# Technical Documentation: facebook/redex

> ℹ️ **Provenance:** Hybrid Fusion: `facebook/redex` (README + 1 In-Tree Chapters) · [CodeWiki Reference](https://codewiki.google/github.com/facebook/redex) · Recency: Active (< 180 days)

## 1. Project Overview & Quickstart (facebook/redex)

# ReDex: An Android Bytecode Optimizer

ReDex is an Android bytecode (dex) optimizer originally developed at
Facebook. It provides a framework for reading, writing, and analyzing .dex
files, and a set of optimization passes that use this framework to improve the
bytecode.  An APK optimized by ReDex should be smaller and faster than its
source.

Go to https://fbredex.com for full documentation.

## Contributions

See [CONTRIBUTING.md](https://github.com/facebook/redex/blob/master/CONTRIBUTING.md) to understand how to contribute to this project.

## License

The ReDex repository is available under the [MIT License](https://github.com/facebook/redex/blob/master/LICENSE).

## 2. In-Tree Documentation Chapters (facebook/redex)

# ReDex: An Android Bytecode Optimizer

ReDex is an Android bytecode (dex) optimizer originally developed at
Facebook. It provides a framework for reading, writing, and analyzing .dex
files, and a set of optimization passes that use this framework to improve the
bytecode.  An APK optimized by ReDex should be smaller and faster than its
source.

Go to https://fbredex.com for full documentation.

## Contributions

See [CONTRIBUTING.md](https://github.com/facebook/redex/blob/master/CONTRIBUTING.md) to understand how to contribute to this project.

## License

The ReDex repository is available under the [MIT License](https://github.com/facebook/redex/blob/master/LICENSE).

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- Canonical Reference: https://codewiki.google/github.com/facebook/redex