diff --git a/atlas/templates/atlas/partials/_series_tag_consistency.html b/atlas/templates/atlas/partials/_series_tag_consistency.html
index bbd8be34..66ebc3de 100644
--- a/atlas/templates/atlas/partials/_series_tag_consistency.html
+++ b/atlas/templates/atlas/partials/_series_tag_consistency.html
@@ -1,107 +1,194 @@
 {% load django_htmx %}
-<div id="series-tag-consistency-panel" class="d-flex flex-column gap-2">
-    <div class="d-flex flex-wrap gap-2 align-items-center">
-        <button type="button"
-                class="btn btn-outline-info btn-sm"
-                hx-get="{% url 'atlas:series_tag_consistency' pk=series.pk %}?analyze=1"
-                hx-target="#series-tag-consistency-panel"
-                hx-swap="outerHTML">
-            Analyze tag consistency
-        </button>
+<div id="series-tag-consistency-panel">
+    <div class="modal-header">
+        <h5 class="modal-title">Series Tag Consistency</h5>
+        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+    </div>
+
+    <div class="modal-body d-flex flex-column gap-3">
+        <div class="d-flex flex-wrap gap-2 align-items-center">
+            <button type="button"
+                    class="btn btn-outline-info btn-sm"
+                    hx-get="{% url 'atlas:series_tag_consistency' pk=series.pk %}?analyze=1"
+                    hx-target="#series-tag-consistency-panel"
+                    hx-swap="outerHTML">
+                Re-run analysis
+            </button>
+            {% if analyze_requested %}
+                <span class="small text-muted">Scanned {{ image_count }} image{{ image_count|pluralize }}</span>
+            {% endif %}
+        </div>
+
+        <div id="tag-consistency-split-result"></div>
+
         {% if analyze_requested %}
-            <span class="small text-muted">Scanned {{ image_count }} image{{ image_count|pluralize }}</span>
+            <div class="small d-flex flex-wrap gap-2">
+                <span class="badge text-bg-success">Same: {{ same_tags|length }}</span>
+                <span class="badge text-bg-warning">Different: {{ different_tags|length }}</span>
+                <span class="badge text-bg-secondary">Missing in some: {{ partial_tags|length }}</span>
+            </div>
+
+            <div>
+                <label for="tag-consistency-filter-{{ series.pk }}" class="form-label form-label-sm mb-1">Filter tags</label>
+                <input id="tag-consistency-filter-{{ series.pk }}" type="text" class="form-control form-control-sm" placeholder="Type to filter by tag name or value">
+            </div>
+
+            <details class="styled-detail" open>
+                <summary>Different tags (highlighted)</summary>
+                <div class="table-responsive mt-2">
+                    <table class="table table-sm table-striped align-middle mb-0">
+                        <thead>
+                            <tr>
+                                <th>Tag</th>
+                                <th>Unique values</th>
+                                <th>Sample values</th>
+                                <th>Split</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for row in different_tags %}
+                                <tr class="table-warning" data-filter-row="1">
+                                    <td>{{ row.tag_name }}</td>
+                                    <td>{{ row.unique_count }}</td>
+                                    <td>{{ row.sample_values|join:", " }}</td>
+                                    <td>
+                                        {% if can_split %}
+                                            <form method="post"
+                                                  action="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-post="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-target="#tag-consistency-split-result"
+                                                  hx-swap="innerHTML">
+                                                {% csrf_token %}
+                                                <input type="hidden" name="dicom_tag" value="{{ row.tag_name }}">
+                                                <button type="submit" class="btn btn-outline-warning btn-sm">Split</button>
+                                            </form>
+                                        {% else %}
+                                            <span class="text-muted small">No split access</span>
+                                        {% endif %}
+                                    </td>
+                                </tr>
+                            {% empty %}
+                                <tr>
+                                    <td colspan="4" class="text-muted">No tags vary across all images.</td>
