Make the most of your workflows with Instapage’s online form generator for JavaScript developers

Craft and customize your landing pages and forms online with Instapage. Test various versions with our form builder for JavaScript developers right now!

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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.

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

Boost results through landing page optimization

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

Personalize experiences for higher engagement and ROI

Personalize experiences for higher engagement and ROI sidebar

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

Maximize campaign efficiency with ad mapping

Maximize campaign efficiency with ad mapping sidebar

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

Improve alignment across your creative team

Improve alignment across your creative team sidebar

Zero In maximizes Google Ads campaign performance for clients by 34% using Instapage

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.

Javascript web form builder: Your ultimate how-to guide

Instapage's Form Builder empowers JavaScript developers to streamline data collection with customizable online forms. This guide will walk you through the steps to create your first form using this powerful online form creator.

Steps to create your form using Instapage

Log in or create a free Instapage account, then choose a free 14-day trial.
Add your company details, invite your teammates, and configure permissions.
Go to your Dashboard and click Assets -> Forms -> Create Form.
Create your form from scratch by renaming it and starting the customization.
Select the ADD FIELD menu from the left bar and drag and drop fields like single or multi-line text, email, dropdown, and radio buttons.
Customize your fields and configure your form using FORM Settings and FORM Style options on the right sidebar.
Click Save and add your form to the landing page to streamline data collection.

By following these steps, you can effectively utilize Instapage’s Form Builder to enhance your landing pages. Start your free trial today to see how this online form creator can boost your conversion rates!

Get more conversions with online form creator for JavaScript developers

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

What is the Instapage Form Builder and how does it serve as an online form creator for JavaScript developers?

The Instapage Form Builder is a powerful tool designed to help JavaScript developers create custom forms without the need for extensive coding. It offers a user-friendly interface that allows developers to drag and drop form elements, ensuring that they can build forms quickly while focusing on functionality and design. This online form creator for JavaScript developers also supports integrations with various marketing tools, making it easy to capture leads and analyze data effectively.

How easy is it to integrate the Instapage Form Builder with other tools?

Integrating the Instapage Form Builder with your existing tools is straightforward and hassle-free. It supports numerous integrations with popular platforms like CRM systems, email marketing services, and analytics tools, allowing JavaScript developers to streamline their workflow. This seamless integration capability makes it an excellent online form creator for JavaScript developers who aim to enhance their marketing efforts without complicating their processes.

Can I customize forms to fit my brand using Instapage's Form Builder?

Absolutely! The Instapage Form Builder provides extensive customization options that allow JavaScript developers to align forms with their brand identity. You'll find a variety of design elements that you can adjust, from colors and fonts to layouts, ensuring your forms resonate with your audience. As an online form creator for JavaScript developers, it empowers you to create highly branded forms that enhance user experience and brand recognition.

What kind of customer support does the Instapage Form Builder offer?

Instapage takes customer support seriously, providing a comprehensive support system for users of their Form Builder. JavaScript developers can access a rich knowledge base, tutorials, and live chat support, ensuring any issues are resolved quickly. With robust support options, you can count on Instapage's team to assist you as you navigate the features of this online form creator for JavaScript developers.

Are there any analytics features available with the Instapage Form Builder?

Yes, the Instapage Form Builder includes built-in analytics features that allow JavaScript developers to track form performance and user interactions effectively. You can monitor metrics such as submission rates and conversion statistics in real-time, enabling you to optimize forms for better results. This functionality makes it a valuable online form creator for JavaScript developers focused on data-driven decisions and continuous improvement.

How does pricing for the Instapage Form Builder compare to competitors?

Instapage offers competitive pricing for its Form Builder, especially when considering the advanced features included. Unlike other online form creators for JavaScript developers, Instapage combines extensive customization options, robust analytics, and seamless integrations, all of which are aimed at maximizing conversions. This exceptional value proposition, combined with its powerful performance, makes Instapage an attractive option for developers looking to optimize their forms on a budget.