If you still have access to thw original DVDs then just delete those TS folders and re-rip them using MakeMKV. If you no longer have access to them then you need to make those TS folders into a DVD again. The easiest way would likely be using something like IMGburn to "burn" them to an ISO file, then use Daemon Tools to mount the ISO file and Free Download for Windows 7 or later. Free Download for Mac OS X 10.6 or later. Step 1: Load the DVD. Run the Handbrake alternative ISO converter and click the Image button. Select the ISO image file from your computer. Step 2: Select an output format. 01. Load DVD movies. After downloading, install and run the DVD Ripper. Then click "Load DVD" to import the DVD movies you want to rip. You can add files from DVD disc, DVD folder, ISO image file or IFO file. When the DVD files are loaded, select the titles you'd like to convert and click "Merge into One File" at the bottom to join all the Click " Settings " to switch to the "Multi-task Settings" interface where you can change video/audio/subtitle settings. For DVD to MKV lossless conversion, you can keep the default settings without any change. You can also click the "Audio" tab to check the audio channels you want and uncheck the unwanted. From the "Disc device" menu, select the menu entry corresponding to the computer's DVD reader. For example, it might be "F:\ - Wedding Movie". Click the Play button at the bottom of the dialog. The Open Media dialog disappears. The DVD now appears as an entry in the playlist, e.g. "DVD://F". Double-click on the DVD entry in the playlist. Over time, this format is pretty out of date since a MPEG-2 formatted video has lower quality and a larger file size compared to modern digital video formats like MKV, WMV, MP4. 2. The best format to rip DVDs. The video format is also named the video compression format. Every video format is equipped with different transcoding and compression To rip any copy protected DVD freely, you need a more powerful alternative. If you're looking for a tool that can get the fast speed, optimal quality, and small size for the DVD to H.264 MP4/MOV/MKV task, the battle-tested DVD converter - EaseFab DVD Ripper can get the best possible quality-size results in a balanced way. MakeMKV (Win/OS X/Linux) We’ve praised MakeMKV before for its ability to quickly and easily rip DVDs and Blu-ray discs to high quality MKV files with a single click. The app has been in beta for JWut.