HTML Email Editor & Preview
Write HTML email code and preview it live across devices
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
This tool lets you write raw HTML email source code and instantly see how it renders, side by side. It's handy for marketers and developers building table-based newsletter templates who want to check the layout before sending, and since everything runs in your browser, your code is never uploaded to a server.
How to use
- Paste or type your HTML email source code into the editor field.
- Watch the preview panel update automatically as you edit.
- Switch between Mobile (375px), Tablet (768px), and PC (100%) tabs to check the layout at each width.
- Fix any layout issues in the code, then copy the finished HTML for use in your email sending tool.
FAQ
- Is my HTML code sent to a server?
- No. The code is rendered only in a local iframe inside your browser and is never uploaded or stored anywhere.
- Does the preview match real email clients like Gmail or Outlook exactly?
- The preview reflects standard browser rendering. Actual email clients support CSS differently, so testing in a real client before sending is still recommended.
- Can I start from the default template?
- Yes, the editor loads with a sample table-based newsletter template you can edit directly.