rars

A Rust implementation of RAR.

rars is free software and covers compression and decompression of archives from the early RE~^ ones all the way through to RAR 7. It comes with a Rust library, a CLI, Python and TypeScript bindings.

It's a bit slower than WinRAR, uses more memory, compresses a little bit worse and CLI isn't compatible with unrar. It could probably use more testing, too.

Usage

The rars crate is the API, as used by the Python and TypeScript packages. For the CLI run cargo install rars-cli.

To inspect, test, and extract archives:

rars info archive.rar
rars test archive.rar
rars x archive.rar out/

To create archives with a specific RAR generation:

rars a --format rar29 archive.rar files...
rars a --format rar50 --solid --auto-filter archive.rar files...
rars a --format rar70 --store --volume-size 10m archive.part1.rar files...

The writer supports stored and compressed members, split volumes, passwords, comments, RARVM filters, RAR5 quick-open records, and some support for recovery records and header encryption. There are a lot of args, run rars --help for more info.

Bindings

Python bindings are published to pypi, so you can pip install rars. To build locally, it's just python.

For JS it's built to WebAssembly and published to npm; npm install @bitplane/rars. It reads and writes in the browser and in Node, with no native module. To build locally, run just npm.

Project links

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  • Released:
Newer release available (0.9.3)

1 maintainer

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Avatar for davidsong from gravatar.com davidsong

Credits

Author: Yehor Smoliakov

GitHub Statistics

Data verified by PyPI on Aug 18, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT OR Apache-2.0
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Requires

Python >=3.10

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