How to change line width in IntelliJ (from 120 character)

intellij-idea

I was wondering how I can change the line length in IntelliJ.

Since I use a pretty high resolution, I get that line that shows 120 characters straight through the middle of the screen. Can I change it from 120 to, say, 250?

possible duplicate of Vertical column in Intellij Idea at arbitrary position

See the linked question : Preferences -> CodeStyle -> General -> Right margin

You should use that feature to improve the readability of your code. It's a good feature. I set mine to 80 characters.

Right, no need to worry about fellows with fHD who will possibly read your code in future

ROMANIA_engineer

IntelliJ IDEA 2018

File > Settings... > Editor > Code Style > Hard wrap at

https://i.stack.imgur.com/jMY9v.png

IntelliJ IDEA 2016 & 2017

File > Settings... > Editor > Code Style > Right margin (columns):

https://i.stack.imgur.com/1hw1e.png

https://i.stack.imgur.com/2zO2o.png

I would also add that, to enforce this value when formatting, you should activate Settings -> Editor -> Java/Groovy/JSON -> Wrapping and Braces -> Ensure right margin is not exceeded

IntelliJ IDEA 2016.2.1 Ultimate on Windows is the same.

I also like the "Wrap on typing" option. It does all the alignment for me.

It's now an option called "Hard wrap at" located in the same tab.

@EduCastrillon Too bad not all of the available languages support this feature. For example, SQL dialects seems to be missing it.

jcklie

You can alter the "Right margin" attribute in the preferences, which can be found via

File | Settings | Project Settings | Code Style - General

Right Margin (columns) In this text box, specify the number of columns to be used to display pages in the editor.

Source: Jetbrains

Andrzej Rehmann

It seems like Jetbrains made some renaming and moved settings around so the accepted answer is no longer 100% valid anymore.

Intellij 2018.3:

hard wrap - idea will automatically wrap the line as you type, this is not what the OP was asking for

visual guide - just a vertical line indicating a characters limit, default is 120

If you just want to change the visual guide from the default 120 to lets say 80 in my example:

https://i.stack.imgur.com/LODn6.png

Also you can change the color or the visual guide by clicking on the Foreground:

https://i.stack.imgur.com/FUmPU.png

Lastly, you can also set the visual guide for all file types (unless specified) here:

https://i.stack.imgur.com/45hqD.png

cck

Be aware that need to change both location:

File > Settings... > Editor > Code Style > "Hard Wrap at"

and

File > Settings... > Editor > Code Style > (your language) > Wrapping and Braces > Hard wrap at

Marcin T.P. Łuczyński

It may be useful to notice that very good answers given above may not be enough. It is because of one more tick is required here:

https://i.stack.imgur.com/h2thW.png

Thats what I was looking for, Did not understand whats Hard Wrap there then. Just say page size

Doesn't seem to be there anymore in 2019.

Jelle den Burger

I didn't understand why my this didn't work but I found out that this setting is now also under the programming language itself at:

'Editor' | 'Code Style' | < your language > | 'Wrapping and Braces' | 'Right margin (columns)'

mehov

Open .editorconfig in the root of your project (or create one if you don't have any) and add:

max_line_length = 80

The IDE should pick it up immediately (works in phpStorm, developed by the same company). As a bonus, it can be committed to GIT and will stay consistent across different editors you may be using in the future. More info on .editorconfig.

How to change line width in IntelliJ (from 120 character)

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