The 16 Best Online Form Builder Tools You’ll Try in 2021

Looking for the best online form builder that ACTUALLY converts? Look no further!

I’ve created just the perfect list for you!

best online form builders

While you were enjoying your weekend sinking in your couch with a Netflix and Chill’d Ben & Jerry’s in your lap, I was testing some of the most popular subscription form tools like, Moosend and HubSpot to see what they’re worth and save you the trouble.

From designing beautiful forms fast to creating graphical reports and complex workflows, keep reading to learn all about the crème de la crème of online form builders.

Oh! And if you can’t choose which one is the right for you, make sure to download the checklist I’ve made!

It’s a list of all the things you should pay attention to before committing to an online form builder.

Best Online Form Builders

Ready to jump on the subscription form bandwagon? Keep your notepad at hand. And start counting.

1. Moosend – Best Free Form Builder

moosend's online form builder page

Moosend has one of the best free online form builders out there to create unlimited subscription forms without having any technical expertise. The drag-and-drop form builder is ideal for creating professional forms to boost your list building efforts or display a call-to-action on your website.

With the free form builder, you can create a new subscription form by choosing one of the elegant form templates designed for all your needs.

The sky’s the limit when it comes to the types of forms you can create:

  • modal popup – a lead generation form showing up in the middle of your page
  • inline form – a discreet popup you can embed on your page with your content
  • floating bar – a discreet slim row displayed at the top or bottom of your page
  • floating box – a popup that sticks with your visitor as they scroll up and down
  • full page form – a form that covers a visitor’s entire page

You can try all these form types yourself by signing up for a free account.

Form Builder Features

  • Drag-and-drop builder that favors simplicity
  • Advanced visibility options(cookies, countries, URLs, etc)
  • 100+ Integrations to stay in sync
  • Easily connected with automated workflows
  • GDPR Compliance
  • Notifications when someone signs up
  • Easily embeddable to your website
  • Anti-bot Protection

Among others, when you sign up for an account(which is free forever btw), you’ll instantly get access to custom fonts,  countdown-timers, P.D.Q. Rendering Engine, and more.


Moosend has a free forever plan that allows you to create unlimited forms without any limitations or form caps. Prices start at $8/month and you’ll also get access to the landing page builder.

Register for free

2. Socital – Paid Online Form Builder

example of Socital's form builder webpage

Socital is a relatively new online form builder you can use to nail form creation even if you’re not familiar with such tools.

In my opinion, the form builder is great for eCommerce companies and beginners who want to create a subscription form fast and easy.

When it comes to templates, Socital offers a large variety of forms to suit your form building needs.

What makes the editor user-friendly is the way their editor guided me before I got to create an online form:

  • choose a goal for the campaign
  • select a call-to-action
  • specify the target audience

After setting your goals, you can start designing your online forms by choosing one of Socital’s available templates.

Form Builder Features

Socital gives you complete control over your design, allowing you to adjust your text and styling as well as add GDPR consents and more.

This gives you all the right tools to come up with simple and complex forms to nail your list building and achieve your goals.

Socital’s paid form builder can also help you with your social media logins so you can have the full picture of what’s going on with your customers.

Ivana Stevic, Socital’s Growth Marketing Manager, gave us an extra tip:

“Facebook login allows you to collect consent-based rich data like names, gender, interests, and brand affiliation. It helps you create and serve to your customers personalized product recommendations. The Facebook name, gender, and likes data serves for real-time dynamic and personalized content on the Success Screen of every Socital popup through our on-site recommendations feature.”

When it comes to integrations, Socital integrates with a bunch of tools, including Moosend!


Socital offers five different monthly plans. Their prices differ depending on the type of support you choose: self-service or gold support.

The lowest price, if you select self-service, starts at 19€ which is about $23.

3. HubSpot Forms – Free Online Form Builder

hubspot form builder

HubSpot is a full-stack CRM platform that comes with a suite of powerful free tools to help you grow your business.

HubSpot’s form builder uses an intuitive drag-and-drop interface, making it easy to collect the information you want from your visitors.

You can create five different types of forms with HubSpot:

  • Standalone forms
  • Embedded forms
  • Popups
  • Slide-in boxes
  • Dropdown banners

You can create as many forms as you want with as many fields as you want, for free. You can choose from a selection of goal-based form templates that you can then tweak as you wish, or make your own from scratch.

