Add alternative (alt) text to product images in Shopify.
1. From your Shopify admin, go to Products.
2. Select the product that you want to edit.
3. On the product details page, click on the product media item.
4. You will see the Preview media page.
5. Click on Add alt text.
6. Enter alt text, and then click Save alt text.
7. Click on X to exit the page.
If you get any trouble, please leave your queries in the comment box.
Thank you! have a great day.