Free HTML Email Template Builder - Drag & Drop Responsive Email Generator

Build responsive, cross-client HTML email newsletters, promotional blasts, and transactional emails with an interactive drag-and-drop editor, pre-made templates, and clean HTML export. Compatible with Mailchimp, Klaviyo, SendGrid, ActiveCampaign, Constant Contact, Gmail, and Outlook.

1. Step 1: Choose a pre-designed email template preset (E-Commerce Promo, Product Launch, Newsletter, Welcome Series, Event Invitation) or start with a clean canvas.
2. Step 2: Drag and drop content blocks into your template layout: Headers, Hero Banners, Headings, Paragraphs, CTA Buttons, 2-Column or 3-Column feature grids, Article Rows, Callout Boxes, Promo Coupon Codes, Dividers, Spacers, Social Media links, and Custom Raw HTML.
3. Step 3: Customize colors, typography, background shading, button radii, logo URLs, images, padding, and alignments using the live Inspector panel.
4. Step 4: Switch between Desktop (600px centered) and Mobile (375px responsive) preview modes to verify layout responsiveness across device viewports.
5. Step 5: Preview the live compiled HTML code, test with inline CSS rendering, and download the standalone .html file or copy raw HTML code for your ESP (Mailchimp, Klaviyo, SendGrid).

Why do HTML emails require table-based layouts instead of modern CSS Flexbox/Grid?

Desktop email clients like Microsoft Outlook (Word rendering engine) and desktop webmails do not fully support CSS Flexbox, Grid, or modern CSS positioning. Table structures with inline CSS attributes ensure 100% consistent rendering across all 50+ major email clients.

Is the generated HTML email code compatible with Mailchimp, Klaviyo, and SendGrid?

Yes! The exported HTML code uses standard inline CSS, table structures, responsive @media queries, and universal img tags. You can paste the code directly into any Email Service Provider (ESP) including Mailchimp, Klaviyo, SendGrid, ActiveCampaign, HubSpot, and ConvertKit.

How does the builder ensure emails look great on mobile phones?

All templates utilize responsive table widths (max-width 600px with 100% fluid mobile fallback), scalable fluid typography, touch-friendly CTA buttons (minimum 44px height), and inline CSS styles optimized for small screens.

Can I include custom raw HTML or custom CSS styling?

Yes! Use the "Raw HTML Block" to insert custom HTML code, dynamic ESP merge tags (like *|FNAME|* or {{first_name}}), custom tracking pixels, or specialized formatting.

Are image URLs stored or uploaded to Checkistan servers?

No. Image URL references are held directly in your browser memory and compiled into standard <img src="..."> tags inside your exported HTML email. Your content remains 100% private and client-side.

How do I test my HTML email template before sending it to subscribers?

Copy the exported HTML code and send a test email using your ESP (or tools like Mailtrap or Litmus), or simply open the downloaded .html file in any web browser and email client.