Once someone fills out your form, they are automatically tracked in the HubSpot free CRM, where you can set tasks, set up calls, and send personalized emails.

Form Builder Features

You can choose among a series of pre-designed templates based on the goal you’re looking to accomplish with your forms. The drag and drop builder makes it easy to customize your fields and give your forms the look and feel you desire.

HubSpot’s form builder comes with a free landing page builder so you can create standalone pages to host your forms and a free email marketing tool so you can easily send your new contacts personalized emails.

You can also build a support form that will automatically generate support tickets every time someone fills it out, which you can then manage in HubSpot’s free ticketing tool.

Premium features include advanced marketing automation that you can use to set up kickback emails and autoresponders when someone submits a form.

The visual analytics dashboard helps you keep track of how your forms are performing so you can attain your goals more easily.

HubSpot’s form builder integrates with most digital tools. If you’re on WordPress, you can install the HubSpot WordPress plugin to easily add your forms to your WordPress website.


HubSpot has a free plan that allows you to create unlimited forms and collect unlimited submissions. You also get free email marketing, landing pages, a CRM, and more free tools.

To access HubSpot’s more advanced tools and automation features, paid plans start at $50/month.

4. Typeform – Free Online Form Builder

Typeform's paid online form builder webpage

Typeform is a popular online form builder, famous for its quirky character.

The builder is visually attractive, allowing you to get the hang of form building and create lead generation and payment forms.

Although it took me some time to find my way around it, the online form builder guided me through the whole process.

While the style can be monotonous, every design can stand out thanks to the variety of backgrounds and images you can insert through the File Upload add-on.

It’s also worth mentioning that If you have used other builders before, you might find yourself missing the typical drag-and-drop convenience.

Form Builder Features

Typeform has several features to help you create your online forms.

Among others, you can apply calculations and use Logic Jump to add question branching, forks, or conditional questions.

Conversational and out-of-the-box, Typeform forms are perfect for brands with an informal style.

The form builder app allows its users to either create an online form from scratch using file uploads or choose one of the ready-made designs.

This online form builder offers a wide range of form templates for different industries and types of forms, including:

  • quizzes
  • polls
  • surveys
  • lead generation forms

Typeform’s online form builder is great for companies with a young audience, ideal for creating cool forms without spending too much time.

Regarding the integrations, Typeform integrates with some of the most popular platforms like Slack, Hubspot, and Salesforce.


Typeform offers a free version of its online form builder and three paid plans: Essential, Professional, and Premium.

They range from 30€ to 70€ (about $35-$85), and you can choose between a monthly or a yearly plan.

5. Optimonk – Paid Online Form Builder

example from Optimonk's online form builder tool

Optimonk is probably among the best online form builders for eCommerce sites who want to collect more emails and sell more.

The drag-and-drop form builder lets you create various types of popups to capture your audience.

More specifically, Optimonk has four different form types to choose from:

  • Popup
  • Side message
  • Nano bar
  • Fullscreen

From then on, you can create a subscription form effortlessly. Just choose a form template that matches your needs and customize it accordingly.

You can do that either by selecting campaign goals or going through the different categories, such as Black Friday, Easter, and Valentine’s Day.

Form Builder Features

Optimonk’s editor is on the drag-and-drop side, and all you have to do is adjust, add, and delete various elements.

Some of the key features that I loved about Optimonk were the countdown, coupon, and radio options.

You can also try their lucky wheel gamification popup or one of their brand-new templates.

What’s more, Optimonk has a very user-friendly dashboard, allowing you to create simple and complex forms without any technical expertise.

There’s also the option of creating on-site messages through HTML and Javascript if that’s your cup of tea.

Apart from the online form builder, Optimonk includes tools to track user behavior and display the appropriate popup offer.

The platform integrates with all your favorite tools like Moosend, Marketo, Shopify, and Unbounce.


Optimonk offers five different plans. You can select among the free form builder version with unlimited campaigns or the $199 plan for extra features.

6. Wufoo – Free Online Form Builder

Wufoo's page for its free online form builder

Wufoo is a popular choice that serves both the creative ones and those in need of some quick web form design.

With a large selection of ready-made form templates, it’s hard not to find one that suits your needs.

Wufoo’s templates are neatly organized into categories, while you can also use the search function to get there:

  • lead generation
  • invitations
  • online orders
  • registrations

The drag-and-drop online form builder is pretty simple, so it’s easy to move, add or remove any form fields.

