Free WordPress Popup Plugin

Design engaging and ready-to-use popups in just minutes— no coding required. Boost your conversions, grow your email list, drive more sales, or collect valuable feedback with smart triggers and advanced targeting options.

Install Claspo plugin

Install Claspo plugin

No feature limitations

No feature limitations

Based on
50+ reviews once

Based on 50+ reviews once

Create high-converting popups in minutes by Claspo Popup Maker
Create high-converting popups in minutes by Claspo Popup Maker

Featured in

And even more use cases for any purpose

Dave Swift

Youtube Channel

Why Claspo is the Go-To Popup Maker for WordPress

Why Claspo is the Go-To Popup Maker for WordPress

  • Easy to use

    Easy to use

    Quickly create popups without any coding skills

    Quickly create popups without any coding skills

    Browse Templates

  • Customizable

    Customizable

    Make every widget look and work exactly how you want

    Make every widget look and work exactly how you want

    More on Features

  • Synced with Your Apps

    Synced with Your Apps

    Seamlessly integrate with your marketing tools

    Seamlessly integrate with your marketing tools

    See All Integrations

  • Gamified

    Gamified

    Gamify lead capturing to increase conversions

    Gamify lead capturing to
    increase conversions

    Gamify lead capturing to increase conversions

    Try Gamified Widgets

Four Simple Steps to Integrate Claspo Free Popup Plugin for WordPress

Four Simple Steps to Integrate Claspo Free Popup Plugin for WordPress

STEP 1

Easily Create Your Popup

No need to start from scratch—just explore our template library and find the perfect match for your use case and needs. Easily personalize your popup with our intuitive editor, designed to let you customize every element for a seamless and engaging user experience in just a few clicks.

  • 1000+ popup templates

  • User-friendly drag-and-drop editor

  • Mobile responsive designs

  • A wide range of components: countdown timers, gift boxes, gamification, and more

Making popups with Claspo is really easy! The template library helped me find what I needed, and the drag-and-drop builder let me tweak everything in no time.

STEP 2

Setup Targeting Options and Rules

Reach the right audience with advanced targeting rules. From page level and device targeting to smart triggers, we ensure your popup campaigns target website visitors and their behaviors at the right moment and with minimal disruption.

  • Scroll and click-based targeting 

  • UTM and URL-based targeting

  • Exit-intent technology

  • Silence interval, time delays, and overlap protection 

Claspo's targeting options are really helpful. I can easily adjust settings to reach the right audience without being intrusive.

STEP 3

Seamlessly Connect with other Apps

Effortlessly integrate Claspo with your preferred marketing platform to enhance your workflows. Automatically transfer collected data—like subscription form details—to your ESP, CDP, and CRM, ensuring instant data synchronization.

  • All major platforms supported

  • Integrations with MailChimp, HubSpot, Pipedrive, Mailerlight and 20+ more

  • Seamlessly integrate Claspo with almost any app using webhooks

  • Easy setup

Connecting Claspo to my WordPress site was really simple! The setup was quick, and now everything flows smoothly with all the statistics I want.

STEP 4

Run, Test, and Improve

Quickly and easily measure the return on your marketing efforts. Install the Claspo popup window WordPress plugin, publish the widget, and optimize your campaigns by continuously improving your popups through A/B testing.

  • A/B and multi-variation testing

  • Real-time analytics dashboard

  • Seamless integration with GA4

A/B testing with Claspo is simple and effective. The real-time analytics make it simple to see what’s working and adjust on the fly.

FAIR PRICING NO SURPRISES

Get free lifetime access to all our features with no hidden charges

Get free lifetime access to all our features with no hidden charges

Get Lifetime Access

Designed to Perfectly Fit Your Marketing Stack

Designed to Perfectly Fit Your Marketing Stack

With Claspo, you’ll have a powerful WordPress popup builder that connects seamlessly to your other marketing tools. Enjoy fast data transfer and improved engagement.

and more than 20+ tools to integrate

Show More

Show More

The WP Popup Plugin You Will Love

The WP Popup Plugin You Will Love

The WP Popup Plugin You Will Love

Say goodbye to technical headaches and design issues with Claspo. Start building high-converting popup forms on your WordPress site today!

Get Started

What Our Clients Say About Us

What Our Clients Say About Us

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!

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!

Maruti Konduri

Maruti Konduri

Co-founder of Cracku

Seasonal countdown widgets delivered dramatic lift — taking Cracku’s campaigns from ~1.8% CTR to 7-8% in just a few days. Smart urgency, precise targeting, and festive relevance generated up to 4× higher CTR compared to their regular promos.

Maruti Konduri

Maruti Konduri

Co-founder of Cracku

Seasonal countdown widgets delivered dramatic lift — taking Cracku’s campaigns from ~1.8% CTR to 7-8% in just a few days. Smart urgency, precise targeting, and festive relevance generated up to 4× higher CTR compared to their regular promos.

Borys Skowron

Borys Skowron

Founder of WHOSE

We saw a huge improvement in sign-up rates — going from around 3-5% to as high as 50% with the gamified widgets.

Borys Skowron

Borys Skowron

Founder of WHOSE

We saw a huge improvement in sign-up rates — going from around 3-5% to as high as 50% with the gamified widgets.

Tony Fiston

Tony Fiston

Marketing

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

Product Hunt

Tony Fiston

Tony Fiston

Marketing

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

Product Hunt

Kate K.

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

Capterra

Capterra

Kate K.

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

Capterra

Capterra

Viktoriia Tsalpinska

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.

Capterra

Capterra

Viktoriia Tsalpinska

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.

Capterra

Capterra

Jordan S.

Jordan S.

Product Marketing Lead

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

Capterra

Capterra

Jordan S.

Jordan S.

Product Marketing Lead

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

Capterra

Capterra

Nikita Gontar

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!

Capterra

Capterra

Nikita Gontar

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!

Capterra

Capterra

Serhii Doroshenko

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!

Capterra

Capterra

Serhii Doroshenko

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!

Capterra

Capterra

Kateryna Tkachuk

Kateryna Tkachuk

Lead UI/UX Designer

I am most attracted to the design and clear navigation. The interface was immediately clear and I didn't have to spend time watching training videos. I was also able to choose the form and design it myself. This helps to speed up the process of working with the website.

G2

G2

Kateryna Tkachuk

Kateryna Tkachuk

Lead UI/UX Designer

I am most attracted to the design and clear navigation. The interface was immediately clear and I didn't have to spend time watching training videos. I was also able to choose the form and design it myself. This helps to speed up the process of working with the website.

G2

G2

Frequently Asked Questions

And even more use cases for any purpose

First, you need to register an account with Claspo. Then, download our plugin from the WordPress plugin directory and install it as usual. Head over to your Claspo account, find the script ID, and paste it into the plugin signup screen in WordPress. For detailed instructions, follow this guide.

Yes, our popup builder plugin is compatible with all website themes and gets along with other plugins you have on your website.

With our free plan, you can create an unlimited number of popups. However, you can only have three active widgets. If you need more, you will need to upgrade.

Claspo supports a wide range of pop-up types, including exit-intent popups, timed popups, scroll-triggered popups, and more. You can also experiment with different placements to engage your visitors. There are floating bars and boxes, launchers, inline widgets, and age verification screens on top of traditional pop up ads.