upx

Install command: 
brew install upx

Compress/expand executable files

https://upx.github.io/

License: GPL-2.0-or-later

Development: Pull requests

Formula JSON API: /api/formula/upx.json

Formula code: upx.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 ✅ 5.3.0
head ⚡️ HEAD

Depends on when building from source:

cmake 4.5.0 Cross-platform make
ucl 1.03 Data compression library with small memory footprint

Binaries: upx

GitHub Packages downloads:

Last 30 days15,021
Downloads690,184
Analytics install events (30 days)1,920
Downloads / install events (30 days)7.8×

Source: GitHub Packages, fetched 2026-11-14T00:24:48Z. Analytics dates: 2026-10-15 to 2026-11-14. 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 days90 days365 days
Installs1,9176,90017,425
Installs (--HEAD)31035
Installs on Request1,9166,89117,406
Installs on Request (--HEAD)31035
Build Errors4