The industry standard for remuxing files into the Matroska (.mkv) container, allowing you to add or remove audio tracks and subtitles without quality loss.
Leo sat in a dim room illuminated only by the triple-monitor glow of his workstation. He was a "repacker"—a digital architect who specialized in taking bloated, raw video files and stripping them down to their leanest, most perfect form without losing a single pixel of quality. Usually, he handled blockbuster leaks, but tonight was different. xmature video repack
It is important to distinguish between personal repacking and distribution . for personal backup purposes (format shifting) is generally considered fair use in many jurisdictions. However, distributing that repack publicly—whether labeled xmature or otherwise—without copyright holder permission is illegal in most countries. The industry standard for remuxing files into the Matroska (