diff --git a/Dalamud/Interface/Internal/Windows/Data/DataWindow.cs b/Dalamud/Interface/Internal/Windows/Data/DataWindow.cs
index 2449cab1c..7678b395e 100644
--- a/Dalamud/Interface/Internal/Windows/Data/DataWindow.cs
+++ b/Dalamud/Interface/Internal/Windows/Data/DataWindow.cs
@@ -43,6 +43,7 @@ internal class DataWindow : Window, IDisposable
         new HookWidget(),
         new IconBrowserWidget(),
         new ImGuiWidget(),
+        new InventoryWidget(),
         new KeyStateWidget(),
         new MarketBoardWidget(),
         new NetworkMonitorWidget(),
diff --git a/Dalamud/Interface/Internal/Windows/Data/Widgets/InventoryWidget.cs b/Dalamud/Interface/Internal/Windows/Data/Widgets/InventoryWidget.cs
new file mode 100644
index 000000000..ac576da77
--- /dev/null
+++ b/Dalamud/Interface/Internal/Windows/Data/Widgets/InventoryWidget.cs
@@ -0,0 +1,405 @@
+using System.Buffers.Binary;
+using System.Numerics;
+using System.Text;
+
+using Dalamud.Data;
+using Dalamud.Game.Inventory;
+using Dalamud.Game.Text;
+using Dalamud.Interface.Textures;
+using Dalamud.Interface.Textures.Internal;
+using Dalamud.Interface.Utility;
+using Dalamud.Interface.Utility.Raii;
+
+using FFXIVClientStructs.FFXIV.Client.Game;
+
+using ImGuiNET;
+
+using Lumina.Excel.Sheets;
+
+namespace Dalamud.Interface.Internal.Windows.Data.Widgets;
+
+#pragma warning disable SeStringRenderer
+
+/// <summary>
+/// Widget for displaying inventory data.
+/// </summary>
+internal class InventoryWidget : IDataWindowWidget
+{
+    private DataManager dataManager;
+    private TextureManager textureManager;
+    private InventoryType? selectedInventoryType = InventoryType.Inventory1;
+
+    /// <inheritdoc/>
+    public string[]? CommandShortcuts { get; init; } = ["inv", "inventory"];
+
+    /// <inheritdoc/>
+    public string DisplayName { get; init; } = "Inventory";
+
+    /// <inheritdoc/>
+    public bool Ready { get; set; }
+
+    /// <inheritdoc/>
+    public void Load()
+    {
+        this.Ready = true;
+    }
+
+    /// <inheritdoc/>
+    public void Draw()
+    {
+        this.dataManager ??= Service<DataManager>.Get();
+        this.textureManager ??= Service<TextureManager>.Get();
+
+        this.DrawInventoryTypeList();
+
+        if (this.selectedInventoryType == null)
+            return;
+
+        ImGui.SameLine(0, ImGui.GetStyle().ItemInnerSpacing.X);
+
+        this.DrawInventoryType((InventoryType)this.selectedInventoryType);
+    }
+
+    private static string StripSoftHypen(string input)
+    {
+        return input.Replace("\u00AD", string.Empty);
+    }
+
+    private unsafe void DrawInventoryTypeList()
+    {
+        using var table = ImRaii.Table("InventoryTypeTable", 2, ImGuiTableFlags.RowBg | ImGuiTableFlags.Borders | ImGuiTableFlags.ScrollY | ImGuiTableFlags.NoSavedSettings, new Vector2(300, -1));
+        if (!table) return;
+
+        ImGui.TableSetupColumn("Type");
+        ImGui.TableSetupColumn("Size", ImGuiTableColumnFlags.WidthFixed, 40);
+        ImGui.TableSetupScrollFreeze(2, 1);
+        ImGui.TableHeadersRow();
+
+        foreach (var inventoryType in Enum.GetValues<InventoryType>())
+        {
+            var items = GameInventoryItem.GetReadOnlySpanOfInventory((GameInventoryType)inventoryType);
+
+            using var itemDisabled = ImRaii.Disabled(items.IsEmpty);
+
+            ImGui.TableNextRow();
+            ImGui.TableNextColumn(); // Type
+            if (ImGui.Selectable(inventoryType.ToString(), this.selectedInventoryType == inventoryType, ImGuiSelectableFlags.SpanAllColumns))
+            {
+                this.selectedInventoryType = inventoryType;
+            }
+
+            using (var contextMenu = ImRaii.ContextPopupItem($"##InventoryContext{inventoryType}"))
+            {
+                if (contextMenu)
+                {
+                    if (ImGui.MenuItem("Copy Name"))
+                    {
+                        ImGui.SetClipboardText(inventoryType.ToString());
+                    }
+
+                    if (ImGui.MenuItem("Copy Address"))
+                    {
