Enjoy the way you build JavaScript online form

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

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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.

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads pages

Boost results through landing page optimization

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads pages

Personalize experiences for higher engagement and ROI

Personalize experiences for higher engagement and ROI sidebar

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads pages

Maximize campaign efficiency with ad mapping

Maximize campaign efficiency with ad mapping sidebar

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads pages

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads pages

Improve alignment across your creative team

Improve alignment across your creative team sidebar

Unitrends increases its lead count by 154% while cutting ad spending with Google Ads 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 JavaScript online form with Instapage's Form Builder

Instapage’s Form Builder empowers marketers to create effective online forms effortlessly, enhancing conversion rates and brand loyalty. This guide will take you through the essential steps to build a JavaScript online form using this user-friendly platform.

Getting started to build JavaScript online form

Sign up with Instapage and start your 14-day free trial to explore all the platform's capabilities.
Create a Workspace and add team members to streamline collaboration.
Navigate to the Assets menu on the left side of the Dashboard, then select Forms -> Create Form.
Drag and drop fields, dropdown lists, and radio buttons from the sidebar to construct your form.
Customize labels and buttons in the Form Style section for an appealing look.
Use the Form Settings menu to configure form steps and set actions for when the form is submitted.
Click SAVE to keep your changes, or SUBMIT to activate your form.

Following these steps, you’ll harness the full power of Instapage’s Form Builder to create responsive and robust JavaScript online forms. Start your trial today and see how it can boost your marketing strategy!

Get more conversions with build JavaScript 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

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“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 easily build a JavaScript online form with Instapage?

With Instapage's intuitive drag-and-drop Form Builder, you can effortlessly build a JavaScript online form. Simply add various fields like text, dropdown lists, and radio buttons, and customize them to fit your landing page. The Form Style menu lets you modify your buttons and set actions for form submissions, making it easier than ever to collect leads.

What benefits does Instapage offer when I build a JavaScript online form?

When you build a JavaScript online form with Instapage, you gain access to a powerful tool that boosts conversion rates and enhances user experience. The flexibility to customize forms means you can align them with your brand, while the integration with diverse marketing tools ensures your leads are captured seamlessly. Plus, our built-in analytics help you optimize forms based on performance data.

Are there any integrations available with the Instapage Form Builder?

Yes! Instapage seamlessly integrates with various CRM platforms, email marketing software, and other essential tools, allowing you to build a JavaScript online form that connects effortlessly with your existing workflow. These integrations enhance your marketing efforts by streamlining lead management and follow-ups, saving you time and increasing efficiency.

How does your customer support compare to other form builders?

At Instapage, our customer support stands out with a dedicated team that’s ready to assist you at every step. Whether you're looking to build a JavaScript online form or need assistance with advanced features, our knowledgeable support staff is here to help. We also provide extensive resources, tutorials, and community forums to ensure you get the most out of your form-building experience.

Can I test the performance of my forms created with Instapage?

Absolutely! With Instapage, you can optimize your forms through A/B testing and detailed analytics. This means when you build a JavaScript online form, you can assess its performance, understand user interactions with heatmaps, and make data-driven adjustments to enhance conversions. Our experimentation tools put you in control of your landing page effectiveness!

Is Instapage’s Form Builder user-friendly for beginners?

Yes, Instapage's Form Builder is designed with ease of use in mind, making it ideal for beginners and experienced marketers alike. The drag-and-drop functionality allows anyone to build a JavaScript online form quickly, without any coding knowledge. Coupled with our extensive support resources, you'll be creating high-performing forms in no time!