diff --git a/doc2man/preview.py b/doc2man/preview.py
new file mode 100644
index 0000000..f67a67e
--- /dev/null
+++ b/doc2man/preview.py
@@ -0,0 +1,177 @@
+"""Terminal preview module for Doc2Man."""
+
+from typing import Any, Dict, List
+
+from rich.console import Console
+from rich.markdown import Markdown
+from rich.panel import Panel
+from rich.pretty import Pretty
+from rich.syntax import Syntax
+from rich.table import Table
+
+
+def preview_output(parsed_data: Dict[str, Any], format: str, console: Console) -> None:
+    """Preview parsed documentation in the terminal."""
+    if format == "markdown":
+        preview_markdown(parsed_data, console)
+    elif format == "man":
+        preview_man(parsed_data, console)
+    elif format == "html":
+        preview_html(parsed_data, console)
+    else:
+        console.print(Pretty(parsed_data))
+
+
+def preview_markdown(parsed_data: Dict[str, Any], console: Console) -> None:
+    """Preview documentation as markdown."""
+    lines = []
+
+    if "title" in parsed_data:
+        lines.append(f"# {parsed_data['title']}")
+        lines.append("")
+
+    if "description" in parsed_data:
+        lines.append(parsed_data["description"])
+        lines.append("")
+
+    if "functions" in parsed_data:
+        for func in parsed_data["functions"]:
+            lines.append(f"## {func.get('name', 'Unknown')}")
+            lines.append("")
+
+            if "description" in func:
+                lines.append(func["description"])
+                lines.append("")
+
+            if "args" in func.get("params", []):
+                lines.append("### Parameters")
+                lines.append("")
+                for param in func["params"]:
+                    name = param.get("name", "Unknown")
+                    param_type = param.get("type", "")
+                    desc = param.get("description", "")
+                    lines.append(f"- `{name}`" + (f": `{param_type}`" if param_type else "") + f" — {desc}")
+                lines.append("")
+
+            if "returns" in func:
+                ret = func["returns"]
+                ret_type = ret.get("type", "")
+                ret_desc = ret.get("description", "")
+                lines.append("### Returns")
+                lines.append("")
+                lines.append(f"{ret_type}: {ret_desc}" if ret_type else ret_desc)
+                lines.append("")
+
+            if "examples" in func.get("examples", []):
+                lines.append("### Examples")
+                lines.append("")
+                for example in func["examples"]:
+                    lines.append("```python")
+                    lines.append(example)
+                    lines.append("```")
+                    lines.append("")
+
+    markdown_text = "\n".join(lines)
+    md = Markdown(markdown_text)
+    console.print(md)
+
+
+def preview_man(parsed_data: Dict[str, Any], console: Console) -> None:
+    """Preview documentation in man page format."""
+    lines = []
+
+    if "title" in parsed_data:
+        lines.append(f".TH {parsed_data['title'].upper().replace(' ', '_')} 1")
+        lines.append("")
+
+    if "functions" in parsed_data:
+        for func in parsed_data["functions"]:
+            name = func.get("name", "Unknown")
+            lines.append(f".SH NAME")
+            lines.append(f"{name}")
+            lines.append("")
+
+            if "description" in func:
+                lines.append(".SH DESCRIPTION")
+                lines.append(func["description"])
+                lines.append("")
+
+            if func.get("params", []):
+                lines.append(".SH OPTIONS")
+                for param in func["params"]:
+                    name = param.get("name", "")
+                    desc = param.get("description", "")
+                    lines.append(f".TP")
+                    lines.append(f".B {name}")
+                    lines.append(desc)
+                lines.append("")
+
+            if "examples" in func.get("examples", []):
+                lines.append(".SH EXAMPLES")
+                for example in func["examples"]:
+                    lines.append(".IP")
+                    lines.append(example)
+                lines.append("")
+
+    man_text = "\n".join(lines)
+    syntax = Syntax(man_text, "groff", theme="monokai", line_numbers=False)
+    console.print(Panel(syntax, title="Man Page Preview"))
+
+
+def preview_html(parsed_data: Dict[str, Any], console: Console) -> None:
+    """Preview documentation as HTML (rendered or source)."""
+    lines = ["<html>", "<body>"]
+
+    if "title" in parsed_data:
+        lines.append(f"<h1>{parsed_data['title']}</h1>")
+
+    if "description" in parsed_data:
+        lines.append(f"<p>{parsed_data['description']}</p>")
+
+    if "functions" in parsed_data:
+        for func in parsed_data["functions"]:
+            name = func.get("name", "Unknown")
+            lines.append(f"<h2>{name}</h2>")
+
+            if "description" in func:
+                lines.append(f"<p>{func['description']}</p>")
+
+            if func.get("params", []):
+                lines.append("<h3>Parameters</h3>")
+                lines.append("<ul>")
+                for param in func["params"]:
+                    name = param.get("name", "Unknown")
+                    param_type = param.get("type", "")
+                    desc = param.get("description", "")
+                    lines.append(f"<li><code>{name}</code>" + (f" ({param_type})" if param_type else "") + f": {desc}</li>")
+                lines.append("</ul>")
+
+            if "examples" in func.get("examples", []):
+                lines.append("<h3>Examples</h3>")
+                lines.append("<pre><code>")
+                for example in func["examples"]:
+                    lines.append(example)
+                lines.append("</code></pre>")
+
+    lines.append("</body>")
+    lines.append("</html>")
+
+    html_text = "\n".join(lines)
+    syntax = Syntax(html_text, "html", theme="monokai", line_numbers=False)
+    console.print(Panel(syntax, title="HTML Preview"))
+
+
+def display_metadata(metadata: Dict[str, Any], console: Console) -> None:
+    """Display parsed metadata for debugging."""
+    table = Table(title="Parsed Metadata")
+    table.add_column("Key", style="cyan")
+    table.add_column("Value", style="magenta")
+
+    for key, value in metadata.items():
+        if isinstance(value, (list, dict)):
+            value_str = str(value)[:100] + "..." if len(str(value)) > 100 else str(value)
+        else:
+            value_str = str(value)
+        table.add_row(key, value_str)
+
+    console.print(table)