+                        var container = InventoryManager.Instance()->GetInventoryContainer(inventoryType);
+                        ImGui.SetClipboardText($"0x{(nint)container:X}");
+                    }
+                }
+            }
+
+            ImGui.TableNextColumn(); // Size
+            ImGui.TextUnformatted(items.Length.ToString());
+        }
+    }
+
+    private unsafe void DrawInventoryType(InventoryType inventoryType)
+    {
+        var items = GameInventoryItem.GetReadOnlySpanOfInventory((GameInventoryType)inventoryType);
+        if (items.IsEmpty)
+        {
+            ImGui.TextUnformatted($"{inventoryType} is empty.");
+            return;
+        }
+
+        using var itemTable = ImRaii.Table("InventoryItemTable", 4, ImGuiTableFlags.RowBg | ImGuiTableFlags.Borders | ImGuiTableFlags.ScrollY | ImGuiTableFlags.NoSavedSettings);
+        if (!itemTable) return;
+        ImGui.TableSetupColumn("Slot", ImGuiTableColumnFlags.WidthFixed, 40);
+        ImGui.TableSetupColumn("ItemId", ImGuiTableColumnFlags.WidthFixed, 70);
+        ImGui.TableSetupColumn("Quantity", ImGuiTableColumnFlags.WidthFixed, 70);
+        ImGui.TableSetupColumn("Item");
+        ImGui.TableSetupScrollFreeze(0, 1);
+        ImGui.TableHeadersRow();
+
+        for (var slotIndex = 0; slotIndex < items.Length; slotIndex++)
+        {
+            var item = items[slotIndex];
+
+            using var disableditem = ImRaii.Disabled(item.ItemId == 0);
+
+            ImGui.TableNextRow();
+            ImGui.TableNextColumn(); // Slot
+            ImGui.TextUnformatted(slotIndex.ToString());
+
+            ImGui.TableNextColumn(); // ItemId
+            ImGuiHelpers.ClickToCopyText(item.ItemId.ToString());
+
+            ImGui.TableNextColumn(); // Quantity
+            ImGuiHelpers.ClickToCopyText(item.Quantity.ToString());
+
+            ImGui.TableNextColumn(); // Item
+            if (item.ItemId != 0 && item.Quantity != 0)
+            {
+                var itemName = this.GetItemName(item.ItemId);
+                var iconId = this.GetItemIconId(item.ItemId);
+
+                if (item.IsHq)
+                    itemName += " " + SeIconChar.HighQuality.ToIconString();
+
+                if (this.textureManager.Shared.TryGetFromGameIcon(new GameIconLookup(iconId, item.IsHq), out var tex) && tex.TryGetWrap(out var texture, out _))
+                {
+                    ImGui.Image(texture.ImGuiHandle, new Vector2(ImGui.GetTextLineHeight()));
+
+                    if (ImGui.IsItemHovered())
+                    {
+                        ImGui.SetMouseCursor(ImGuiMouseCursor.Hand);
+                        ImGui.BeginTooltip();
+                        ImGui.TextUnformatted("Click to copy IconId");
+                        ImGui.TextUnformatted($"ID: {iconId} – Size: {texture.Width}x{texture.Height}");
+                        ImGui.Image(texture.ImGuiHandle, new(texture.Width, texture.Height));
+                        ImGui.EndTooltip();
+                    }
+
+                    if (ImGui.IsItemClicked())
+                        ImGui.SetClipboardText(iconId.ToString());
+                }
+
+                ImGui.SameLine();
+
+                using var itemNameColor = ImRaii.PushColor(ImGuiCol.Text, this.GetItemRarityColor(item.ItemId));
+                using var node = ImRaii.TreeNode($"{itemName}###{inventoryType}_{slotIndex}", ImGuiTreeNodeFlags.SpanAvailWidth);
+                itemNameColor.Dispose();
+
+                using (var contextMenu = ImRaii.ContextPopupItem($"{inventoryType}_{slotIndex}_ContextMenu"))
+                {
+                    if (contextMenu)
+                    {
+                        if (ImGui.MenuItem("Copy Name"))
+                        {
+                            ImGui.SetClipboardText(itemName);
+                        }
+                    }
+                }
+
+                if (!node) continue;
+
+                using var itemInfoTable = ImRaii.Table($"{inventoryType}_{slotIndex}_Table", 2, ImGuiTableFlags.BordersInner | ImGuiTableFlags.NoSavedSettings);
