I'm unable to change/resize the logo from Magento admin after installing a custom theme. I was finally able to change the logo by putting the .jpg file in pub/media/logo/, but facing issues in resizing the logo(175px * 45p*). I changed/added logo dimensions in /app/design/frontend///layout/default.xml but even that is not working.

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
        <referenceBlock name="logo">
                <argument name="logo_file" xsi:type="string">images/logo.png</argument>
                <argument name="logo_img_width" xsi:type="number">417</argument>
                <argument name="logo_img_height" xsi:type="number">195</argument>

Also I'm not able to disable demo store notice from magento admin.

Any workaround for this?

1 Answer 1


You can change/resize the logo by using admin panel. Go to

Content->configuration->click on edit button on your theme ->Under header upload the required logo ->Put required width and length in logo attribute width and logo attribute length respectively.

Save the Settings and clean cache!

  • I'm trying this from a long time but not working. Aug 22, 2019 at 12:05

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