To remove spaces and new lines in Notepad++, you need to use the Replace prompt. For that, go to Search and select the Replace option. Next, enter [\r\n\s]{number-of-space,} in the Find what box.

Notepad++ version 8.7.2 has just been released. One important new feature is the Pin Tab feature option, which works a lot like pinned tabs in most web browsers. The Pin Tab feature brings tabs to ...

If you wish to hide line numbers in Notepad++, remove the checkmark from this box instead. When ready, click on the Close button to save the changes.