You can also customize the looks of your form as Wufoo lets you change the alignment, description, and label placement.

The online form builder also allows you to choose from a wide selection of fields for answers.

This way, form submission becomes faster due to the dynamics and simplicity of the form.

Form Builder Features

One of the features I loved the most is the rule tool, which you can use on the free plan.

There are three different rules to create: Field, Page, and Form.

I know what you’re thinking. “Doesn’t this platform look a bit 1998-ish?”

Well, yes. But let’s not forget that this is an online form builder aimed at businesses who seek more traditional features like:

  • payment integrations
  • analytics tools
  • A report designer to create custom reports

What’s more, the online form builder allows you to sync your forms with your favorite tools, offering a bunch of integrations like CampaignMonitor, Stripe, and Squarespace.


Wufoo offers four plans starting at $19/month.

There is also a free plan with sufficient features available, but it’s not ideal for business purposes.

7. Convertful – Free Online Form Builder

Convertful's paid online form builder tool

An excellent option for bloggers, eCommerce as well as agencies, Convertful is a powerful form builder with great on-site conversion rate solutions.

The builder has a simple WordPress installation, and it’s perfect for growing your business without taking too much effort.

The user-friendly interface and drag-and-drop online form builder lets you create subscription forms to boost your website and make your landing page creation easier than ever.

Also, your design will perfectly match your brand’s tone due to the builder’s ability to customize your designs fully!

Form Builder Features

Convertful’s best feature is the variety of forms it offers.

Among others, you can create spin-to-Win and scratch cards, quiz funnels, follow coupon boxes, and more.

Additionally, the online form builder offers the option of adding powerful displaying rules, such as:

  • display triggers
  • targeting
  • don’t show if
  • WordPress specific targeting

Fast to implement and ready to run in a few minutes, Convertful is an excellent option for both novice and advanced users who want to get new leads through their website.

This online form builder works effectively with all major eCommerce platforms and email marketing software like Hubspot, MailerLite, Moosend, and Sendinblue.


Apart from the free plan, Convertful has four paid plans starting at $9/month. Also, there’s a 14-day trial you can use to test all the paid plans.

8. Google Forms – Free Online Form Builder

Google Forms builder website example

Google Forms are exactly what you’d expect from Google.

The builder offers you a quick and easy way to create and deploy subscription forms, with a smooth online form editor.

The online form builder also offers a few different templates you can customize or design from scratch in a few minutes, such as customer feedback or event registration forms.

Concerning customization, you can change the color of the header, upload photo files, or change the font of the survey questions.

Google Forms also like to keep it simple in the way that there are not many display customization options.

Nevertheless, it does offer a range of options for the types of responses you want, such as short text, checkboxes, and drop-down menu.

Best Online Form Builder Features

Google Forms’ strength lies in its data validation and data visualization options.

The results collected can be analyzed on the spot thanks to the charts automatically generated by the platform.

Also, I found it very convenient that I could connect responses to a Google Sheet so I could share it with my team.

Overall, the form builder is perfect for customer data collection, provided that this is what you’re looking for in your builder.


You can use Google Forms for free, or you can choose one of the three G Suite plans, starting at $6 monthly.

9. Paperform – Paid Online Form Builder

Paperform's online form builder tool

Paperform is a great tool for building beautiful forms that match your brand.

Things are pretty straightforward for the user here.

The online form builder comes with tons of different responsive form templates for you to choose from like:

  • wedding invitation templates
  • dinner reservations
  • customer feedback
  • real estate leads and more

Forms on Paperform are also easy to create.

You can simply add text and images, align your content, or add questions and response fields.

Form Builder Features

One of Paperform’s best features is that you can use more than 20 question types.

This way, you can create different types of forms to suit your needs.

When you are done with form creation, you can choose what happens after someone submits a form.

Receiving an email notification or displaying a success message, it’s your call!

What’s more, you can create smart forms that interact with your visitors by using conditional logic and calculation fields.

In my opinion, it’s a great choice for beginners looking for smart marketing tools, offering a wide range of integrations, including Moosend.


Paperform offers three different plans, starting at $15/month.

Despite the lack of a free plan, the online form builder offers a 14-day Pro Trial.

10. JotForm – Free Online Form Builder

JotForm online form builder tool page

JotForm is among the free online form builders but with certain limitations.

