PAQ

PAQ8 is a series of archivers that achieve very high compression rates

Free software · mattmahoney.net

Open PAQ in AirStack

What PAQ’s own pages say

What it says it doesPAQ8 is a series of archivers that achieve very high compression rates mattmahoney.net
Open sourceYes mattmahoney.net
LicensePAQ variants licensed under GPL mattmahoney.net

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.