diff --git a/apps/browser-extension/src/entrypoints/popup/hooks/useNavigationHistory.ts b/apps/browser-extension/src/entrypoints/popup/hooks/useNavigationHistory.ts
index 970041339..93dde57b6 100644
--- a/apps/browser-extension/src/entrypoints/popup/hooks/useNavigationHistory.ts
+++ b/apps/browser-extension/src/entrypoints/popup/hooks/useNavigationHistory.ts
@@ -1,5 +1,5 @@
 import { useEffect, useRef } from 'react';
-import { useLocation } from 'react-router-dom';
+import { useLocation, useNavigationType } from 'react-router-dom';
 
 /**
  * Return type for the useNavigationHistory hook.
@@ -19,9 +19,20 @@ interface INavigationHistory {
  */
 export const useNavigationHistory = (): INavigationHistory => {
   const location = useLocation();
+  const navigationType = useNavigationType();
   const historyRef = useRef<string[]>([]);
 
   useEffect(() => {
+    if (navigationType === 'REPLACE') {
+      // Mirror the replace in our tracked stack so the current entry stays accurate.
+      if (historyRef.current.length === 0) {
+        historyRef.current.push(location.pathname + location.search);
+      } else {
+        historyRef.current[historyRef.current.length - 1] = location.pathname + location.search;
+      }
+      return;
+    }
+
     const currentPath = location.pathname + location.search;
 
     // Check if this is a back/forward navigation by looking for the path in history
@@ -34,7 +45,7 @@ export const useNavigationHistory = (): INavigationHistory => {
       // New navigation - add to history
       historyRef.current.push(currentPath);
     }
-  }, [location]);
+  }, [location, navigationType]);
 
   /**
    * Find how many steps back we need to go to reach the target path.
diff --git a/apps/server/AliasVault.Client/Main/Pages/Items/Home.razor b/apps/server/AliasVault.Client/Main/Pages/Items/Home.razor
index dc9a93ecd..c0a2cb200 100644
--- a/apps/server/AliasVault.Client/Main/Pages/Items/Home.razor
+++ b/apps/server/AliasVault.Client/Main/Pages/Items/Home.razor
@@ -333,6 +333,15 @@ else
     [Parameter]
     public Guid? FolderId { get; set; }
 
+    /// <summary>
+    /// Gets or sets the filter from the URL query string.
+    /// Used to preserve the active filter when navigating into a folder so the folder view
+    /// matches the count shown on its pill.
+    /// </summary>
+    [Parameter]
+    [SupplyParameterFromQuery(Name = "filter")]
+    public string? FilterQuery { get; set; }
+
     /// <summary>
     /// Gets or sets whether the items are being loaded.
     /// </summary>
@@ -663,25 +672,33 @@ else
 
     /// <summary>
     /// Gets the title based on the active filter and folder.
+    /// An active filter takes precedence over the folder name so the title (and the
+    /// "Filtering by" pill) reflects what's actually being filtered — matching the
+    /// filter shown in the dropdown and the count in the header.
     /// </summary>
     private string GetFilterTitle()
     {
+        if (FilterType != ItemFilterType.All)
+        {
+            return FilterType switch
+            {
+                ItemFilterType.Passkeys => Localizer["FilterPasskeysOption"],
+                ItemFilterType.Attachments => Localizer["FilterAttachmentsOption"],
+                ItemFilterType.Totp => Localizer["FilterTotpOption"],
+                ItemFilterType.Login => ItemTypeSelectorLocalizer["TypeLogin"],
+                ItemFilterType.Alias => ItemTypeSelectorLocalizer["TypeAlias"],
+                ItemFilterType.CreditCard => ItemTypeSelectorLocalizer["TypeCreditCard"],
+                ItemFilterType.Note => ItemTypeSelectorLocalizer["TypeNote"],
+                _ => Localizer["PageTitle"],
+            };
+        }
+
         if (IsInFolder && !string.IsNullOrEmpty(CurrentFolderName))
         {
             return CurrentFolderName;
         }
 
-        return FilterType switch
-        {
-            ItemFilterType.Passkeys => Localizer["FilterPasskeysOption"],
-            ItemFilterType.Attachments => Localizer["FilterAttachmentsOption"],
-            ItemFilterType.Totp => Localizer["FilterTotpOption"],
-            ItemFilterType.Login => ItemTypeSelectorLocalizer["TypeLogin"],
-            ItemFilterType.Alias => ItemTypeSelectorLocalizer["TypeAlias"],
-            ItemFilterType.CreditCard => ItemTypeSelectorLocalizer["TypeCreditCard"],
-            ItemFilterType.Note => ItemTypeSelectorLocalizer["TypeNote"],
-            _ => Localizer["PageTitle"],
-        };
+        return Localizer["PageTitle"];
     }
 
