Hidden Shipping Adjustments

Hidden Shipping Adjustments

Current Version: v303.1 (release notes)

OpenCart Versions: 1.5.2.x - 3.0.3.x

Full Resolution Images: Available at the OpenCart forums

This extension allows you to adjust your shipping costs for USPS, FedEx, UPS, or any other shipping method, without your customer knowing. Use it to change the cart weight before shipping calculations occur, and/or modify the shipping amount charged to the customer.

  • Upload and go — utilizes ocMod so no core file modifications are necessary.

  • Change the weight used for shipping calculations, individually for each shipping method.

  • Increase or decrease the calculated shipping cost, individually for each shipping method, and optionally for each shipping rate within a method.

  • Adjust the weight and costs by flat value or percentage, and set minimum or maximum limits for the results.

  • All adjustments are hidden from the customer, so no line items are added to the order.

For more powerful rules when setting up adjustments, take a look at:


  • Developed by OpenCart Partner
  • 12 Months Free Support
  • Documentation Included


1.5.4,,, 1.5.6,,,,,,,,,,,,,,,,,,,,,,,,,,,

Last Update
1 Feb 2023

19 Apr 2013
76 Sales
Clear Thinking
Clear Thinking
Member since: 23 Apr 2010

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