Nevertheless, the app has become famous for its vast collection of templates and simplified form builder.

In fact, they have more than 10.000 templates to choose from. So it’s hard not to find one that covers your needs.

With JotForm, you can choose between 2 different layout options:

  • an all-questions-on one-page form
  • a single question per page

Apart from using their templates, you can also create a form from scratch or import an existing form.

Form Builder Features

JotForm lets you create multi-page forms to improve user experience and collect more data to set your segmentation efforts in motion.

The templates and the layout options make JotForm ideal for A/B Testing to discover what form designs convert better.

The best JotForm feature, though, is its mobile-friendly forms.

In fact, the platform uses mobilefirst technology to make your forms look great on any device.

Perfect for creating forms on the spot, JotForm is a fast, flexible, user-friendly online form builder with tons of added plugins and integrations such as Salesforce, PayPal, and Insightly.


Jotform has a free starter plan that caps out at five forms. The online form builder also has three paid plans starting at $19/month.

11. MailOptin – Free Online Form Builder

Mailoptin web for builder webpage

MailOptin is a WordPress form builder plugin that makes your life easier if you need to increase your newsletter signup rate.

All you have to do is download and activate the plugin to start creating.

There are many different types of subscription forms to choose from, including:

  • popups
  • sidebars
  • floating bars

What’s more, the free form builder plugin equips you with several form templates which you can customize to your liking.

This means changing the image, effect, borders, colors, and even removing the plugin’s branding, which is a big plus if you ask me.

Form Builder Features

MailOptin offers a selection of great features like advanced trigger rules, robust reporting, and built-in analytics.

And of course, the ability to carry out A/B testing to determine the best-performing forms of yours is another big plus!

Offering the same features as other online form builder tools but for a better price, MailOptin is one of the best WordPress plugins to help you grow your business without too much hassle.

When it comes to integrations, Mailoptin integrates with a significant number of CRM’s, WordPress solutions, and popular email marketing providers such as ActiveCampaign, MailChimp, and Moosend.


You can download the online form plugin for free and get a nice selection of features. Alternatively, you can go for one of its three plans paid yearly, starting at $79.

12. Formstack – Paid Online Form Builder

example of Formstack's online form builder tool

Formstack is one of the best online form builders out there using conditional logic and offering a selection of helpful features to guide you within the builder.

You can either create your very own form or use a template and then customize it through the drag-and-drop editor.

The form builder also comes with a “reorder content” button that helps you rearrange your fields in a breeze.

You will also find a great set of features, such as custom branding and advanced reports; however, most of them are only available on higher-tier plans.

Form Builder Features

Formstack is a competent tool with a great theme builder that you’ll love if branding is your priority.

What won my heart was the various walkthroughs you get when you access the form editor.

This is a big plus for an online form builder because it’s extremely useful to know how to make the most of a platform and create precisely what you need without wasting your time.

Last but not least, Formstack offers a wide range of integration options like Google Analytics, Paypal, and Zapier and is ideal both for professionals and beginners.


Formstack offers five different monthly and annual paid plans and prices start at $19/month.

While the platform doesn’t offer a free plan, you can take advantage of the 14-day trial to test it out.

13. Optingun – Free Online Form Builder

Optingun's online form builder page

Optingun is a tool for everyone. Whether you are in eCommerce or B2B, you will find the right template for your needs.

Creating effective forms is very easy with the help of the drag-and-drop online form editor.

The app allows you to choose a template and place the elements of your choice where you’d like them!

What’s more, Optingun offers a variety of different forms and dynamic features such as:

  • one-click social signups
  • multi-frame forms
  • consent collectors

Form Builder Features

What makes Optingun stand out as a great online form builder is its ability to personalize opt-in forms using your visitor’s names.

Among others, the online form builder is perfect for A/B Testing your forms and monitoring their performance.

As a website-compatible app, you can also use Optingun to target visitors who are logged into social accounts and more!

The online form builder is perfect for capturing new leads and connecting them to your integrated CRMs or autoresponders to automate your operations.

Of course, your favorite tools are all there since Optingun integrates with tons of different platforms, including Moosend.


Optingun offers five different pricing plans, including a free plan. For the paid plans, prices start at $9 per month, and you can try any of them for 14 days.

14. Cognito Forms – Free Online Form Builder

Cognito forms web form builder tool

When it comes to using conditional logicCognito Forms is one of the best form builders to design advanced forms on a budget.

