diff --git a/LightlessSync/UI/DataAnalysisUi.cs b/LightlessSync/UI/DataAnalysisUi.cs
index a3061a7..de6f697 100644
--- a/LightlessSync/UI/DataAnalysisUi.cs
+++ b/LightlessSync/UI/DataAnalysisUi.cs
@@ -34,6 +34,8 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
     private const float TextureDetailSplitterWidth = 12f;
     private const float TextureDetailSplitterCollapsedWidth = 18f;
     private const float SelectedFilePanelLogicalHeight = 90f;
+    private const float TextureHoverPreviewDelaySeconds = 1.75f;
+    private const float TextureHoverPreviewSize = 350f;
     private static readonly Vector4 SelectedTextureRowTextColor = new(0f, 0f, 0f, 1f);
 
     private readonly CharacterAnalyzer _characterAnalyzer;
@@ -77,6 +79,7 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
     private string _selectedJobEntry = string.Empty;
     private string _filterGamePath = string.Empty;
     private string _filterFilePath = string.Empty;
+    private string _textureHoverKey = string.Empty;
 
     private int _conversionCurrentFileProgress = 0;
     private int _conversionTotalJobs;
@@ -87,6 +90,11 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
     private bool _textureRowsDirty = true;
     private bool _textureDetailCollapsed = false;
     private bool _conversionFailed;
+    private double _textureHoverStartTime = 0;
+#if DEBUG
+    private bool _debugCompressionModalOpen = false;
+    private TextureConversionProgress? _debugConversionProgress;
+#endif
     private bool _showAlreadyAddedTransients = false;
     private bool _acknowledgeReview = false;
 
@@ -135,21 +143,30 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
 
     private void HandleConversionModal()
     {
-        if (_conversionTask == null)
+        bool hasConversion = _conversionTask != null;
+#if DEBUG
+        bool showDebug = _debugCompressionModalOpen && !hasConversion;
+#else
+        const bool showDebug = false;
+#endif
+        if (!hasConversion && !showDebug)
         {
             return;
         }
 
-        if (_conversionTask.IsCompleted)
+        if (hasConversion && _conversionTask!.IsCompleted)
         {
             ResetConversionModalState();
-            return;
+            if (!showDebug)
+            {
+                return;
+            }
         }
 
         _showModal = true;
-        if (ImGui.BeginPopupModal("Texture Compression in Progress", ImGuiWindowFlags.AlwaysAutoResize))
+        if (ImGui.BeginPopupModal("Texture Compression in Progress", UiSharedService.PopupWindowFlags))
         {
-            DrawConversionModalContent();
+            DrawConversionModalContent(showDebug);
             ImGui.EndPopup();
         }
         else
@@ -164,31 +181,190 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         }
     }
 
-    private void DrawConversionModalContent()
+    private void DrawConversionModalContent(bool isDebugPreview)
     {
-        var progress = _lastConversionProgress;
+        var scale = ImGuiHelpers.GlobalScale;
+        TextureConversionProgress? progress;
+#if DEBUG
+        progress = isDebugPreview ? _debugConversionProgress : _lastConversionProgress;
+#else
+        progress = _lastConversionProgress;
+#endif
         var total = progress?.Total ?? Math.Max(_conversionTotalJobs, 1);
         var completed = progress != null
-            ? Math.Min(progress.Completed + 1, total)
-            : _conversionCurrentFileProgress;
-        var currentLabel = !string.IsNullOrEmpty(_conversionCurrentFileName)
-            ? _conversionCurrentFileName
-            : "Preparing...";
+            ? Math.Clamp(progress.Completed + 1, 0, total)
+            : Math.Clamp(_conversionCurrentFileProgress, 0, total);
+        var percent = total > 0 ? Math.Clamp(completed / (float)total, 0f, 1f) : 0f;
 
