Enjoy the way you build WebAssembly online form

Enhance your landing page interactivity and easily gather essential information thanks to a cutting-edge Form builder from Instapage. Build WebAssembly online forms that captivate users and elevate conversions like never before.

Get started

Note: Some features described here might be planned in our roadmap but not yet released. You can open a live chat from within your account and our Support team can offer more details or help you with workarounds.

Landing page builder

Form builder

Landing page optimization

Landing page personalization

Create forms with drag-and-drop interface

Easily create forms without design or coding skills. Simply drag different fields onto your canvas, arrange them the way you like, and customize them to collect the lead data you need.

Add customization and branding elements

Create a form that fits seamlessly into the design of your landing page. Add unique fields, colors, buttons, and layouts that captivate your audience and reflect your brand's identity.

Get your landing pages live faster

Access forms from a dedicated form library to launch your landing page faster. Skip the hassle of adding form embed codes or dealing with extra form building tools.

Maximize efficiency with reusable forms

Save time by cutting down on repetitive tasks. Create your forms once and reuse them multiple times, or start with ready-made form templates that you can customize to fit your needs.

Keep all your forms in one place

Keep all your forms organized in one online library on a single platform. Access your forms anytime and easily reuse them when needed.

Integrate with any app

Send leads over to your favorite email services, marketing automation tools, CRMs, and more to easily connect with them, nurture relationships, and guide them through the sales funnel faster.

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Boost results through landing page optimization

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Personalize experiences for higher engagement and ROI

Personalize experiences for higher engagement and ROI sidebar

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Maximize campaign efficiency with ad mapping

Maximize campaign efficiency with ad mapping sidebar

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Improve alignment across your creative team

Improve alignment across your creative team sidebar

Instapage helps Output achieve a 261% conversion rate uplift with targered landing pages

Create forms with drag-and-drop interface

Easily create forms without design or coding skills. Simply drag different fields onto your canvas, arrange them the way you like, and customize them to collect the lead data you need.

Add customization and branding elements

Create a form that fits seamlessly into the design of your landing page. Add unique fields, colors, buttons, and layouts that captivate your audience and reflect your brand's identity.

Get your landing pages live faster

Access forms from a dedicated form library to launch your landing page faster. Skip the hassle of adding form embed codes or dealing with extra form building tools.

Maximize efficiency with reusable forms

Save time by cutting down on repetitive tasks. Create your forms once and reuse them multiple times, or start with ready-made form templates that you can customize to fit your needs.

Keep all your forms in one place

Keep all your forms organized in one online library on a single platform. Access your forms anytime and easily reuse them when needed.

Create forms with drag-and-drop interface

Send leads over to your favorite email services, marketing automation tools, CRMs, and more to easily connect with them, nurture relationships, and guide them through the sales funnel faster.

How to build WebAssembly online form using Instapage's Form Builder

Building an online form with Instapage's Form Builder can significantly enhance your marketing strategy. This tool empowers marketers to streamline the process, reduce costs, and boost conversion rates through effective landing pages. Whether you are in business services, education, or tech, learning how to create a form can be a game-changer for your campaigns.

Step-by-step guide to build WebAssembly online form

Sign up with Instapage and start your 14-day free trial to explore all the platform's capabilities.
Create and set up a Workspace and add team members for better collaboration.
Choose 'Assets' in the left menu of the Dashboard, then click 'Forms' -> 'Create Form'.
Drag and drop various fields, dropdown lists, and radio buttons from the sidebar to build your form.
Customize labels and buttons to improve their appearance in the 'Form Style' section.
Utilize the 'Form Settings' menu to configure steps and define actions upon form submission.
Click 'SAVE' to preserve all changes or 'SUBMIT' to activate and execute the form.

Following these steps will enable you to efficiently build WebAssembly online forms that meet your marketing objectives. Start your 14-day free trial today and unlock the potential to convert leads into loyal customers!

Get more conversions with build WebAssembly online form

Improve your Quality Score with quick load technology for landing pages

Increase conversions with content that aligns with your ads and audiences

Achieve maximum ROI by scaling your marketing initiatives

Get started

“Instapage gives us the ability to tailor our landing page content and layout to tell a unique story for each geographical target. The platform also enables us to create different variations with content that performs well for each unique channel. Every marketing team needs this!”

Tamar Friedland, Sr. Director of Global Paid Marketing

"Instapage has truly maximized our digital advertising performance by enabling us to offer matching, personalized experiences for every ad and audience. Now we can scale our landing page experiences as efficiently and effectively as we scale the ads themselves."

Darren Lepke, Marketing Director

"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"

Alex Kracov, Head of Marketing

Leading the way in building high-performing landing pages

Most Implementable Enterprise - Summer 2025

Fastest Implementation Enterprise - Summer 2025

Frequently Asked Questions

How can I build WebAssembly online form using Instapage’s Form Builder?

With Instapage’s intuitive drag-and-drop Form Builder, building a WebAssembly online form is a breeze! Simply select the fields you need, such as text, email, and dropdown lists, and add them to your form. Once your form is set up, customize its look and configure action settings like redirecting upon submission—no coding skills required!

What are the unique features of Instapage’s Form Builder?

Instapage's Form Builder is packed with unique features that set it apart from competitors. You can easily create high-converting forms and store them in a central Form Library for easy management and reuse. Additionally, the platform allows for detailed integrations with other marketing tools, ensuring a seamless workflow as you build your WebAssembly online form.

Is Instapage's Form Builder suitable for all types of businesses?

Absolutely! Whether you're in marketing, education, or tech, Instapage’s Form Builder is designed to cater to a wide range of industries, making it an ideal solution to build WebAssembly online form for any business. Its flexibility and user-friendly design ensure that all marketers can create high-performing forms that drive conversions.

How does Instapage support its users while building forms?

Instapage prides itself on exceptional customer support. As you build your WebAssembly online form, you can access a wealth of resources, including tutorials, quick-start guides, and live chat assistance. This commitment to customer service makes it easy for users at any level to maximize their use of the form builder.

What pricing plans does Instapage offer for its Form Builder?

Instapage offers flexible pricing plans that cater to various needs and budgets. Whether you're just starting out or managing multiple campaigns, you can find a plan that allows you to build WebAssembly online form at a competitive rate. Each plan comes with robust features designed to enhance your landing page and form-building experience.

Can I track the performance of my forms built with Instapage?

Yes! Instapage provides detailed analytics that allows you to track the performance of your forms effectively. After you build your WebAssembly online form, you can monitor engagements and conversion rates, enabling you to optimize and improve your forms continually. The built-in analytics tools are key to understanding user behavior and refining your marketing strategies.