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More speed, more clarity, more sales.
The STM Smart One Page Checkout Extension is designed for online stores that want to convert visitors into paying customers. It reduces friction in the ordering process, provides clear navigation, and offers a modern look on desktops, tablets, and smartphones. This is exactly what a modern checkout should look like.
The most important advantages at a glance
Complete checkout on just one page
No more switching pages; all important steps remain in view at all times.
Fewer clicks to complete your order
Your ordering process will be shorter, more direct, and significantly more pleasant.
Clear structure in the checkout process
Address, shipping, payment and order verification are immediately visible.
Optimized display on all devices
Clean design for desktop, tablet and smartphone, responsively designed.
Four selectable layouts
The checkout process adapts to your shop design and target audience.
Translation base for 11 markets
Ideal for international Magento shops with multiple store views.
Easy installation via Composer
No core changes required, cleanly integrated and update-friendly.
Compatible with common payment providers
Mollie, Stripe, Paypal, Payone, Ayden, unzer, amazon Pay and Klarna are supported.
And yes, that's exactly the point many online shop owners agree with. Because often the problem isn't the product itself, but the final step before clicking "Buy Now." If your checkout process seems cumbersome, some users will simply abandon it. Not out of malice, but rather out of impatience. Everything happens quickly online. So your checkout needs to keep up.
The STM Smart One Page Checkout Extension ensures that the ordering process feels effortless. Not cluttered, not confusing, not technically cumbersome. Instead, it's logical, elegant, and designed so that users simply want to continue. And that's precisely what drives sales. A checkout that feels pleasant lowers barriers and increases the chance of a sale. Period.
Do you want to upgrade your Magento checkout directly?
Then take a detailed look at the extension and check how it fits your shop, your theme, and your payment setup. Go to the product page
Why this one-page checkout performs so well in everyday use
Many Magento shops have built a strong frontend over the years. Product images look good, categories are clearly structured, and navigation works. But then comes the checkout, and suddenly everything feels sluggish. Multiple steps, unclear transitions, unnecessary clicks. It's about as charming as a shopping cart with a crooked wheel. You'll get there somehow, but it's not a pleasant experience.
With the STM Smart One Page Checkout Extension, the process is clearly structured. Customers immediately see where to enter their information, how to select shipping, which payment methods are available, and how their order is structured. This transparency is invaluable. Customers who know what comes next remain more relaxed. And those who see everything in one place are more likely to complete their purchase.
The combination of structure and speed is particularly powerful. The checkout process not only saves clicks, it also reduces mental hurdles. Users don't have to think about where to go. They simply go through the process. And in e-commerce, that's often the difference between a full shopping cart and a real order.
Suitable for Hyvä, Luma and other popular themes
- Hyvä Theme compatible, ideal for modern Magento shops with a focus on performance and streamlined frontends.
- Luma Theme compatible, perfect for shops that continue to use the Magento standard professionally.
- Other popular themes such as Porto compatible, so you don't have to completely redesign your shop.
This is a huge advantage for agencies, developers, and shop owners. Nobody wants to completely dismantle their theme concept just to improve the checkout process. That's precisely why compatibility is so important. The extension integrates seamlessly and doesn't turn your existing shop into a construction site with 37 open tabs. It delivers clear added value without creating unnecessary technical clutter.
These payment providers participate directly.
A modern checkout must be compatible with the payment methods already established in the shop. After all, the most beautiful checkout interface is useless if your payment setup is unreliable. That's precisely why the STM Smart One Page Checkout Extension supports the most common payment providers.
- Mollie for flexible payment methods in a central solution.
- Stripe for modern credit card processing and international payment.
- Paypal as a familiar payment option with high acceptance in everyday life.
- Payone for a wide range of payment methods in professional Magento environments.
- Ayden for high-performance setups in the premium e-commerce environment.
- our as a strong solution for the German-speaking market.
- amazonpay For fast orders with a known account.
- Klarna for high-buying options such as on account or flexible payment models.
Trust is crucial, especially at checkout. When users immediately see their preferred payment method and the process is clear and professional, the bounce rate often drops noticeably. The combination of a clean presentation and trusted payment providers makes all the difference. Checkout becomes not an obstacle, but a sales driver.
What your shop specifically benefits from this
You shorten the ordering process, reduce friction, keep important information visible, and present your payment methods in a much more organized way. This strengthens trust, improves the user experience, and can directly contribute to converting more shopping carts into actual sales.
Four layouts to ensure your checkout is visually appealing.
Not every shop looks the same. Not every target group responds to the same presentation. That's precisely why the extension offers four selectable layouts. This might sound like a technical detail, but it's actually a real conversion factor. Because a checkout should adapt to your shop, not the other way around.