-        ImGui.TextUnformatted($"Compressing textures ({completed}/{total})");
-        UiSharedService.TextWrapped("Current file: " + currentLabel);
+        var job = progress?.CurrentJob;
+        var inputPath = job?.InputFile ?? string.Empty;
+        var targetLabel = job != null ? job.TargetType.ToString() : "Unknown";
+        var currentLabel = !string.IsNullOrEmpty(inputPath)
+            ? Path.GetFileName(inputPath)
+            : !string.IsNullOrEmpty(_conversionCurrentFileName) ? _conversionCurrentFileName : "Preparing...";
+        var mapKind = !string.IsNullOrEmpty(inputPath)
+            ? _textureMetadataHelper.DetermineMapKind(inputPath)
+            : TextureMapKind.Unknown;
 
-        if (_conversionFailed)
+        var accent = UIColors.Get("LightlessPurple");
+        var accentBg = new Vector4(accent.X, accent.Y, accent.Z, 0.18f);
+        var accentBorder = new Vector4(accent.X, accent.Y, accent.Z, 0.4f);
+        var headerHeight = MathF.Max(ImGui.GetTextLineHeightWithSpacing() * 2.6f, 46f * scale);
+
+        using (ImRaii.PushStyle(ImGuiStyleVar.ChildRounding, 6f * scale))
+        using (ImRaii.PushStyle(ImGuiStyleVar.ChildBorderSize, MathF.Max(1f, ImGui.GetStyle().ChildBorderSize)))
+        using (ImRaii.PushStyle(ImGuiStyleVar.WindowPadding, new Vector2(12f * scale, 6f * scale)))
+        using (ImRaii.PushStyle(ImGuiStyleVar.ItemSpacing, new Vector2(12f * scale, 2f * scale)))
+        using (ImRaii.PushColor(ImGuiCol.ChildBg, UiSharedService.Color(accentBg)))
+        using (ImRaii.PushColor(ImGuiCol.Border, UiSharedService.Color(accentBorder)))
+        using (var header = ImRaii.Child("compressionHeader", new Vector2(-1f, headerHeight), true, ImGuiWindowFlags.NoScrollbar | ImGuiWindowFlags.NoScrollWithMouse))
         {
-            UiSharedService.ColorText("Conversion encountered errors. Please review the log for details.", ImGuiColors.DalamudRed);
+            if (header)
+            {
+                if (ImGui.BeginTable("compressionHeaderTable", 2,
+                    ImGuiTableFlags.SizingStretchProp | ImGuiTableFlags.NoBordersInBody | ImGuiTableFlags.NoHostExtendX))
+                {
+                    ImGui.TableNextRow();
+                    ImGui.TableNextColumn();
+                    DrawCompressionTitle(accent, scale);
+
+                    var statusText = isDebugPreview ? "Preview mode" : "Working...";
+                    var statusColor = isDebugPreview ? UIColors.Get("LightlessYellow") : ImGuiColors.DalamudGrey;
+                    UiSharedService.ColorText(statusText, statusColor);
+
+                    ImGui.TableNextColumn();
+                    var progressText = $"{completed}/{total}";
+                    var percentText = $"{percent * 100f:0}%";
+                    var summaryText = $"{progressText} ({percentText})";
+                    var summaryWidth = ImGui.CalcTextSize(summaryText).X;
+                    ImGui.SetCursorPosX(ImGui.GetCursorPosX() + MathF.Max(0f, ImGui.GetColumnWidth() - summaryWidth));
+                    UiSharedService.ColorText(summaryText, ImGuiColors.DalamudGrey);
+
+                    ImGui.EndTable();
+                }
+            }
         }
 