+                if (!itemInfoTable) continue;
+
+                ImGui.TableSetupColumn("Name", ImGuiTableColumnFlags.WidthFixed, 150);
+                ImGui.TableSetupColumn("Value");
+                // ImGui.TableHeadersRow();
+
+                static void AddKeyValueRow(string fieldName, string value)
+                {
+                    ImGui.TableNextRow();
+                    ImGui.TableNextColumn();
+                    ImGui.TextUnformatted(fieldName);
+                    ImGui.TableNextColumn();
+                    ImGuiHelpers.ClickToCopyText(value);
+                }
+
+                static void AddValueValueRow(string value1, string value2)
+                {
+                    ImGui.TableNextRow();
+                    ImGui.TableNextColumn();
+                    ImGuiHelpers.ClickToCopyText(value1);
+                    ImGui.TableNextColumn();
+                    ImGuiHelpers.ClickToCopyText(value2);
+                }
+
+                AddKeyValueRow("ItemId", item.ItemId.ToString());
+                AddKeyValueRow("Quantity", item.Quantity.ToString());
+                AddKeyValueRow("GlamourId", item.GlamourId.ToString());
+
+                if (!this.IsEventItem(item.ItemId))
+                {
+                    AddKeyValueRow(item.IsCollectable ? "Collectability" : "Spiritbond", item.Spiritbond.ToString());
+
+                    if (item.CrafterContentId != 0)
+                        AddKeyValueRow("CrafterContentId", item.CrafterContentId.ToString());
+                }
+
+                var flagsBuilder = new StringBuilder();
+
+                if (item.IsHq)
+                {
+                    flagsBuilder.Append("IsHq");
+                }
+
+                if (item.IsCompanyCrestApplied)
+                {
+                    if (flagsBuilder.Length != 0)
+                        flagsBuilder.Append(", ");
+
+                    flagsBuilder.Append("IsCompanyCrestApplied");
+                }
+
+                if (item.IsRelic)
+                {
+                    if (flagsBuilder.Length != 0)
+                        flagsBuilder.Append(", ");
+
+                    flagsBuilder.Append("IsRelic");
+                }
+
+                if (item.IsCollectable)
+                {
+                    if (flagsBuilder.Length != 0)
+                        flagsBuilder.Append(", ");
+
+                    flagsBuilder.Append("IsCollectable");
+                }
+
+                if (flagsBuilder.Length == 0)
+                    flagsBuilder.Append("None");
+
+                AddKeyValueRow("Flags", flagsBuilder.ToString());
+
+                if (this.IsNormalItem(item.ItemId) && this.dataManager.Excel.GetSheet<Item>().TryGetRow(item.ItemId, out var itemRow))
+                {
+                    if (itemRow.DyeCount > 0)
+                    {
+                        ImGui.TableNextRow();
+                        ImGui.TableNextColumn();
+                        ImGui.TextUnformatted("Stains");
+                        ImGui.TableNextColumn();
+
+                        using var stainTable = ImRaii.Table($"{inventoryType}_{slotIndex}_StainTable", 2, ImGuiTableFlags.BordersInner | ImGuiTableFlags.NoSavedSettings);
+                        if (!stainTable) continue;
+
+                        ImGui.TableSetupColumn("Stain Id", ImGuiTableColumnFlags.WidthFixed, 80);
+                        ImGui.TableSetupColumn("Name");
+                        ImGui.TableHeadersRow();
+
+                        for (var i = 0; i < itemRow.DyeCount; i++)
+                        {
+                            AddValueValueRow(item.Stains[i].ToString(), this.GetStainName(item.Stains[i]));
+                        }
+                    }
+
+                    if (itemRow.MateriaSlotCount > 0)
+                    {
+                        ImGui.TableNextRow();
+                        ImGui.TableNextColumn();
+                        ImGui.TextUnformatted("Materia");
+                        ImGui.TableNextColumn();
+