+                                </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </details>
+
+            <details class="styled-detail">
+                <summary>Same tags</summary>
+                <div class="table-responsive mt-2">
+                    <table class="table table-sm table-striped align-middle mb-0">
+                        <thead>
+                            <tr>
+                                <th>Tag</th>
+                                <th>Value</th>
+                                <th>Split</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for row in same_tags %}
+                                <tr class="table-success" data-filter-row="1">
+                                    <td>{{ row.tag_name }}</td>
+                                    <td>{{ row.sample_values.0 }}</td>
+                                    <td>
+                                        {% if can_split %}
+                                            <form method="post"
+                                                  action="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-post="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-target="#tag-consistency-split-result"
+                                                  hx-swap="innerHTML">
+                                                {% csrf_token %}
+                                                <input type="hidden" name="dicom_tag" value="{{ row.tag_name }}">
+                                                <button type="submit" class="btn btn-outline-warning btn-sm">Split</button>
+                                            </form>
+                                        {% else %}
+                                            <span class="text-muted small">No split access</span>
+                                        {% endif %}
+                                    </td>
+                                </tr>
+                            {% empty %}
+                                <tr>
+                                    <td colspan="3" class="text-muted">No uniform tags found across all images.</td>
+                                </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </details>
+
+            <details class="styled-detail">
+                <summary>Missing in some images</summary>
+                <div class="table-responsive mt-2">
+                    <table class="table table-sm table-striped align-middle mb-0">
+                        <thead>
+                            <tr>
+                                <th>Tag</th>
+                                <th>Present in</th>
+                                <th>Unique values</th>
+                                <th>Split</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for row in partial_tags %}
+                                <tr class="table-secondary" data-filter-row="1">
+                                    <td>{{ row.tag_name }}</td>
+                                    <td>{{ row.present_count }}/{{ image_count }}</td>
+                                    <td>{{ row.unique_count }}</td>
+                                    <td>
+                                        {% if can_split %}
+                                            <form method="post"
+                                                  action="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-post="{% url 'atlas:series_split_by_tag' pk=series.pk %}"
+                                                  hx-target="#tag-consistency-split-result"
+                                                  hx-swap="innerHTML">
+                                                {% csrf_token %}
+                                                <input type="hidden" name="dicom_tag" value="{{ row.tag_name }}">
+                                                <button type="submit" class="btn btn-outline-warning btn-sm">Split</button>
+                                            </form>
+                                        {% else %}
+                                            <span class="text-muted small">No split access</span>
+                                        {% endif %}
+                                    </td>
+                                </tr>
+                            {% empty %}
+                                <tr>
+                                    <td colspan="4" class="text-muted">All scanned tags were present in every image.</td>
+                                </tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </details>
+        {% else %}
+            <p class="small text-muted mb-0">Run analysis to quickly highlight tags that are the same or different across the series.</p>
         {% endif %}
     </div>
 