-        if (_uiSharedService.IconTextButton(FontAwesomeIcon.StopCircle, "Cancel conversion"))
+        ImGuiHelpers.ScaledDummy(6);
+
+        using (ImRaii.PushStyle(ImGuiStyleVar.FrameRounding, 4f * scale))
+        using (ImRaii.PushStyle(ImGuiStyleVar.FramePadding, new Vector2(0f, 4f * scale)))
+        using (ImRaii.PushColor(ImGuiCol.FrameBg, UiSharedService.Color(new Vector4(0.15f, 0.15f, 0.18f, 1f))))
+        using (ImRaii.PushColor(ImGuiCol.PlotHistogram, UiSharedService.Color(accent)))
         {
-            _conversionCancellationTokenSource.Cancel();
+            ImGui.ProgressBar(percent, new Vector2(-1f, 0f), $"{percent * 100f:0}%");
         }
 
-        UiSharedService.SetScaledWindowSize(520);
+        ImGuiHelpers.ScaledDummy(6);
+
+        var infoAccent = UIColors.Get("LightlessBlue");
+        var infoBg = new Vector4(infoAccent.X, infoAccent.Y, infoAccent.Z, 0.12f);
+        var infoBorder = new Vector4(infoAccent.X, infoAccent.Y, infoAccent.Z, 0.32f);
+        const int detailRows = 3;
+        var detailHeight = MathF.Max(ImGui.GetTextLineHeightWithSpacing() * (detailRows + 1.2f), 72f * scale);
+
+        using (ImRaii.PushStyle(ImGuiStyleVar.ChildRounding, 5f * scale))
+        using (ImRaii.PushStyle(ImGuiStyleVar.ChildBorderSize, MathF.Max(1f, ImGui.GetStyle().ChildBorderSize)))
+        using (ImRaii.PushStyle(ImGuiStyleVar.WindowPadding, new Vector2(10f * scale, 6f * scale)))
+        using (ImRaii.PushColor(ImGuiCol.ChildBg, UiSharedService.Color(infoBg)))
+        using (ImRaii.PushColor(ImGuiCol.Border, UiSharedService.Color(infoBorder)))
+        using (var details = ImRaii.Child("compressionDetail", new Vector2(-1f, detailHeight), true, ImGuiWindowFlags.NoScrollbar | ImGuiWindowFlags.NoScrollWithMouse))
+        {
+            if (details)
+            {
+                if (ImGui.BeginTable("compressionDetailTable", 2,
+                    ImGuiTableFlags.SizingFixedFit | ImGuiTableFlags.NoBordersInBody | ImGuiTableFlags.PadOuterX))
+                {
+                    DrawDetailRow("Current file", currentLabel, inputPath);
+                    DrawDetailRow("Target format", targetLabel, null);
+                    DrawDetailRow("Map type", mapKind.ToString(), null);
+                    ImGui.EndTable();
+                }
+            }
+        }
+
+        if (_conversionFailed && !isDebugPreview)
+        {
+            ImGuiHelpers.ScaledDummy(4);
+            _uiSharedService.IconText(FontAwesomeIcon.ExclamationTriangle, ImGuiColors.DalamudRed);
+            ImGui.SameLine(0f, 6f * scale);
+            UiSharedService.TextWrapped("Conversion encountered errors. Please review the log for details.", color: ImGuiColors.DalamudRed);
+        }
+
+        ImGuiHelpers.ScaledDummy(6);
+        if (!isDebugPreview)
+        {
+            if (_uiSharedService.IconTextButton(FontAwesomeIcon.StopCircle, "Cancel conversion"))
+            {
+                _conversionCancellationTokenSource.Cancel();
+            }
+        }
+        else
+        {
+#if DEBUG
+            if (_uiSharedService.IconTextButton(FontAwesomeIcon.Times, "Close preview"))
+            {
+                CloseDebugCompressionModal();
+            }
+#endif
+        }
+
+        UiSharedService.SetScaledWindowSize(600);
+
+        void DrawDetailRow(string label, string value, string? tooltip)
+        {
+            ImGui.TableNextRow();
+            ImGui.TableNextColumn();
+            using (ImRaii.PushColor(ImGuiCol.Text, ImGuiColors.DalamudGrey))
+            {
+                ImGui.TextUnformatted(label);
+            }
+            ImGui.TableNextColumn();
+            ImGui.TextUnformatted(value);
+            if (!string.IsNullOrEmpty(tooltip))
+            {
+                UiSharedService.AttachToolTip(tooltip);
+            }
+        }
+
+        void DrawCompressionTitle(Vector4 iconColor, float localScale)
+        {
+            const string title = "Texture Compression";
+            var spacing = 6f * localScale;
+
+            var iconText = FontAwesomeIcon.CompressArrowsAlt.ToIconString();
+            Vector2 iconSize;
+            using (_uiSharedService.IconFont.Push())
+            {
+                iconSize = ImGui.CalcTextSize(iconText);
+            }
+
+            Vector2 titleSize;
+            using (_uiSharedService.MediumFont.Push())
+            {
+                titleSize = ImGui.CalcTextSize(title);
+            }
+
+            var lineHeight = MathF.Max(iconSize.Y, titleSize.Y);
+            var iconOffsetY = (lineHeight - iconSize.Y) / 2f;
+            var textOffsetY = (lineHeight - titleSize.Y) / 2f;
+
+            var start = ImGui.GetCursorScreenPos();
+            var drawList = ImGui.GetWindowDrawList();
+
+            using (_uiSharedService.IconFont.Push())
+            {
+                drawList.AddText(new Vector2(start.X, start.Y + iconOffsetY), UiSharedService.Color(iconColor), iconText);
+            }
+
+            using (_uiSharedService.MediumFont.Push())
+            {
+                var textPos = new Vector2(start.X + iconSize.X + spacing, start.Y + textOffsetY);
+                drawList.AddText(textPos, ImGui.GetColorU32(ImGuiCol.Text), title);
+            }
+
+            ImGui.Dummy(new Vector2(iconSize.X + spacing + titleSize.X, lineHeight));
+        }
     }
 
