lzsa ☆

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Description:
Lossless packer that is optimized for fast decompression on 8-bit micros

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: compression retro-computing 8-bit lzsa packer

Install: brew install lzsa

About:
LZSA is a compression tool designed specifically for 8-bit microcomputers. It features a fast decompressor that balances compression ratio with speed, making it ideal for loading data on vintage hardware. The format prioritizes efficient decompression on limited resources like the 6502 or Z80 processors.

Key Features:

Optimized for fast decompression on 8-bit CPUs
Good compression ratio vs. speed trade-off
Designed for retro computing environments
Open source implementation

Use Cases:

Compressing game assets for retro platforms
Optimizing program load times on 8-bit systems
Data storage on floppy disks or cassette tapes

Alternatives:

Exomizer – Exomizer is another popular 6502 compressor, often offering better compression but slower decompression than LZSA
ZX0 – ZX0 focuses on minimal decompression code size and speed, often competing directly with LZSA

Version History

Detected	Version	Rev	Change	Commit
Sep 13, 2025 10:40am		0	VERSION_BUMP	03bb62b1