Magento Platform
Open Source (CE)
1.3, 1.4,, 1.4.2, 1.5, 1.6, 1.6.1,, 1.7, 1.8, 1.8.1, 1.9, 1.9.1, 1.9.2, 1.9.3
Commerce using on prem (EE)
1.10, 1.11, 1.11.1, 1.12, 1.13, 1.13.1, 1.14, 1.14.1, 1.14.2, 1.14.3,,,,,,,

Tech Specifications

Current Version:
Stable Build
26 November, 2018
Extensions, Payments & Security, Checkout Enhancements
License Type:


The ORIGINAL OneStepCheckout extension that boosts your conversion rate by reducing your cart abandonment.

Other Extensions by One Step Checkout AS


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The ORIGINAL OneStepCheckout is one of the most popular extension for Magento with over 20,000 merchants trusting us since 2010, plus 200+ resellers and partners recommending our product to their clients. We are proven, well renowned and a safe choice.

What makes us unique is that we are the only company focusing on one single extension: the Original OneStepCheckout. We don't spread our resources on any other extensions. OneStepCheckout is our core business and we work exclusively with checkout and conversion for Magento to always bring you the best possible checkout product i.e. well coded, thoroughly tested, catering for our customers needs and their local specificities.

If you are reading this it’s because you get the importance of checkout for your business and that one should never compromise with that extremely critical process.

Play with our responsive demo.

OneStepCheckout is all about reducing cart abandonment and increasing conversion

As we all know, the current cart abandonment rate is around 70% globally. The key actionable levers to address cart abandonment is poor checkout conversion. "35% average conversion rate increase can be achieved with better checkout design" according to the Baymard Institute. Read more about Checkout Conversion here.

Our product simplifies the 6 native Magento checkout steps into one user-friendly page. Our checkout is fully responsive and is very easy for merchants to install and customize the way they want, taking into account the various market specificities.

Founded in 2010, we've been working exclusively with checkout and conversion. Our deep expertise and rich experience allows us to stay on top of the game at all times. That’s why over 200+ partners and 20,000 merchants globally are trusting us including household names such as Guinness, Everlast, Lindt, Benetton, Villeroy & Boch, Alfa Romeo, OPI as well as smaller family owned stores.


The Checkout Experts

OneStepCheckout is a rock-solid, well documented, thoroughly tested extension and we provide support if you run into issues. We’ve been around since the early days of Magento and have always been laser focused on checkout for Magento. 100% of our resources is dedicated to this one extension. That’s how we have been successfully supporting 20,000+ merchants over the years catering to each of their needs, special set-up and regional requirements. Click on the Review tab to see what they say about our product and our legendary support team!
OneStepCheckout aims at reducing your customer abandonment and therefore increasing conversion. Our product combines all six Magento steps into one with prices and totals dynamically updating via Ajax. Shoppers simply fill in their addresses and choose delivery/payment methods on the same page, rather than having to go through a separate step for each. Never before has checkout been easier and faster. 


Compatible out-of-the-box with 9 out of 10 third party services

With 20,000 customers, across 40 countries and all industry verticals, imagine how many compatibility issues our technical team has been solving.

That's over 40,000 hours solely dedicated to support and development of our OneStepCheckout product by the same developers since launch in 2010, so you can be sure that our product is compatible with all your preferred shipping/payment providers as well as other useful extensions managing loyalty, store credits etc...

In fact, as OneStepCheckout has become so mainstream that we find that other extensions and providers are the one reaching out to us to make sure they are compatible with us. In the unlikely event our extension is not compatible straight away, we will work with the third party to fix that for you, free of charge.


Reap the rewards of your marketing efforts

We know how much effort you put in driving traffic to your store. Don’t let that go to waste. Maximise your conversion and return visits. Installing OneStepCheckout is the single most effective technical change you can make to reduce shopping cart abandonment. Improving the checkout process results in more customers completing their sales, more customers coming back, and this has an immediate impact on your bottom line.

Demo and screencasts

Because pictures and videos paint a thousand words, here are engaging quick and easy ways to understand what we do for Magento merchants and their customers.


Key Product Features

OneStepCheckout has added features over the years based on our experience on the market and feedback from thousands of Magento merchants. We are obsessed about removing friction for shoppers and make it flexible and easy to customize for merchants. Our extension includes but is not limited to the features listed below. 

We also release frequent product updates to keep up with the rapid evolution of the Magento ecosystem including compatibility with the latest security patches.