While you can create your form from scratch, Cognito Forms also has a wide range of powerful form templates to choose from.

They are all neatly arranged into categories, including:

  • event registration forms
  • non-profit forms
  • marketing forms
  • education forms and more

Then you can get to customization by adjusting their font, background colors, images, form width, and more.

What’s more, you can even create custom Word, Excel, or PDF documents to keep the data you collected organized. How cool is that?

Form Builder Features

If you are a developer, Cognito Forms is a great tool for you since the form builder supports advanced features such as:

  • calculations
  • webhooks
  • CSS styling

Fairly customizable, the builder helps you get more responses to long forms with page breaks, progress bars, and conditional pages to simplify data collection.

Also, Cognito Forms offers calculated fields, data encryption, secure online payments, and a great set of reporting tools, making powerful forms easy and straightforward to create.

This online form builder integrates with a bunch of third-party apps such as Zapier and WordPress so you can transfer your data to where it’s best for you.


Cognito Forms offers an individual free plan with limited storage and three paid plans starting at $10/month.

15. Formsite – Free Online Form Builder

Formsite's web form builder website

While it’s not the most attractive platform I’ve come across, Formsite is another free online form builder to get started with form building.

As one of the more basic builders, Formsite is often used for creating simple customer feedback or contact forms.

However, it also offers all the essential features you need for designing unique web forms to convert your audience in a breeze.

While it’s possible to create simple customer feedback and contact forms, I must say that Formsite is a platform for more tech-savvy users.

So, if you aren’t familiar with form logic, you might find it hard to get your way around this tool since there are no wizards or fancy drag-and-drop online form builder tools to get you started.

Nevertheless, Formsite will power up your form building efforts with a variety of ready-made templates to use, as well as a wide range of question types to help you.

Form Builder Features

What I appreciate in this online form builder is its security.

The platform lets you secure your form data by encrypting the text in specific form fields. This way, people without permission can’t view them.

You can also use encrypted fields to accept credit card information or ACH data directly.

What’s more, Formsite lets you link multiple forms together and move your users’ responses from one form to another, so they don’t have to refill them.

Overall, Formsite is great when it comes to making the most of data collection and market search, and I would recommend this platform to advanced users who want to create professional forms.

Regarding integrations, Formsite integrates with numerous apps such as Dropbox, Google Drive, Salesforce, and Zapier.


Formsite has a free plan that offers only five forms per month, with ten results per form.

Otherwise, you can choose between four paid plans, paid monthly or yearly, starting at $19.95. You can also get a free Pro trial for 14 days.

16. Pabbly Forms – Paid Online Form Builder

Pabbly Form Builder website example

Pabbly Form Builder is an affordable and effective form creator that doesn’t restrict you on features like form submissions, uploads, storage, etc.

It is a great tool for building beautiful and professional forms that can match your brand.

Pabbly’s builder lets you create your form either by choosing from a variety of templates or create your own through its drag-and-drop online form editor.

Moreover, it comes with a range of tools, including unlimited form submissions, embedding, online payments, Webhook, and more.

Form Builder Features

One of the best things about Pabbly is that it offers all these features without charging any additional fees.

If you get a form with Pabbly Form Builder, you’ll get everything you need to start with online form building.

You can easily customize your templates according to your needs.

What’s more, you can get more responses when you share your forms on any social media platform or embed them on your site.

Pabbly has additional advanced features like:

  • calculated fields
  • conditional logic
  • multi-step forms
  • data encryptions

The form builder allows you to collect one time and recurring payments via PayPal or Stripe.

It is also integrated with a bunch of third-party apps such as PayPal, Stripe, Pabbly Email Marketing, MailChimp, Google Analytics, and more to automate your workflow.

Overall, Pabbly’s tool is a great form building tool for both professionals and beginners.


Pabbly’s pricing starts at $15/month per form, including all the conversion rate optimization features you need.

Capture Your Business Future

So many options, so many possibilities!

It’s amazing how many tools there are out there to help you achieve your goals, even if you’ve never used a similar platform before.

And while all the tools I’ve listed are great, the one you will choose depends on your particular needs and objectives.

Before making up your mind, I suggest you take advantage of the free trial all builders offer.

So, why not try Moosend’s free online form builder and create unlimited forms today?

I’m sure you’re gonna love it 🙂

Now it’s time to create the best forms out there!

Go, go, go!

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