There is no Joomla 4 version of Better Preview.
However you can use Better Frontend Link for Joomla 4.

Better Preview

Preview as it should be in Joomla!

Download Free
Buy Pro  29
Compatible with: Joomla 3

Preview the content item you are working on.

Clicking on the Preview button shows you a modal popup with the preview of the content item.

See what the content item will look like before saving or publishing it!

  • Preview your content
  • Quickly open the frontend URL from your admin edit screen
  • Copy SEF and non-SEF urls

Professional

29
per year

Pro features

  • All features available in the free version, plus:
  • Supports Zoo
  • Show Link Type
  • Extra URL Details

Free

0
Free, forever
Download Free

Features

  • Preview Button
  • Advanced View Site
  • Supports core components