High-Converting Popups for Your Website

Preset rules to avoid widget annoyance

2x boost in conversions on average

Intuitive & flexible drag-and-drop editor

700+ ready-to-use popup templates

No coding and design skills needed

Start for Free
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Free lifetime subscription plan with no credit card required
Annoyance Protection Guarantee
Brands that already successfully use Claspo
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Solutions for Any Business Goal

Collect Email Addresses Increase Sales Conversion Reduce Cart Abandonment Connect with Visitors

Collect Email Addresses

Claspo widgets can do an excellent job for your subscriber list growth. Opt-in form popups with images increase email sign-ups by 63%, and lead magnet popups boost sign-up rates by over 100%.

Subscribe to Newsletter

Offer Discounts

Collect Giveaway Entries

Offer Free Shipping

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Increase Sales Conversion

Use Claspo popups to immediately show website visitors your discounts, special offers, and promo codes, which can increase sales by up to 80%.

Promote special offers

Collect Pre-Orders

Provide welcome offers

Redirect to High Converting Pages

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Reduce Cart Abandonment

Don`t let visitors leave your site without making a purchase. Claspo allows you to add value and urgency to your last-minute offer and improve your average conversion rate by up to 112%!

Gifts or Free Shipping

Prevent Exit-Intent

Offer Product Demo

Use Countdown Timer

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Connect with Visitors

With Claspo widgets, you can easily stay in touch and receive feedback in various ways. The opportunity to be heard increases brand loyalty among 77% of customers.

Conduct a survey

Request Call Back

Set Contact Button

Promote Socials

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Came up with Some Great Popup Ideas?

Make them happen now! With Claspo`s free subscription plan, you can access all the builder`s functionality.


Start with the free plan, and upgrade as your business grows.

  • 30,000 pageviews available
  • 3 active widgets on the website
  • No credit card required
No time restrictions

It is not a free trial but a lifetime free subscription plan. Therefore, you can use it as long as it fits your website strategy.

700+ ready-made templates

There are no time limits to using your FREE subscription plan so you can use it as long as it fits your needs.

Hassle-free script installation

You can embed widgets on your website simply by copying their scripts and pasting them following one of our step-by-step guides.

Comprehensive support

You can always contact our customer success team for any issues or questions. We will help you make the most of Claspo from the first days.

700+ Free Popup Templates

Collect Leads Increase Sales Promote Special Offer Connect with Visitors Seasonal Widgets Custom widget
Need help creating a template?

Our designer will help you. Just fill out the brief and we will contact you.

Order a Custom Widget

Extensive Claspo Integrations

Claspo popup builder easily integrates with the most popular CDP, CRM, and ESP systems, ensuring data synchronization and allowing you to optimize the customer journey on your website.

and more than 20+ tools to integrate
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What Our Clients Say About Us

Serhii Doroshenko

Retention Team Lead MAUDAU

We seamlessly plugged in Claspo to our site without developers involved. Now, our marketing team effortlessly runs A/B tests and kicks off promos at lightning speed. The results? Solid revenue boosts and promotions that hit the mark. Big thanks to Claspo for elevating our business game!

Nikita Gontar

Retention Manager, Devart

Incredible easy-to-use software with a bundle of features that can help you to obtain more leads. Awesome customer support. Highly recommended!


Marketing Specialist, DeepStateMap

Our conversion rate increased by 3.9 times thanks to the SPA supported by Сlaspo. The script works more correctly, is more stable, and loads better. We really enjoy multilanguage widgets and geotargeting!

Jordan S.

Product Marketing Lead

An easy-to-use and customizable solution. No cons were found during the work, overall clear and useful functionality.

Viktoriia Tsalpinska

Email marketing specialist, Grade.ua

We decided to introduce a floating information widget. It is not intrusive, but it had to appear with each new session. Claspo was the easiest way to do this. The platform is easy to understand, you can figure everything out in half an hour.

Kate K.

Partner Relations Manager

The A/B testing feature is a huge plus! Overall: With Claspo's wide range of customizable widgets, you can create all kinds of interactive elements that help your sites stand out and engage visitors. The A/B testing allows you to optimize each element and determine which widget performs better

Tony Fiston


It looks like Claspo makes creating and launching website widgets easy fot any coding skills. I am excited to try the customization options and KPI-driven analytics to optimize my site's conversion.

Product Hunt
Claspo Plugin

We are actively developing our unique plugin, thanks to which the entire Claspo popup builder functionality can be built into your system and adapted to your interface.

Learn More
Individual Demo

Our mission is to help you use Claspo's full potential for your on-site strategy from day one. During our demo call, we will introduce you to all Claspo solutions and select the best one for your business.

Get Help

See the Results Achieved with Claspo by Similar Companies Like Yours

MAUDAU & Claspo: 19% increase in discounted product sales
In product views
In product cart additions
Increase in transactions
Read story
x2 Conversion Boost: Grade.ua Partnership with Claspo
convertion rate increase
action increase
Read story
Devart & Claspo: 48% Increase in Product Downloads
increase in product downloads
increase in conversion rate
Read story

GDPR Compliant. Your data is safe and secure with us.

Claspo is an online popup builder for websites. Using Claspo, you can collect users' data, increase sales conversion and optimize the user journey in a few simple steps without developers and special knowledge.

Claspo popup builder's main goals are: 

  • to make this process as simple as possible;
  • to offer a large number of ready-made solutions for many industries and tasks. 

At the same time, the popup maker provides opportunities for unlimited customization and advanced KPI-oriented analytics in an accessible form and with flexible pricing plans.

You can use different forms to improve your lead generation, grow your email list and upsell to these bases. Using Claspo features, you can quickly boost your sales!

