redex ☆
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Description:
Bytecode optimizer for Android apps
Type: Formula  |  Latest Version: 2017.10.31@0  |  Tracked Since: Dec 14, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: android optimization bytecode development dex
Install: brew install redex
About:
Redex is an open-source bytecode optimizer for Android applications. It analyzes and optimizes DEX files to reduce app size and improve startup performance. The tool performs optimizations like class merging, dead code elimination, and string deduplication.
Key Features:
  • Reduces APK size through bytecode optimization
  • Improves app startup time
  • Performs dead code removal and class merging
  • Supports configurable optimization passes
  • Open-source and extensible
Use Cases:
  • Reducing Android app size for distribution
  • Optimizing startup performance for large applications
  • CI/CD pipeline integration for app optimization
Alternatives:
  • ProGuard – ProGuard is primarily a shrinker/obfuscator, while Redex focuses on bytecode optimization and can work alongside ProGuard
  • R8 – R8 is Google's official shrinker/optimizer integrated into Android build tools, Redex offers additional optimization passes
Version History
Detected Version Rev Change Commit
Dec 14, 2025 8:21pm 21 VERSION_BUMP 1c5f9cc9
Dec 16, 2024 6:40am 18 VERSION_BUMP 9661febd
Sep 14, 2024 1:03am 16 VERSION_BUMP c782dfb8
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