     /// <summary>
@@ -716,14 +733,15 @@ else
     }
 
     /// <summary>
-    /// Sets the filter type and closes the dropdown.
+    /// Sets the filter type and closes the dropdown. The filter is reflected in the URL
+    /// query string so it persists across folder navigation and browser back/forward.
     /// </summary>
     private void SetFilter(ItemFilterType filterType)
     {
         FilterType = filterType;
         VisibleItemCount = BatchSize; // Reset visible items when filter changes
         ShowFilterDropdown = false;
-        StateHasChanged();
+        NavigationManager.NavigateTo(BuildItemsUrl(FolderId, filterType), replace: true);
     }
 
     /// <summary>
@@ -733,7 +751,21 @@ else
     {
         FilterType = ItemFilterType.All;
         VisibleItemCount = BatchSize; // Reset visible items when filter changes
-        StateHasChanged();
+        NavigationManager.NavigateTo(BuildItemsUrl(FolderId, ItemFilterType.All), replace: true);
+    }
+
+    /// <summary>
+    /// Builds the items list URL for a given folder and filter. The filter is always
+    /// included in the query string so the active filter persists across navigation,
+    /// including when navigating between folder views.
+    /// </summary>
+    /// <param name="folderId">The folder ID, or null for the root view.</param>
+    /// <param name="filterType">The active filter type.</param>
+    /// <returns>The URL to navigate to.</returns>
+    private static string BuildItemsUrl(Guid? folderId, ItemFilterType filterType)
+    {
+        var basePath = folderId.HasValue ? $"/items/folder/{folderId.Value}" : "/items";
+        return $"{basePath}?filter={filterType}";
     }
 
     /// <summary>
@@ -819,21 +851,22 @@ else
     }
 
     /// <summary>
-    /// Navigate to a folder.
+    /// Navigate to a folder, preserving the active filter so the folder view matches
+    /// the count shown on the folder pill.
     /// </summary>
     private void NavigateToFolder(Guid folderId)
     {
         VisibleItemCount = BatchSize; // Reset visible items when navigating to folder
-        NavigationManager.NavigateTo($"/items/folder/{folderId}");
+        NavigationManager.NavigateTo(BuildItemsUrl(folderId, FilterType));
     }
 
     /// <summary>
-    /// Navigate back to root.
+    /// Navigate back to root, preserving the active filter.
     /// </summary>
     private void NavigateToRoot()
     {
         VisibleItemCount = BatchSize; // Reset visible items when navigating to root
-        NavigationManager.NavigateTo("/items");
+        NavigationManager.NavigateTo(BuildItemsUrl(null, FilterType));
     }
 
     /// <summary>
@@ -958,14 +991,7 @@ else
             if (success)
             {
                 // Navigate to parent folder if it exists, otherwise root
-                if (parentFolderId.HasValue)
-                {
-                    NavigationManager.NavigateTo($"/items/folder/{parentFolderId.Value}");
-                }
-                else
-                {
-                    NavigationManager.NavigateTo("/items");
-                }
+                NavigationManager.NavigateTo(BuildItemsUrl(parentFolderId, FilterType));
             }
             else
             {
@@ -989,14 +1015,7 @@ else
             if (success)
             {
                 // Navigate to parent folder if it exists, otherwise root
-                if (parentFolderId.HasValue)
-                {
-                    NavigationManager.NavigateTo($"/items/folder/{parentFolderId.Value}");
-                }
-                else
-                {
-                    NavigationManager.NavigateTo("/items");
-                }
+                NavigationManager.NavigateTo(BuildItemsUrl(parentFolderId, FilterType));
             }
             else
             {
@@ -1010,6 +1029,12 @@ else
     {
         await base.OnParametersSetAsync();
 
+        // Sync the in-memory filter with the URL query so that browser back/forward and
+        // folder navigation preserve the active filter. Unknown values fall back to All.
+        FilterType = Enum.TryParse<ItemFilterType>(FilterQuery, ignoreCase: true, out var parsed)
+            ? parsed
+            : ItemFilterType.All;
+
         // Initialize table sort state from saved sort order
         SyncTableSortWithSortOrder();