Claspo popup Builder Benefits

  • Simple and intuitive interface;
  • Focused on the global market;
  • Extensive coverage;
  • Low entry barrier;
  • Versatile integration;
  • Using organic traffic;
  • Thousands of infinitely customizable pre-made solutions.

We plan to make advanced analytics for forms soon: show users which fields they fill out when they lose the audience. For example, there were two fields, an email and a name, then they added a date of birth or a phone number, and most users closed the form in this field. In popup builder, we’ll provide analytics not only for completed actions but also for incomplete actions on forms, as well as show recommendations for improving conversion.

Large popup builder library

Claspo offers ready-to-use solutions for every purpose. popup templates are the best solution when you need to attract new subscribers inexpensively. Widgets promote special offers and reduce cart abandonment.

popup builder allows the marketer to reduce the time required to prepare widgets by at least three times (we measured this indicator by adding templates to our team's library), eliminate routine tasks, and focus the efforts on more creativity and business-strategic goals.

The library currently has over 200 templates, and we are adding new ones regularly. Choose the best ones from the library of popup builders and customize them for your website!

Handy drag-and-drop popup builder

With Claspo, generating forms and customizing notification widgets for your website will be fast. The handy features of Claspo's user-friendly drag-and-drop popup builder allow you to build eye-grabbing popups and add and fully configure them. You can change the template design and see all the adjustments. Get a product that is easy to learn and interact with daily!

Popups are useful, but if they are overly large or difficult to close, they may block access to the page content, degrading the user experience. Popups are designed to engage the user and get extra attention to specific information or an offer.

Unlimited customization in the popup builder

It is important that every button, every field, and every element fits the general picture and communicates with the user. Claspo popup builder can save you time and allow for better multitasking. Removing customization restrictions minimizes problem-solving time. Moreover, it will enable customers to bring their development teams to create new components or gamification for their projects.

Adapt your widget to any industry and use case! In your personal account, you can choose from various templates and set widget display conditions. There is also an additional option: you can order your own popup design!

Gamified widgets in the popup builder

Demand for gamified solutions is growing, and their application usually significantly increases sales conversion. Businesses that use gamification can experience up to 7 times higher conversion rates. You can choose a popup for different high-season events, like Halloween, Black Friday, Cyber ​​Monday, and Christmas, and promote news & deals!

Incorporating gamified widgets sets your website or app apart from competitors. It can be a unique selling point that attracts users and keeps them engaged. Ultimately, gamified widgets provide an element of fun and entertainment for your audience. People appreciate enjoyable experiences, and gamification adds a touch of playfulness to your digital presence.

Effortless popup builder integration with most of the popular platforms

Import data from CRM, CDP, or other available instruments. Using Claspo, you can create a simple and understandable popup for the user, but at the same time flexible, easily customizable SaaS product with rich integration, which can be built into other systems as a White Label. With the transition to automation, we want to offer a popup builder that will also be focused on a business indicator, for example, sales: the system determines at what point it is better to show the widget so that there is a maximum conversion. At the same time, the display does not affect the business conversion.

Analytics tools in popup builder

  • Impressions and Views

How can you find out if people stop browsing to focus on your messages? Select the period, and the impression/views count will appear immediately.

  • Subscription Conversions

Monitor the number of subscribers brought by your widgets during a specified period.

  • Conversion Rate

Use Claspo popup builder to automatically calculate your popup.’ conversion rates and keep an eye on your crucial metric to notice the alarming signals in advance.

  • Google Analytics (Events)

The joined features of Claspo popup builder & Google Analytics comprise the ultimate toolkit to upgrade event tracking or goals assessment processes.

  • Desktop/Mobile statistics

View and sort all statistics by type of device to confirm that mobile and desktop users are pleased with your services.

Claspo popup builder niche expertise

Claspo is a team of qualified marketers, developers, and designers who aim to offer the best popup templates for any business industry to convert visitors into buyers. In our blog, we share our experience and insights in marketing, as well as tips on how to connect with visitors using popups.

We conducted tests and tried to understand the impact of popups on conversion and how they affect a purchase when people subscribe. The field of research here is endless. We found different situations on clients’ websites, analyzed different mechanics, and deduced the golden rules for displaying popups, which we now recommend for all clients. When a client creates a widget in the Claspo popup builder, these rules are already set by default.

Five easy steps to get started with Claspo popup builder 

1. Get started

Auto-login on the site using mail. Then click on the New Widget button and turn to the choice of templates.

2. Edit the widget

To proceed with editing the widget, select one. You can see how the widget is displayed for the mobile and desktop versions and select the launcher that opens this form.

3. Select a template and turn to the editor

There are several containers in the editor:

  • a text block; 
  • a container inside which you can place several elements at once and align them vertically and horizontally;
  • a picture; 
  • a floating image;
  • a button that can be customized.

4. Choose the widget triggering

You can turn to the preview to see how the widget will be displayed on the site. Choose widget statuses, language, display on different devices, and Window size. It can be a fixed size or a device size.

5. Check the result

After saving, you see your widget in the library.

Claspo popup Builder FAQs

1. How does the Claspo popup builder work?

Claspo is an online drag-and-drop editor that allows you to design custom popups. for your website.

2. Are there pre-existing popup templates available?

Yes, Claspo provides a wide range of pre-designed popup templates for various business needs. You can explore these templates at https://claspo.io/templates/.

3. How can I create my first popup using Claspo?

To get started, sign up for a free account with no time restrictions. You can find the essential guidelines and principles for creating your perfect popup at https://claspo.io/.

4. Is there a free trial period before committing to a purchase?

Claspo offers a 14-day free trial, allowing you to explore and test popups. in your account. 

5. Do you provide customer support?

Yes, Claspo offers 24/7 customer support. You also have the option to book a demo meeting with our manager, who can guide you through all the features of the popup builder.