diff --git a/web/templates/normalize_subjects_result.html b/web/templates/normalize_subjects_result.html
new file mode 100644
index 0000000..e93038d
--- /dev/null
+++ b/web/templates/normalize_subjects_result.html
@@ -0,0 +1,72 @@
+{% extends "base.html" %}
+{% block body_class %}themed-bg{% endblock %}
+
+{% block content %}
+<div class="container">
+  <h1 class="page-title">Subject Normalizer</h1>
+
+  <div class="card" style="padding:16px; margin-bottom:16px;">
+    <div class="meta-grid">
+      <div>
+        <div class="meta-label">Mode</div>
+        <div class="subject-title" style="margin:0">
+          {% if applied %}Applied (saved to DB){% else %}Preview (dry-run){% endif %}
+        </div>
+      </div>
+      <div>
+        <div class="meta-label">Entries changed{% if not applied %} (would change){% endif %}</div>
+        <div class="subject-title" style="margin:0">{{ changed }}</div>
+      </div>
+      <div>
+        <div class="meta-label">Warnings</div>
+        <div class="subject-title" style="margin:0">{{ warnings_total }}</div>
+      </div>
+    </div>
+    {% if limit %}
+      <div class="small muted" style="margin-top:8px;">Preview limit: {{ limit }}</div>
+    {% endif %}
+  </div>
+
+  <div class="card" style="padding:16px; margin-bottom:16px;">
+    <div class="meta-label">Preview (first 100 changes)</div>
+    <div class="small muted" style="margin:6px 0 10px;">
+      Showing the first 100 entries that {% if applied %}were{% else %}would be{% endif %} changed.
+    </div>
+    <div style="overflow:auto;">
+      <table class="table">
+        <thead>
+          <tr><th style="width:80px;">ID</th><th>Before</th><th>After</th></tr>
+        </thead>
+        <tbody>
+          {% for row in preview %}
+            <tr>
+              <td class="small">{{ row.0 }}</td>
+              <td><code>{{ row.1 }}</code></td>
+              <td><code>{{ row.2 }}</code></td>
+            </tr>
+          {% empty %}
+            <tr><td colspan="3" class="muted">No changes detected.</td></tr>
+          {% endfor %}
+        </tbody>
+      </table>
+    </div>
+
+    <div class="result-toolbar" style="margin-top:12px;">
+      <div class="rt-left">
+        <a class="btn btn-secondary" href="{% url 'stats' %}">← Back to Statistics</a>
+      </div>
+      <div class="rt-right">
+        {% if not applied and user.is_authenticated and user.is_staff %}
+          <form method="post" action="{% url 'normalize_subjects' %}">
+            {% csrf_token %}
+            <button class="btn btn-danger"
+              onclick="return confirm('Apply subject normalization to ALL entries? This will modify the subject field across the database. Make a backup first.')">
+              Apply to all
+            </button>
+          </form>
+        {% endif %}
+      </div>
+    </div>
+  </div>
+</div>
+{% endblock %}
\ No newline at end of file