The Ultimate Guide to IDX Subtitle Files: VobSub Explained If you’ve ever ripped a DVD or downloaded a movie, you may have encountered a pair of files ending in .idx and .sub . Unlike standard text-based subtitles (like SRT), these are —also known as IDX/SUB or IDX subtitle files—which are image-based, rather than text-based.
Excellent support for VobSub files. PotPlayer: Very customizable for image-based subtitles. 4. How to Convert or Edit IDX Subtitles idx subtitle
Since IDX/SUB files are images, you cannot edit the text directly. To edit them or use them in editors, you must convert them to a text format like using OCR (Optical Character Recognition) . The Ultimate Guide to IDX Subtitle Files: VobSub