: If you want to "burn" the subtitles into the video permanently for mobile devices, tools like Handbrake allow you to import the .srt file during the encoding process.
To ensure your subtitles line up with the version, you need a file that matches the frame rate (usually 23.976 fps) of the BluRay rip. You can search for .srt files on popular databases: subtitle The.Prince.of.Egypt.1998.720p.BluRay.x...
: Known for community-rated uploads that help you find the most "synced" version. : If you want to "burn" the subtitles