Downloads / install events (30 days) | 8.9× |
Source: GitHub Packages, fetched 2026-11-01T00:50:17Z. Analytics dates: 2026-10-02 to 2026-11-01. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.
Analytics:
| 30 days | 90 days | 365 days | |
|---|---|---|---|
| Installs | 1,862 | 5,007 | 18,804 |
Installs (--HEAD) | 4 | 7 | 25 |
| Installs on Request | 1,862 | 5,007 | 18,785 |
Installs on Request (--HEAD) | 4 | 7 | 25 |
| Build Errors | 2 |