EDM Compatibility Tool

Static, browser-only HTML email compatibility checks.

Files are processed locally in your browser. Nothing is uploaded.

HTML Input + Live Preview

Drop HTML file here

or click to select a file

Drop an HTML file here or click to select one.

  • Upload/Drop: valid HTML auto-loads and auto-analyzes.
  • Paste/Edit: click Analyze to re-run checks.
  • Preview: use Desktop/Mobile, Refresh, and Full Preview controls.

Live Preview

Desktop viewport (700px)

No HTML loaded yet. Upload/drop a file or paste HTML to start preview.

Compatibility Results

Awaiting analysis. Upload/drop or paste HTML, then analyze.

Issue Explanation Panel

Run analysis to see issues, impact, and recommended fixes.

Diagnostics

No diagnostics yet. Run analysis to generate client/check coverage details.

Compatibility Report Output

Run analysis to generate report output for sharing.