General UX Features:

  • Fully responsive checkout for all devices

  • Checkout on a single page above the fold

  • Auto-detect users country with GeoIP technology

  • Auto-complete addresses with Google Places

  • Auto-update prices and totals when choosing shipping/payment method

  • Full support for registration (creating new account, logging in, read more details on our blog)


Field Management: 

  • Disable fields unnecessary fields like fax, company, telephone, region, city, zip and more

  • Separate house number from street address

  • Choose the order the address fields appear

  • Allow gift messages for the order

  • Built-in delivery date feature with date picker (calendar) and instructions field


Review and Cart:

  • Redirect customer to checkout immediately after product to cart

  • Have customers double-check their order with a "Review your order" popup

  • Possibility to change quantities of products ordered directly in the checkout

  • Enables "How did you hear about us" to obtain referrer information

  • Display additional products for customer in checkout, like "Rush fee" and "Gift wrap"

  • Allow customer to enter a coupon code directly in the checkout page

  • Enable checkbox for newsletter subscription,  terms and conditions

  • Allow customer to enter a comment for the order


Shipping and Payment:

  • Set a default shipping/payment method

  • Auto-update available shipping rates when user chooses country, zip code or region

  • Auto-update available payment methods when user chooses shipping method

  • Possibility to hide shipping method option if only one available

  • Compatible out of-the-box with 99% of extensions that follow Magento API for shipment and payment functionality



  • Easy installation

  • PSD of all graphical elements for easily customization to your language

  • Multiple registration scenarios including auto-registration

  • Advanced support for Google Analytics features

  • Completely refactored CSS for simpler customizations


We offer two editions of our checkout module for Magento 1: Community and Enterprise.

  1. OneStepCheckout Community Edition supports all the versions of Magento Community edition. This license includes 12 months free Support and Upgrades.

  2. OneStepCheckout Enterprise Edition supports all the versions of Magento Enterprise edition i.e. additional features such as loyalty points, credits, gift registry etc... This license includes 12 months free Support and Upgrades.

Please note that OneStepCheckout for Magento 2 is also now available!


Support and Update Plan

12 months of Support and Update Plan are INCLUDED with your purchase through Magento Marketplace (value: $147).

Checkout is the most critical part of your online business. Since 2010 we have been servicing thousands of Magento stores with that in mind. The quality of our customer service is what built our reputation in the Magento Ecosystem.

With OneStepCheckout Support and Update Plan (SUP), you are in safe hands as you will get the best people to help you develop and maintain the checkout that you want through the rapid evolution of the market and ecosystem. We constantly release new versions to make sure our checkout works perfectly with the latest Magento patches and versions as well as that of and key payment, shipping provider and other third parties that integrates with your checkout.

Our SUP includes updates, patches, bug fixes and email support on an ongoing basis.

As our customers put it: 

"When you sell high quality shoes you can't afford to have an outdated checkout. With OneStepCheckout Support and Update Plan we know that our checkout will always provide the user experience that aligns with our brand." Jake Boyle, eCommerce Manager at Shipton & Heneage

Read more about our Support and Update Plan.






Upon order please note: Orders are manually processed and will take 4-6 hours to process during Business Hours on European Timezone. We will also need to confirm your store's domain to issue you a license.

OneStepCheckout is located in Norway.

Release Notes

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  • Compatible with Open Source (CE) : 1.3 1.4 1.4.2 1.5 1.6 1.6.1 1.7 1.8 1.8.1 1.9 1.9.1 1.9.2 1.9.3
  • Compatible with Commerce using on prem (EE) : 1.10 1.11 1.11.1 1.12 1.13 1.13.1 1.14 1.14.1 1.14.2 1.14.3
  • Stability: Stable Build
  • Description:

    * Fix : product amount in cart gets incremented past inventory value
    * Fix : error thrown from One Step Checkout code when updating cart. Issue occurs only in certain Magento versions
    * Fix : changed handling of post code for countries where post code is optional
    * Fix: bug in collectTotals switches. Fixed.
    * Fix: improved how PayPal Hosted Pro modal looks like on mobile.
    * Fix: malfunction with changing item quantities, reported by customer, solved by code change, probably caused by SUPEE-9767v2
    * Fix: common css conflict with site themes, causes empty boxes in payment method section
    * Fix : under some conditions error is thrown when post code optional for certain countries.
    * Fix: shipping address template under certain conditions was not reacting correctly to System>Config>General>General>States options>Display not required State
    * FIX: payment method label not displayed correctly in rare cases. Fixed.


  • Compatible with Open Source (CE) : 1.3 1.4 1.4.2 1.5 1.6 1.6.1 1.7 1.8 1.8.1 1.9 1.9.1 1.9.2 1.9.3
  • Compatible with Commerce using on prem (EE) : 1.10 1.11 1.11.1 1.12 1.13 1.13.1 1.14 1.14.1 1.14.2 1.14.3
  • Stability: Stable Build
  • Description:

    Version 4.5.8 has fixed a few bugs to make our One Step Checkout product even more stable than before. It also supports the security patches released by Magento in 2017.
    Here are the changelogs: http://help.onestepcheckout.com/knowledge_base/topics/changelogs


  • Compatible with Open Source (CE) : 1.3 1.4 1.4.2 1.5 1.6 1.6.1 1.7 1.8 1.8.1 1.9 1.9.1 1.9.2 1.9.3
  • Stability: Stable Build
  • Description:

    Version 4.5.6 has fixed a few bugs to make our One Step Checkout product even more stable than before.


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The best place to start if you need help with a specific extension is to contact the developer. All Magento developers have both a contact email and a support email listed.

Q & A

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