Auto-indent in Notepad++

Notepad++IndentationCode Formatting

Notepad++ Problem Overview

We always write code like this formal:

void main(){
  if(){
    if()
    }

Alt text

But when I use Notepad++, the display is:

void main(){
if(){
if()
}

Alt text

How do I use Notepad++ to auto indent?

Thanks to Jonathan, I have set it, but it does not take any effect. The snapshot is below:

Alt text

I am using Notepad++ version 5.1.3.

Notepad++ Solutions

Solution 1 - Notepad++

Notepad++ will only auto-insert subsequent indents if you manually indent the first line in a block; otherwise you can re-indent your code after the fact using TextFX > TextFX Edit > Reindent C++ code.

Solution 2 - Notepad++

If the TextFX menu does not exist, you need to download & install the plugin. Plugins->Plugin Manager->Show Plugin Manager and then check the plugin TextFX Characters. Click 'install,' restart Notepad++.

In version Notepad++ v6.1.3, I resolve with: Plugin Manager->Show Plugin Manager** and then check the plugin "Indent By Fold"

Solution 3 - Notepad++

There seems to be an option for auto-format of XML at least. It can be found at TextFX -> TextFX HTML Tidy -> Tidy: reindent XML.

Solution 4 - Notepad++

Most developers of text editing programs misuse this name (auto-indent). The correct name is "maintain indentation". Auto-indent is what you actually want, but it is not implemented.

I would also like to see this feature in Notepad++.

Solution 5 - Notepad++

In the latest version (at least), you can find it through:

  • Settings (menu)
  • Preferences...
  • MISC (tab)
  • lower-left checkbox list
  • "Auto-indent" is the 2nd option in this group

[EDIT] Though, I don't think it's had the best implementation of Auto-indent. So, check to make sure you have version 5.1 -- auto-indent got an overhaul recently, so it auto-corrects your indenting.

Do also note that you're missing the block for the 2nd if:

void main(){
  if(){
    if() { }  # here
  }
}

Solution 6 - Notepad++

You can use 'Indent by fold' plugin. Install it from the plugin manager. It works fine for me.

Solution 7 - Notepad++

In the 6.6.8 version I installed the NppAutoIndent plugin from Plugins > Plugin Manager > Show Plugin Manager. Then I selected the Smart Indent option in Plugin > NppAutoIndent. Hope this helps.

Solution 8 - Notepad++

For those who use Notepad++ v6.8.1 and later, the auto-indent setting now is placed in menu Settings → Preferences → MISC. → Auto Indent.

Enter image description here

Solution 9 - Notepad++

For those who using version 7.8.5, the Auto-indent settings is now located at "Settings" -> "Preferences..." -> "Auto-Completion".

enter image description here

Solution 10 - Notepad++

A little update: You can skip the TextFX Plugin and just use Tidy2. Here you can configure your own formating-rules for different types of codes. Easy to install and remove within

Notepad++ > Plugins > Plugin Manager > Show Plugin Manager

and just search for Tidy2 and install it. Done.

Solution 11 - Notepad++

You can add "Text FX Character" plugin. Download it from https://sourceforge.net/projects/npp-plugins/files/TextFX/ and install it via

Plugins → Plugin Manager → Show Plugin Manager.

Then you will find a new "TextFX" menu:

Menu TextFX → TextFX Edit → Reindent C++ code

enter image description here

To add shortcut for Indentation.

Click on Settings → Shortcut Mapper... set the shortcut key you prefer. I prefer Ctrl + =.

Enter image description here

Solution 12 - Notepad++

Try the UniversalIndentGUI plugin for Notepad++. It re-indents code based on some parameters. It worked well for me.

Solution 13 - Notepad++

This may seem silly, but in the original question, Turion was editing a plain text file. Make sure you choose the correct language from the Language menu

Solution 14 - Notepad++

Install Tidy2 plugin. I have Notepad++ v6.2.2, and Tidy2 works fine so far.

Solution 15 - Notepad++

First download plugin manager this link then unzip the zip folder and copy this inside your program/ notepad++ folder . then restart your notepad++. then you see plugin manager inside plugin menu . then click plugin manager then click show plugin manager . It shows all your plugin list . from the list in bottom find XML tools , checked it and install it. then restart your notepad++. After open a document then plugins/xml tools/pretty plain(indent text) then enjoy.

Solution 16 - Notepad++

Try to save the file before, then it will indent.

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