[GNC] How Do I Increase Font Size

Jerry Criswell (JC) jcriswell58 at gmail.com
Wed Jan 7 17:22:52 EST 2026 

You did it!  I have the Cinnamon desktop and I had forgotten about that 
font setting.  Don't get old.  The CRS only gets worse.  Thank you so 
much and I apologize profusely.

JC


On 1/7/26 3:19 PM, Doug via gnucash-user wrote:
> Hi, fellow Linux user (PCLinuxOS here: Love it!)
> First, enable view of hidden files in file browser ie the .xxx files.
>   Then there are 2 ways to sort this: Globally for everything: in which case
> you can change the global desktop fonts (I use Mate, & font is changed by
> System Preferences>Appearance>Fonts, then set as desired. Other
> Desktop managers are handled in a similar way.
>   If you only wish to change font in Gnucash: You can follow the instructions in the Gnucash Wiki:
> (extract)
> Via settings.ini
> Create if necessary and add the following line to GTK_CONFIG_HOME/settings.ini:
>
> [Settings]
> gtk-font-name=Arial 14
> (end)
> in my case the file was in (HOME)/.config/gtk-3.0/settings.ini
> nb: I use Midnight Commander to look & edit these types of jobs. I actually used font size 16.
> Gnucash recently changed to gtk 3.0, & you will need to look for the config file.
>   I found all this info by Googling, so I feel it is important to try a bit of Googling first!
>   It seems the Linux community is a bit behind updating the tools to change screen Scaling particularly
> with huge high definition displays. It will happen but until then one needs to adapt.
>   Please! Don´t give up! There are people here to help, but also one needs to help themselves (Google is yr friend too).
> The developers of Gnucash, & Linux developers generally are fantastic! Please do not go back to the dark side (TIC)!
>
> On Wed, 7 Jan 2026 10:55:04 -0600
> "Jerry Criswell (JC)"<jcriswell58 at gmail.com> wrote:
>
>> Sorry.  I've used Linux Mint for so long I forget to mention it
>> sometimes.  I have been unable to change the font size even though I
>> messed with it for over an hour.  I'm going to go ahead and start
>> GnuCash as of the first of the year, but there is a 75% chance I won't
>> continue with it due to the font problem.  Nobody wants to climb up on
>> the desk to read a monitor.
>>
>> JC
>>
>>
>> On 1/7/26 6:43 AM, Joseph St. Denis wrote:
>>> I have windows 11 and just used the global command to increase the
>>> size of the display on all of programs that I use. You just have to
>>> display settings and increase the size. I selected 125 % 150% was to
>>> big for the existing column for the date. You go to display and change
>>> the display settings open gnucash and any other programs you use to
>>> see if you are happy with the results. If other people use your
>>> computer then they can change the settings to suit them.
>>>
>>> All the best
>>>
>>> Joseph St Denis
>>>
>>> Yahoo Mail: Search, Organize, Conquer
>>> <https://mail.onelink.me/107872968?pid=nativeplacement&c=US_Acquisition_YMktg_315_SearchOrgConquer_EmailSignature&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002039&af_sub5=C01_Email_Static_&af_ios_store_cpp=0c38e4b0-a27e-40f9-a211-f4e2de32ab91&af_android_url=https://play.google.com/store/apps/details?id=com.yahoo.mobile.client.android.mail&listing=search_organize_conquer>
>>>
>>>      On Wed, Jan 7, 2026 at 4:11 AM, Tom Route36
>>>      <tom.route36 at gmail.com> wrote:
>>>      Hi Jerry,
>>>
>>>      You didn't say what operating system you have; but I'll assume it's
>>>      probably Windows.  (Let me know if that's not right.)  So assuming
>>>      Windows, here's what I think should work for you.
>>>
>>>      1.  Exit and close GnuCash.
>>>      2.  Open Windows File Explorer.
>>>      3.  At the top center of the File Explorer window, backspace over
>>>      whatever is currently there to erase it.
>>>      4.  In that same erased space, type in the following:
>>>      %APPDATA%\GnuCash
>>>      5.  That should open the proper folder location with sub-folders
>>>      named:
>>>      books, checks, translog.
>>>
>>>      IMPORTANT:  If you don't see those sub-folders, STOP; since you're
>>>      probably in the wrong location.
>>>      But assuming you do see those folders, continue on.
>>>
>>>      6.  In that folder location (%APPDATA%\GnuCash), look for a file
>>>      named:
>>>      gtk-3.0.css
>>>      7a.  If you see that file there, you'll need to edit it.
>>>      7b.  If you don't see that file there, you'll need to create it.
>>>      8.  Whether you edit it or create it, gtk-3.0.css is or will be a
>>>      plain
>>>      text file.
>>>      9.  The text that you need to have in that file is as follows (as
>>>      shown
>>>      here in the following 3 lines):
>>>      * {
>>>        font: 14pt arial, sans-serif;
>>>      }
>>>      10.  Once you've edited or created that file with the above 3
>>>      lines in
>>>      it, save the file.
>>>      11.  Make sure the saved file has the name "gtk-3.0.css", and that
>>>      there's no added .txt after .css.
>>>      12.  Once that's done, go ahead and re-open GnuCash.
>>>      13.  You should now hopefully see that the GnuCash font size is
>>>      larger.
>>>
>>>      NOTE:  If the font size is larger but still isn't large enough,
>>>      you can
>>>      make it even larger.
>>>      Go thru the same procedure again.  But in step 9, change the font
>>>      size
>>>      to a larger number.
>>>      For example, change "14pt" to "16pt".  I guarantee that will be
>>>      pretty
>>>      large even for older eyes.
>>>
>>>      Let me know if this procedure works for you, or if you run into any
>>>      problems.
>>>
>>>      Tom
>>>
>>>
>>>
>>>      On 1/5/2026 4:53 PM, Jerry Criswell (JC) wrote:
>>>      > How do I increase font size in all of GnuCash? When you're 86
>>>      yrs old
>>>      > you need all the help you can get.
>>>      >
>>>      > JC
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