Open Watchlist and choose Create backup. The text box contains a portable copy of supported saved choices and checkpoints. Copy the whole text into a private note before changing browsers or clearing site data.
Bring the copy back
In the other browser, open MoviesJoys Watchlist, paste the complete backup into Restore backup and choose Merge backup. Read the result message. Existing checkpoints in that browser remain in place; the merge does not silently overwrite them.
If an entry is skipped
The tool checks whether title references and episode values are usable. A damaged backup, an unknown title or an invalid episode cannot be restored just because it appears in the pasted text. Keep the original copy intact rather than editing fragments at random.
What is not included?
The backup is not a video file, a viewing-service login or a synchronized account. It does not transfer another player's progress. It carries the MoviesJoys choices you deliberately saved.