Search for "Dune" and look for entries labeled WEBRip or SHITBOX .

Because this is a "WEBRip," you need a subtitle timed for a 23.976 fps (frame per second) source. Most subtitles tagged for "WEBRip" or "WEB-DL" will work across different groups (like SHITBOX, EVO, or RARBG) because they use the same digital source. Search these reputable databases:

If the text appears too early or too late, you can fix it in real-time using hotkeys in VLC:

Finding the exact subtitle file for a specific release like is straightforward if you know where to look and how to handle synchronization. 1. Where to Download the Subtitle

To speed up the subtitle (if the text appears after the actor speaks). 4. Important Tip for "Dune" (2021)

Use the standard English SRT if you want the entire movie transcribed.

This movie contains scenes with Fremen dialogue (Chakobsa language).