-    {% if analyze_requested %}
-        <div class="small d-flex flex-wrap gap-2">
-            <span class="badge text-bg-success">Same: {{ same_tags|length }}</span>
-            <span class="badge text-bg-warning">Different: {{ different_tags|length }}</span>
-            <span class="badge text-bg-secondary">Missing in some: {{ partial_tags|length }}</span>
-        </div>
-
-        <details class="styled-detail" open>
-            <summary>Different tags (highlighted)</summary>
-            <div class="table-responsive mt-2">
-                <table class="table table-sm table-striped align-middle mb-0">
-                    <thead>
-                        <tr>
-                            <th>Tag</th>
-                            <th>Unique values</th>
-                            <th>Sample values</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        {% for row in different_tags %}
-                            <tr class="table-warning">
-                                <td>{{ row.tag_name }}</td>
-                                <td>{{ row.unique_count }}</td>
-                                <td>{{ row.sample_values|join:", " }}</td>
-                            </tr>
-                        {% empty %}
-                            <tr>
-                                <td colspan="3" class="text-muted">No tags vary across all images.</td>
-                            </tr>
-                        {% endfor %}
-                    </tbody>
-                </table>
-            </div>
-        </details>
-
-        <details class="styled-detail">
-            <summary>Same tags</summary>
-            <div class="table-responsive mt-2">
-                <table class="table table-sm table-striped align-middle mb-0">
-                    <thead>
-                        <tr>
-                            <th>Tag</th>
-                            <th>Value</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        {% for row in same_tags %}
-                            <tr class="table-success">
-                                <td>{{ row.tag_name }}</td>
-                                <td>{{ row.sample_values.0 }}</td>
-                            </tr>
-                        {% empty %}
-                            <tr>
-                                <td colspan="2" class="text-muted">No uniform tags found across all images.</td>
-                            </tr>
-                        {% endfor %}
-                    </tbody>
-                </table>
-            </div>
-        </details>
-
-        <details class="styled-detail">
-            <summary>Missing in some images</summary>
-            <div class="table-responsive mt-2">
-                <table class="table table-sm table-striped align-middle mb-0">
-                    <thead>
-                        <tr>
-                            <th>Tag</th>
-                            <th>Present in</th>
-                            <th>Unique values</th>
-                        </tr>
-                    </thead>
-                    <tbody>
-                        {% for row in partial_tags %}
-                            <tr class="table-secondary">
-                                <td>{{ row.tag_name }}</td>
-                                <td>{{ row.present_count }}/{{ image_count }}</td>
-                                <td>{{ row.unique_count }}</td>
-                            </tr>
-                        {% empty %}
-                            <tr>
-                                <td colspan="3" class="text-muted">All scanned tags were present in every image.</td>
-                            </tr>
-                        {% endfor %}
-                    </tbody>
-                </table>
-            </div>
-        </details>
-    {% else %}
-        <p class="small text-muted mb-0">Run analysis to quickly highlight tags that are the same or different across the series.</p>
-    {% endif %}
+    <div class="modal-footer">
+        <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">Close</button>
+    </div>
 </div>
+
+<script>
+    (function() {
+        const filterInput = document.getElementById("tag-consistency-filter-{{ series.pk }}");
+        if (!filterInput) {
+            return;
+        }
+
+        const rows = document.querySelectorAll("#series-tag-consistency-panel tr[data-filter-row='1']");
+
+        function applyFilter() {
+            const query = filterInput.value.trim().toLowerCase();
+            rows.forEach((row) => {
+                const text = row.textContent.toLowerCase();
+                row.style.display = text.includes(query) ? "" : "none";
+            });
+        }
+
+        filterInput.addEventListener("input", applyFilter);
+    })();
+</script>
diff --git a/atlas/templates/atlas/series_viewer.html b/atlas/templates/atlas/series_viewer.html
index e58947c4..3b7d1d66 100755
--- a/atlas/templates/atlas/series_viewer.html
+++ b/atlas/templates/atlas/series_viewer.html
@@ -195,11 +195,14 @@
                              hx-swap="outerHTML">
                             <span class="text-muted small">Loading split controls…</span>
                         </div>
-                        <div hx-get="{% url 'atlas:series_tag_consistency' pk=series.pk %}"
-                             hx-trigger="load"
-                             hx-swap="outerHTML">
-                            <span class="text-muted small">Loading tag analysis controls...</span>
-                        </div>
+                        <button class="btn btn-outline-info btn-sm"
+                                hx-get="{% url 'atlas:series_tag_consistency' pk=series.pk %}?analyze=1"
+                                hx-target="#series-tag-consistency-modal .modal-content"
+                                hx-swap="innerHTML"
+                                data-bs-toggle="modal"
+                                data-bs-target="#series-tag-consistency-modal">
+                            Analyze tag consistency
+                        </button>
                     </div>
                 </div>
 
@@ -244,6 +247,12 @@
         </div>
     </div>
 
+    <div id="series-tag-consistency-modal" class="modal modal-blur fade" tabindex="-1">
+        <div class="modal-dialog modal-dialog-centered modal-xl" style="max-width: 1200px;">
+            <div class="modal-content"></div>
+        </div>
+    </div>
+
 
     <script>
         $(document).ready(function () {
diff --git a/atlas/views.py b/atlas/views.py
index 6fb0a477..4990a020 100755
--- a/atlas/views.py
+++ b/atlas/views.py
@@ -3702,6 +3702,7 @@ def series_tag_consistency(request, pk):
     """
     series = get_object_or_404(Series, pk=pk)
     analyze_requested = request.GET.get("analyze") == "1"
+    can_split = series.check_user_can_edit(request.user)
 
     same_tags = []
     different_tags = []
@@ -3755,6 +3756,7 @@ def series_tag_consistency(request, pk):
         {
             "series": series,
             "analyze_requested": analyze_requested,
+            "can_split": can_split,
             "image_count": image_count,
             "same_tags": same_tags,
             "different_tags": different_tags,