"Portable" versions of movies are encoded using specific codecs (often H.264 or H.265/HEVC) that compress the file heavily without completely destroying the visual quality.
A: "Portable" versions of the film available on unauthorized sites vary widely in quality and are often low-resolution. However, all legal streaming services offer high-quality 720p or 1080p video. You can use the offline download feature on these legal apps to get a high-resolution portable file safely. download rab ne bana di jodi 2008 hindi 72 portable