parzip

A command line utility to pack and unpack zip archives using multiple threads.

Check out performance benchmarks on decompression and compression.

Licensed under GPLv3 or later.

Supports

• both zipping and unzipping
• multithreading
• uncompressed (i.e. stored) files
• deflate and lzma compression and decompression
• ZIP64 extensions (i.e. >4 GB files)
• unix file attributes

Does not support

• modifying existing archives
• encryption (zip encryption is broken, use GPG instead)
• ancient compression methods
• archives split to multiple files
• VMS, Amiga or any other non-modern platform

Contributions

Please send patches as merge requests via the Github project.