diff --git a/web_server.py b/web_server.py
index 18b3f8ef..59fc7d06 100644
--- a/web_server.py
+++ b/web_server.py
@@ -12474,6 +12474,77 @@ def library_delete_track(track_id):
         return jsonify({"success": False, "error": str(e)}), 500
 
 
+@app.route('/api/library/artist/<int:artist_id>/sync', methods=['POST'])
+def sync_artist_library(artist_id):
+    """Validate an artist's library entries — remove stale tracks/albums, recount."""
+    try:
+        database = get_database()
+        with database._get_connection() as conn:
+            cursor = conn.cursor()
+
+            # Get all tracks for this artist
+            cursor.execute("""
+                SELECT t.id, t.file_path, t.title, t.album_id
+                FROM tracks t WHERE t.artist_id = ?
+            """, (artist_id,))
+            tracks = cursor.fetchall()
+
+            # Get artist name for logging
+            cursor.execute("SELECT name FROM artists WHERE id = ?", (artist_id,))
+            artist_row = cursor.fetchone()
+            artist_name = artist_row['name'] if artist_row else f'ID {artist_id}'
+
+            stale_tracks = []
+            valid_tracks = 0
+
+            for track in tracks:
+                file_path = track['file_path']
+                if not file_path:
+                    stale_tracks.append(track['id'])
+                    continue
+
+                # Check if file exists on disk
+                resolved = _resolve_library_file_path(file_path)
+                if resolved and os.path.exists(resolved):
+                    valid_tracks += 1
+                else:
+                    stale_tracks.append(track['id'])
+
+            # Remove stale tracks
+            if stale_tracks:
+                placeholders = ','.join('?' for _ in stale_tracks)
+                cursor.execute(f"DELETE FROM tracks WHERE id IN ({placeholders})", stale_tracks)
+
+            # Remove empty albums (no tracks left from ANY artist)
+            cursor.execute("""
+                DELETE FROM albums WHERE artist_id = ?
+                AND id NOT IN (SELECT DISTINCT album_id FROM tracks)
+            """, (artist_id,))
+            empty_albums_removed = cursor.rowcount
+
+            # Update track_count on remaining albums
+            cursor.execute("""
+                UPDATE albums SET track_count = (
+                    SELECT COUNT(*) FROM tracks WHERE tracks.album_id = albums.id
+                ) WHERE artist_id = ?
+            """, (artist_id,))
+
+            conn.commit()
+
+            print(f"🔄 [Artist Sync] {artist_name}: {valid_tracks} valid, {len(stale_tracks)} stale removed, {empty_albums_removed} empty albums cleaned")
+
+            return jsonify({
+                "success": True,
+                "artist_name": artist_name,
+                "valid_tracks": valid_tracks,
+                "stale_removed": len(stale_tracks),
+                "empty_albums_removed": empty_albums_removed
+            })
+
+    except Exception as e:
+        print(f"❌ Error syncing artist {artist_id}: {e}")
+        return jsonify({"success": False, "error": str(e)}), 500
+
 @app.route('/api/library/album/<album_id>', methods=['DELETE'])
 def library_delete_album(album_id):
     """Delete an album and all its tracks from the database (does NOT delete files on disk)."""
diff --git a/webui/static/script.js b/webui/static/script.js
index 4eb40b17..0d2a1584 100644
--- a/webui/static/script.js
+++ b/webui/static/script.js
@@ -40669,6 +40669,39 @@ function renderArtistMetaPanel(artist) {
         headerRight.appendChild(enrichWrap);
     }
 
+    // Sync / Validate button
+    const syncBtn = document.createElement('button');
+    syncBtn.className = 'enhanced-sync-btn';
+    syncBtn.innerHTML = '&#x1f504; Sync';
+    syncBtn.title = 'Validate files — removes stale entries for tracks no longer on disk';
+    syncBtn.onclick = async (e) => {
+        e.stopPropagation();
+        syncBtn.disabled = true;
+        syncBtn.textContent = 'Syncing...';
+        try {
+            const res = await fetch(`/api/library/artist/${artist.id}/sync`, { method: 'POST' });
+            const data = await res.json();
+            if (data.success) {
+                const parts = [];
+                if (data.stale_removed > 0) parts.push(`${data.stale_removed} stale tracks removed`);
+                if (data.empty_albums_removed > 0) parts.push(`${data.empty_albums_removed} empty albums cleaned`);
+                if (parts.length === 0) parts.push('All files verified');
+                showToast(`${data.artist_name}: ${parts.join(', ')}`, 'success');
+                // Refresh enhanced view if anything changed
+                if (data.stale_removed > 0 || data.empty_albums_removed > 0) {
+                    loadEnhancedViewData(artist.id);
+                }
+            } else {
+                showToast(`Sync failed: ${data.error}`, 'error');
+            }
+        } catch (err) {
+            showToast(`Sync failed: ${err.message}`, 'error');
+        }
+        syncBtn.disabled = false;
+        syncBtn.innerHTML = '&#x1f504; Sync';
+    };
+    headerRight.appendChild(syncBtn);
+
     header.appendChild(headerRight);
 
     panel.appendChild(header);
diff --git a/webui/static/style.css b/webui/static/style.css
index 907041c0..e9571e1f 100644
--- a/webui/static/style.css
+++ b/webui/static/style.css
@@ -40589,6 +40589,31 @@ textarea.enhanced-meta-field-input {
     background: rgba(var(--accent-rgb), 0.15);
     border-color: rgba(var(--accent-rgb), 0.35);
 }
+
+.enhanced-sync-btn {
+    background: rgba(255, 255, 255, 0.04);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    color: rgba(255, 255, 255, 0.7);
+    padding: 8px 16px;
+    border-radius: 8px;
+    font-size: 12px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    font-family: inherit;
+}
+
+.enhanced-sync-btn:hover {
+    background: rgba(255, 255, 255, 0.08);
+    border-color: rgba(255, 255, 255, 0.2);
+    color: #fff;
+}
+
+.enhanced-sync-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
 .enhanced-enrich-btn.small {
     padding: 5px 12px;
     font-size: 11px;