Opencart free Google base feed module for the creation of an XML product data feed in the RSS 2.0 format to submit to Google Merchant Center.
Click the above button to download the Google Base feed module, the file downloaded is webocreationfeeds.ocmod.zip. Now go to the Opencart admin >> Extensions >> Installer >> Then upload the file webocreationfeeds.ocmod.zip

Once it is uploaded and installed. Go to Extensions >> Extensions and filter out to feed.

Click the install button and then click the edit button.
Now click here to download the Google product category text file. You can find it here: https://support.google.com/merchants/answer/6324436?hl=en&visit_id=638313777926954143-2283884251&rd=1

Once you download the text file, and then upload it to the Google Base settings page.

Once the Google category is uploaded, select the store category and Google category and map it out, then click the add button. You will get a list that is mapped to your store category with the Google product category. Then select Enabled and click Save.
Now go to the URL below
https://YOURURL/opencart/index.php?route=extension/webocreationfeeds/feed/google_base
The output of the above with feed reader is like the below:

Then, it will show XML something like below:
Webocreation Store My Store http://localhost/opencart/ http://localhost/opencart/index.php?route=product/product&product_id=30new 30 http://localhost/opencart/image/cache/catalog/demo/canon_eos_5d_1-500x500.jpg Product 3 false 98 141 7 0.00kg http://localhost/opencart/index.php?route=product/product&product_id=31new 31 http://localhost/opencart/image/cache/catalog/demo/nikon_d300_1-500x500.jpg Product 4 false 98 141 1000 0.00kg http://localhost/opencart/index.php?route=product/product&product_id=42new 42 http://localhost/opencart/image/cache/catalog/demo/apple_cinema_30-500x500.jpg Product 15 false 110 325 Monitors]]> 990 12.50kg http://localhost/opencart/index.php?route=product/product&product_id=47new 47 http://localhost/opencart/image/cache/catalog/demo/hp_1-500x500.jpg Product 21 false 122 325 1000 1.00kg http://localhost/opencart/index.php?route=product/product&product_id=28new 28 http://localhost/opencart/image/cache/catalog/demo/htc_touch_hd_1-500x500.jpg Product 1 false 122 325 939 146.40g http://localhost/opencart/index.php?route=product/product&product_id=40new 40 http://localhost/opencart/image/cache/catalog/demo/iphone_1-500x500.jpg product 11 false 123.2 325 970 10.00kg http://localhost/opencart/index.php?route=product/product&product_id=48new 48 http://localhost/opencart/image/cache/catalog/demo/ipod_classic_1-500x500.jpg product 20 false 122 325 995 1.00kg http://localhost/opencart/index.php?route=product/product&product_id=43new 43 http://localhost/opencart/image/cache/catalog/demo/macbook_1-500x500.jpg Product 16 false 602 325 929 0.00kg http://localhost/opencart/index.php?route=product/product&product_id=44new 44 http://localhost/opencart/image/cache/catalog/demo/macbook_air_1-500x500.jpg Product 17 false 1202 325 1000 0.00kg http://localhost/opencart/index.php?route=product/product&product_id=29new 29 http://localhost/opencart/image/cache/catalog/demo/palm_treo_pro_1-500x500.jpg Product 2 false 337.99 325 999 133.00g http://localhost/opencart/index.php?route=product/product&product_id=35new 35 Product 8 false 122 325 1000 5.00kg http://localhost/opencart/index.php?route=product/product&product_id=33new 33 http://localhost/opencart/image/cache/catalog/demo/samsung_syncmaster_941bw-500x500.jpg Product 6 false 242 325 Monitors]]> 1000 5.00kg http://localhost/opencart/index.php?route=product/product&product_id=46new 46 http://localhost/opencart/image/cache/catalog/demo/sony_vaio_1-500x500.jpg Product 19 false 1202 325 1000 0.00kg
In this way, you can install and set up the Google base feed module for Opencart 4. Please let us know if you have any kind of projects, you can email us at webocreation.com@gmail.com. Hope you liked this free opencart module, please subscribe to our YouTube Channel and get more Opencart free extensions. You can also find us on Twitter and Facebook.