Two Column
The classic layout with a form and order overview in a clear two-part format. Ideal for shops that value structure and familiar user guidance.
Two Column Reverse
The mirrored version is ideal for shops that want to make the shopping cart even more prominent. Especially useful for higher order values.
One column
Everything is organized, compact, and focused. This is often a powerful solution for mobile use or fast ordering processes.
Ultra compact
Modern, spacious, and visually striking. This layout has a particularly high-quality feel and is a perfect fit for design-oriented shops.
You see, it's not just about function, it's also about impact. A checkout process should definitely look good. Users notice whether a shop maintains a professional appearance in the final steps or whether it suddenly looks like an outdated form.
Designed for international shops and multiple store views
The included translation base for 11 markets makes the extension attractive for internationally oriented Magento projects. This saves setup time and ensures that the checkout is much more versatile from the outset. Anyone managing multiple store views knows exactly how convenient it is when every text element doesn't have to be built from scratch.
This is a real advantage, especially for growing shops. The solution is not only interesting for initial implementation, but also for shops that are already thinking bigger and targeting multiple markets.
Technically well integrated, without unnecessary stress
Installation via Composer is a key point because it demonstrates that the extension integrates seamlessly into professional Magento workflows. No core modifications are required, no complicated rebuilds are necessary, and there's no risk of unwanted changes. Instead, you get an update-friendly integration that blends smoothly into existing projects.
- Clean installation via Composer, suitable for structured development processes.
- No core changes requiredThis ensures your Magento setup remains maintainable.
- Theme compatibility for Hyvä, Luma and other common setups.
- Strong in everyday agency life, because the solution can be seamlessly integrated into existing shops.
For developers, this is convenient. For shop owners, it's reassuring. For agencies, it makes economic sense. And for everyone involved, it's the kind of technical solution that's easy to sell because it doesn't cause any problems in everyday use.
Why this checkout process is more effective at driving sales than the standard process
A high-performing checkout process isn't a matter of chance. It happens when users aren't slowed down, when the ordering path is logical, when important information remains visible, when payment methods are clearly presented, and when the entire process works just as well on mobile devices as on a desktop computer. The STM Smart One Page Checkout Extension brings all these elements together.
The beauty of it is that the improvement is immediately visible. The ordering process feels more modern, faster, and more organized. Users have less reason to hesitate, less reason to wait, and less reason to abandon the shop just before reaching their goal. And let's be honest, those last few meters are the most valuable in the entire funnel.
So if you want to get more out of your Magento shop without completely reinventing the frontend, then this extension is an incredibly useful tool. It focuses precisely on the area where interest translates into sales.
Turn your checkout process into a selling point.
Get the STM Smart One Page Checkout Extension now and bring your Magento 2 order process to a page that truly sells. View product page and extension
Your next step
If you run a Magento 2 shop and your checkout process still involves unnecessarily many steps, page changes, or friction, then you should take a closer look at this solution. It combines technical cleanliness with real conversion potential. That's exactly what makes a good extension: it looks good, feels good, and helps you process more orders smoothly.
And if you're wondering whether a better checkout process really makes a noticeable difference, the honest answer is: usually yes. Because the checkout isn't a minor detail. It's the cashier area of your shop. And nobody wants to stand at a checkout that's slow, unclear, or unnecessarily complicated.
Tip for your post on Blog Or on a product page: You can further refine this text and specifically invite feedback below, for example, by asking which payment providers your shop currently uses or which theme you're using. This increases the chance of comments and specific questions.
My sister and I run an online shop for handmade ceramics, and we're absolutely thrilled with it. The checkout process was always our biggest weakness. We even mentioned it in our newsletter because we were so happy about it.
The great thing is: you can tell someone put thought into it. The structure is logical, nothing feels cluttered. Enter address, Shipping Choose, pay, done. No unnecessary frills to confuse you.
What also helped us was the article about Conversion Rate OptimizationThe checkout is a key lever, and this extension addresses exactly the right issue.
In short: Installed, configured, conversions increased. That's all there is to it. We use Mollie and PayPal, and both are running smoothly. Great extension.
Finally, a checkout that doesn't look like it's from 2015! The ultra-compact layout is exactly what our premium fashion shop needed. Modern, spacious, and high-quality. Our customers reacted positively right away.
Stripe works perfectly, as does Klarna. And what many underestimate: Choosing the right payment provider It makes a huge difference. After the comparison, we also added Unzer and immediately saw more conversions from German customers.
