This tutorial explains how to add and remove new lines at the end of a file in IntelliJ IDEA.

Adding new line break at end of file on save in IntelliJ IDE

There are multiple ways we can do this.

  • Use Find Actions

    • Open Intelli IDEA

    • Select the text you want to select or Ctrl + A to the selected complete file.

    • Select the Help Menu + Find Actions or use the below shortcut commands.

      • Windows: hotkeys: Ctrl + Shift + A
      • Mac: shortcuts: ⌘ + Shift + `A

    • It opens the Find Actions Window popup and types Ensure every saved file ends with a line break in the search box and selects it as given below.

    • It opens Settings with the General tab and select

    • Check the Ensure every saved file ends with a line break box to add a line break to each file on save

  • Use Settings configuration

    • Open Intelli IDEA
    • Go to File -> Settings : Settings window opened
    • Select Editor -> General
    • Check or uncheck Ensure every saved file ends with a line break option

  • using editorconfig file EditorConfig is a configuration file that contains rules applied to all editors.

    Create .editorconfig in the root of the application

    add the insert_final_newline to the .editorconfig file and save it.

  insert_final_newline = true

insert_final_newline=true adds new after the file is saved, false indicates does not add a new line

This works in all popular IDE such as IntelliJ IDEA, VSCode, Atom, Eclipse, and Sublime.

Removing new line breaks or blank lines at end of the file on save in IntelliJ IDE

There are multiple ways we can do this.

  • Use Find Actions

    • Open Intelli IDEA

    • Select the text you want to select or Ctrl + A to the selected complete file.

    • Select the Help Menu + Find Actions or use the below shortcut commands.

      • Windows: hotkeys: Ctrl + Shift + A
      • Mac: shortcuts: ⌘ + Shift + `A

    • It opens the Find Actions Window popup and types Remove trailing blank lines at the end of saved file in the search box and selects it as given below.

    • It opens Settings with the General tab and select

    • Check the Remove trailing blank lines at the end of saved file box to remove trailing blank lines to each file on the save.

  • Use Settings configuration

    • Open Intelli IDEA
    • Go to File -> Settings : Settings window opened
    • Select Editor -> General
    • Check or uncheck Remove trailing blank lines at the end of saved file option
    • You can also select Remove trailing spaces on the dropdown that contains Modified Lines or All lines