What does IDX mean, and why do some users upload IDX+SUB files to other sites?
A. Many users rate IDX+SUB files as bad, maybe because they don’t know how to use them. Such files, however, aren’t bad at all! They’re just non-text files, since they are made of single images that overlay the video-picture, and therefore they cannot be edited as they are, and maybe that’s why many translators prefer to make their own subtitles as IDX+SUB. In order to be edited, the subtitles included in an IDX+SUB file should be ripped and saved as a text file such as .srt, .txt, .sub etc, with applications like ‘SubResynch’ or ‘Subrip’. Such programs, however, don’t support all the existing fonts (for example, only some modified versions of Subrip support the Arabic fonts). An advantage of these files is they can include more than a single language, among which you can choose. IDX are index files which tell what languages are included in the correspondent SUB file. A SUB file can work without the IDX, even if its languages won’t be recognised, but an IDX only is useless, since the s