Hmm, it generally works, but we initially had a minor issue with address validation in combination with our ERP system. After a brief exchange with support, however, this was quickly resolved. Now everything is running smoothly. Nevertheless, more detailed documentation on such edge cases would be helpful.
I work as a freelancer in e-commerce and have now used the extension on three different client projects. It worked perfectly every time, regardless of whether it was the Hyvä, Luma, or Porto theme. This saves me, as a developer, an enormous amount of time and frustration.
What I particularly like: The translation base for 11 markets. One of my clients runs a shop with store views for Germany, Austria, Switzerland, the Netherlands, and France. It was invaluable that the foundations were already in place.
For all those who are dealing with Internationalization and multilingual shops This extension makes the checkout process significantly easier. I highly recommend it!
We've been using the extension on our electronics shop for about two weeks now. Ayden as a payment provider is running smoothly, which hasn't always been the case with other extensions. The checkout loading time is also excellent, which is especially noticeable on mobile devices. My only suggestion: a few more customization options for the colors would be great. But overall, we're very satisfied, a solid 4 out of 5.
Question for the community: Does anyone have the Porto theme extension working? We're considering switching. We're currently using Luma, but Porto has been appealing to us for a while. It would be great if someone could share their experience!
As the owner of a delicatessen online shop from Norderstedt, I would like to give detailed feedback here, because the extension has really helped me.
Our starting point was frustrating: We had a beautiful shop, great products, good reviews, but customers kept abandoning their purchases at checkout. It was a disaster, especially on mobile devices. Three steps, reloading every time, and if you accidentally pressed back on your phone, half your shopping cart would disappear.
With STM One Page Checkout, everything changed. Everything on one page, clear, and fast. We use the one-column layout because 70% of our customers order via mobile devices. It's a perfect fit.
What I was particularly pleased about: The compatibility with Amazon Pay. Many of our customers use it and it works perfectly. Our system for German payment methods also runs smoothly.
Concrete figures after four weeks:
– Conversion rate at checkout: increased from 48% to 67%
– Average order time: decreased from 4:20 min to 2:10 min
– Mobile conversion: increased from 31% to 58%
This isn't marketing fluff, these are our real backend figures. For anyone wondering, How to optimize your online shop checkout in a few stepsAnyone who wants to start should start here. This extension is a real game changer for any Magento shop.
Great! Finally, no more checkout chaos. Our customers are now ordering noticeably faster. Klarna and Mollie are working perfectly. 👍
We have a B2B shop on Magento 2 with Luma Theme. The extension was installed and configured in under an hour. The two-column layout fits our design perfectly. Shipping options and payment methods are now clearly displayed side by side. For anyone still deciding which shop system is right for them: Take a look at the Comparison of Magento vs. WooCommerce vs. Shopware For our needs, Magento was clearly the best choice, and with this checkout, even more so.
To be honest, I was skeptical. Another checkout extension claiming to do everything better. But we've now installed it on two client shops, and both times the bounce rate at checkout has significantly decreased. Payone is running smoothly, as is Klarna. I personally like the ultra-compact layout best; it looks very high-quality.
I run a small online shop for natural cosmetics here in Elmshorn and I'm really not a techie. But the difference between the old Magento checkout and this one-page checkout is like night and day. Before, customers even called me to ask if something was wrong with their order because there were so many steps. Now everything runs smoothly. Stripe and PayPal work perfectly. What also convinced me was this article about... Checkout abandonment and why customers leave their shopping cart It opened my eyes. That was exactly our problem. And that's exactly what this extension solves.
Quick feedback from a Magento developer: Clean installation, no core hacks, Composer-based. That's how it should be. The four layout options are a nice feature for client projects. Thumbs up.
Awesome, finally a checkout that fits Hyvä! We switched to Hyvä last year, and ever since, the checkout has always felt out of place in the shop. With the STM Extension, everything now feels seamless. Fast, clean, modern. For anyone wondering... What advantages does Hyvä offer for Magento 2?To that I can only say: In combination with this checkout, it's a real powerhouse. Our conversion rate increased by almost 12% in the first week. Incredible!
We've had the STM One Page Checkout on our system for three days now. Magento We have two shops running and I'm honestly impressed. Before, we had the standard three-step checkout, and people regularly abandoned us in the second step. Now everything is on one page: address, ShippingPayment, overview. Customers see immediately what's happening. We use Mollie as our payment provider, and the integration was completely seamless. No fiddling, no adjustments. Composer in, configured, and it works. What I'm particularly pleased about: The checkout looks really good on smartphones. Before, it was rather unusable on mobile devices, to be honest. Now people simply scroll through and order. Initial figures already show a noticeable improvement in conversion. I'm excited to see how this develops over the next few weeks!