tar -xzf archive.gz --strip-components=1
tar -xzf archive.tar.gz --strip-components=1
Documentation: manpages.debian.org/unstable/tar/tar.1.en
A website made for testing
tar -xzf archive.gz --strip-components=1
tar -xzf archive.tar.gz --strip-components=1
Documentation: manpages.debian.org/unstable/tar/tar.1.en