How to convert SUP to IDX
Converting a .SUP file to .IDX lets you open the content in software that prefers the .IDX format, though some details may change compared with the original. We are still putting together the list of programs that handle .SUP files.
A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.
About these formats
.SUP
Blu-ray PGS Presentation Graphics Subtitle
A SUP file is a Blu-ray PGS subtitle track - subtitles stored as bitmap images, not readable text. To watch them, load the .sup in VLC alongside the video. To get editable text, open it in…
Open .SUP details →
.IDX
Index File (generic application/database index)
An IDX file is an auxiliary index a program creates to search its data quickly. It holds offsets or keys pointing into a separate data file, not content of its own. Open it with the…
Open .IDX details →
