The IDX file format is used by a number of DVD playing programs.
The IDX file is used to display subtitles within a movie or program. It contains all of the text needed for the subtitle, along with information on timing and other cues, so it can use the text in the right place.
.idx File Extension
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What are idx files & how to open them - Movie Subtitle File
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idx file - Software that can open idx files
Select a software from the list below if you want to open, edit, create, convert, play, use or view idx file. The software are listed by popularity and relevance to idx file type
CyberLink PowerDVD 22.0.1716.62
A multimedia software program designed to play media files.
VLC Media Player 3.0.18
Ultra-compatible media player ideal for nearly all file formats.
KMPlayer 2022.5.26.12
Technical media player with included audio syncing and subtitle recognition.