A Scalable Vector Graphics (SVG) file is produced for presenting vector graphics. SVG files are better than PNG and JPG files. This file is recommended for responsive web design.
How to Upload an SVG file as a Payment Icon
In your Shopify Admin, select Online Store.
Click on Actions to reveal the drop-down list.
Click on Edit Code.
Go to the Assets folder. Tap Add a new asset.
Click on Choose File and select your SVG file to upload.
Click on Upload asset to add the file.
The selected file will be added to the Assets folder.
Select your Debutify Shopify Theme (3.0.5 or later) and click on Customize.
Select Theme Settings.
Tap Advanced Settings.
Under the PAYMENT ICONS section, enter the exact name of the SVG file that you have added in the Custom icon field and click Save to apply changes.