rars

A Rust implementation of RAR.

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rars is free software for compression, decompression and recovery of RAR archives. It supports all the archive types I could find - from the early RE~^ ones from the DOS days all the way through to RAR 7. It comes with a Rust library, a CLI, Python and TypeScript bindings.

It started as an agentic development experiment, and has since matured as it gained some users. It's still a bit slower than WinRAR, uses more memory and has slightly worse compression. It could use more testing at volume, too. Other than that it's in pretty good shape.

Install

cargo install rars-cli       # the CLI
cargo add rars               # the Rust library
pip install rars             # Python
npm install @bitplane/rars   # JavaScript, as WebAssembly for Node or the browser

Then rars --help. For example:

rars x archive.rar out/
rars a --format rar29 --solid archive.rar files...
rars a --format rar70 --volume-size 10m archive.part1.rar files...

Licensed under the Apache License, Version 2.0.