K: Klaviyo Form Builder

Capture email signups & grow your audience with Klaviyo forms.

by Kaktus · Launched: May 2026 · Free plan available.

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Create Klaviyo signup forms to collect emails, capture leads, and grow your marketing list.

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About K: Klaviyo Form Builder

Klaviyo Form Builder helps you create custom forms that connect with your Klaviyo email marketing flows. Capture emails, signups, and customer details with popups, embedded forms, or floating forms designed to match your store. Use forms for newsletters, discounts, waitlists, and lead capture campaigns. Customize fields, layout, and styling without coding. Perfect for growing your list and improving customer communication. Set up in minutes and start collecting leads with ease. Klaviyo Integration: Sync collected data with Klaviyo for email & SMS marketing Flexible Field Options: Add email, phone, file upload and custom inputs Targeting&Triggers: Show forms based on behavior, timing or specific conditions Full Design Customization: Adjust layout, colors, typography to match your brand Multiple Form Types: Create popups, embedded forms to match different use cases Show more Show less

Last verified: July 21, 2026 · Fresh