Extmatrix.com is a premium file host. Normally, downloads from extmatrix.com require a paid premium plan on their site. NeoDebrid lets you download from extmatrix.com at full speed for a fraction of the cost by generating a direct premium link.
JDownloader is a free, open-source download manager that automates file downloads. NeoDebrid accounts work with JDownloader for Extmatrix.com and many other hosts.
https://extmatrixcom.example/file/ABCDEFG