+                        using var materiaTable = ImRaii.Table($"{inventoryType}_{slotIndex}_MateriaTable", 2, ImGuiTableFlags.BordersInner | ImGuiTableFlags.NoSavedSettings);
+                        if (!materiaTable) continue;
+
+                        ImGui.TableSetupColumn("Materia Id", ImGuiTableColumnFlags.WidthFixed, 80);
+                        ImGui.TableSetupColumn("MateriaGrade Id");
+                        ImGui.TableHeadersRow();
+
+                        for (var i = 0; i < Math.Min(itemRow.MateriaSlotCount, item.Materia.Length); i++)
+                        {
+                            AddValueValueRow(item.Materia[i].ToString(), item.MateriaGrade[i].ToString());
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private bool IsEventItem(uint itemId) => itemId is > 2_000_000;
+
+    private bool IsHighQuality(uint itemId) => itemId is > 1_000_000 and < 2_000_000;
+
+    private bool IsCollectible(uint itemId) => itemId is > 500_000 and < 1_000_000;
+
+    private bool IsNormalItem(uint itemId) => itemId is < 500_000;
+
+    private uint GetBaseItemId(uint itemId)
+    {
+        if (this.IsEventItem(itemId)) return itemId; // uses EventItem sheet
+        if (this.IsHighQuality(itemId)) return itemId - 1_000_000;
+        if (this.IsCollectible(itemId)) return itemId - 500_000;
+        return itemId;
+    }
+
+    private string GetItemName(uint itemId)
+    {
+        // EventItem
+        if (this.IsEventItem(itemId))
+        {
+            return this.dataManager.Excel.GetSheet<EventItem>().TryGetRow(itemId, out var eventItemRow)
+                ? StripSoftHypen(eventItemRow.Name.ExtractText())
+                : $"EventItem#{itemId}";
+        }
+
+        // HighQuality
+        if (this.IsHighQuality(itemId))
+            itemId -= 1_000_000;
+
+        // Collectible
+        if (this.IsCollectible(itemId))
+            itemId -= 500_000;
+
+        return this.dataManager.Excel.GetSheet<Item>().TryGetRow(itemId, out var itemRow)
+            ? StripSoftHypen(itemRow.Name.ExtractText())
+            : $"Item#{itemId}";
+    }
+
+    private string GetStainName(uint stainId)
+    {
+        return this.dataManager.Excel.GetSheet<Stain>().TryGetRow(stainId, out var stainRow)
+            ? StripSoftHypen(stainRow.Name.ExtractText())
+            : $"Stain#{stainId}";
+    }
+
+    private uint GetItemRarityColorType(Item item, bool isEdgeColor = false)
+    {
+        return (isEdgeColor ? 548u : 547u) + item.Rarity * 2u;
+    }
+
+    private uint GetItemRarityColorType(uint itemId, bool isEdgeColor = false)
+    {
+        // EventItem
+        if (this.IsEventItem(itemId))
+            return this.GetItemRarityColorType(1, isEdgeColor);
+
+        if (!this.dataManager.Excel.GetSheet<Item>().TryGetRow(this.GetBaseItemId(itemId), out var item))
+            return this.GetItemRarityColorType(1, isEdgeColor);
+
+        return this.GetItemRarityColorType(item, isEdgeColor);
+    }
+
+    private uint GetItemRarityColor(uint itemId, bool isEdgeColor = false)
+    {
+        if (this.IsEventItem(itemId))
+            return isEdgeColor ? 0xFF000000 : 0xFFFFFFFF;
+
+        if (!this.dataManager.Excel.GetSheet<Item>().TryGetRow(this.GetBaseItemId(itemId), out var item))
+            return isEdgeColor ? 0xFF000000 : 0xFFFFFFFF;
+
+        var rowId = this.GetItemRarityColorType(item, isEdgeColor);
+        return this.dataManager.Excel.GetSheet<UIColor>().TryGetRow(rowId, out var color)
+            ? BinaryPrimitives.ReverseEndianness(color.UIForeground) | 0xFF000000
+            : 0xFFFFFFFF;
+    }
+
+    private uint GetItemIconId(uint itemId)
+    {
+        // EventItem
+        if (this.IsEventItem(itemId))
+            return this.dataManager.Excel.GetSheet<EventItem>().TryGetRow(itemId, out var eventItem) ? eventItem.Icon : 0u;
+
+        // HighQuality
+        if (this.IsHighQuality(itemId))
+            itemId -= 1_000_000;
+
+        // Collectible
+        if (this.IsCollectible(itemId))
+            itemId -= 500_000;
+
+        return this.dataManager.Excel.GetSheet<Item>().TryGetRow(itemId, out var item) ? item.Icon : 0u;
+    }
+}