     private void ResetConversionModalState()
@@ -202,6 +378,41 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         _conversionTotalJobs = 0;
     }
 
+#if DEBUG
+    private void OpenCompressionDebugModal()
+    {
+        if (_conversionTask != null && !_conversionTask.IsCompleted)
+        {
+            return;
+        }
+
+        _debugCompressionModalOpen = true;
+        _debugConversionProgress = new TextureConversionProgress(
+            Completed: 3,
+            Total: 10,
+            CurrentJob: new TextureConversionJob(
+                @"C:\Lightless\Mods\Textures\example_diffuse.tex",
+                @"C:\Lightless\Mods\Textures\example_diffuse_bc7.tex",
+                Penumbra.Api.Enums.TextureType.Bc7Tex));
+        _showModal = true;
+        _modalOpen = false;
+    }
+
+    private void ResetDebugCompressionModalState()
+    {
+        _debugCompressionModalOpen = false;
+        _debugConversionProgress = null;
+    }
+
+    private void CloseDebugCompressionModal()
+    {
+        ResetDebugCompressionModalState();
+        _showModal = false;
+        _modalOpen = false;
+        ImGui.CloseCurrentPopup();
+    }
+#endif
+
     private void RefreshAnalysisCache()
     {
         if (!_hasUpdate)
@@ -757,6 +968,9 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         ResetTextureFilters();
         InvalidateTextureRows();
         _conversionFailed = false;
+#if DEBUG
+        ResetDebugCompressionModalState();
+#endif
     }
 
     protected override void Dispose(bool disposing)
@@ -1955,6 +2169,17 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         {
             InvalidateTextureRows();
         }
+#if DEBUG
+        ImGui.SameLine();
+        using (ImRaii.Disabled(conversionRunning || !UiSharedService.CtrlPressed()))
+        {
+            if (_uiSharedService.IconTextButton(FontAwesomeIcon.Cog, "Preview popup (debug)", 200f * scale))
+            {
+                OpenCompressionDebugModal();
+            }
+        }
+        UiSharedService.AttachToolTip("Hold CTRL to open the compression popup preview.");
+#endif
 
         TextureRow? lastSelected = null;
         using (var table = ImRaii.Table("textureDataTable", 9,
@@ -2335,11 +2560,30 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
     {
         if (_texturePreviews.TryGetValue(key, out var state))
         {
+            var loadTask = state.LoadTask;
+            if (loadTask is { IsCompleted: false })
+            {
+                _ = loadTask.ContinueWith(_ =>
+                {
+                    state.Texture?.Dispose();
+                }, TaskScheduler.Default);
+            }
+
             state.Texture?.Dispose();
             _texturePreviews.Remove(key);
         }
     }
 
+    private void ClearHoverPreview(TextureRow row)
+    {
+        if (string.Equals(_selectedTextureKey, row.Key, StringComparison.Ordinal))
+        {
+            return;
+        }
+
+        ResetPreview(row.Key);
+    }
+
     private TextureResolutionInfo? GetTextureResolution(TextureRow row)
     {
         if (_textureResolutionCache.TryGetValue(row.Key, out var cached))
@@ -2440,7 +2684,7 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
             UiSharedService.AttachToolTip("Already stored in a compressed format; additional compression is disabled.");
         }
 
-        DrawSelectableColumn(isSelected, () =>
+        var nameHovered = DrawSelectableColumn(isSelected, () =>
         {
             var selectableLabel = $"{row.DisplayName}##texName{index}";
             if (ImGui.Selectable(selectableLabel, isSelected))
@@ -2448,20 +2692,20 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
                 _selectedTextureKey = isSelected ? string.Empty : key;
             }
 
-            return () => UiSharedService.AttachToolTip($"{row.PrimaryFilePath}{UiSharedService.TooltipSeparator}{string.Join(Environment.NewLine, row.GamePaths)}");
+            return null;
         });
 
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             ImGui.TextUnformatted(row.Slot);
             return null;
         });
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             ImGui.TextUnformatted(row.MapKind.ToString());
             return null;
         });
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             Action? tooltipAction = null;
             ImGui.TextUnformatted(row.Format);
@@ -2475,7 +2719,7 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
             return tooltipAction;
         });
 
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             if (row.SuggestedTarget.HasValue)
             {
@@ -2537,19 +2781,21 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
             UiSharedService.AttachToolTip("This texture is already compressed and cannot be processed again.");
         }
 
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             ImGui.TextUnformatted(UiSharedService.ByteToString(row.OriginalSize));
             return null;
         });
-        DrawSelectableColumn(isSelected, () =>
+        _ = DrawSelectableColumn(isSelected, () =>
         {
             ImGui.TextUnformatted(UiSharedService.ByteToString(row.CompressedSize));
             return null;
         });
+
+        DrawTextureRowHoverTooltip(row, nameHovered);
     }
 
-    private static void DrawSelectableColumn(bool isSelected, Func<Action?> draw)
+    private static bool DrawSelectableColumn(bool isSelected, Func<Action?> draw)
     {
         ImGui.TableNextColumn();
         if (isSelected)
@@ -2558,6 +2804,7 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         }
 
         var after = draw();
+        var hovered = ImGui.IsItemHovered(ImGuiHoveredFlags.AllowWhenDisabled | ImGuiHoveredFlags.AllowWhenBlockedByActiveItem);
 
         if (isSelected)
         {
@@ -2565,6 +2812,127 @@ public class DataAnalysisUi : WindowMediatorSubscriberBase
         }
 
         after?.Invoke();
+        return hovered;
+    }
+
+    private void DrawTextureRowHoverTooltip(TextureRow row, bool isHovered)
+    {
+        if (!isHovered)
+        {
+            if (string.Equals(_textureHoverKey, row.Key, StringComparison.Ordinal))
+            {
+                _textureHoverKey = string.Empty;
+                _textureHoverStartTime = 0;
+                ClearHoverPreview(row);
+            }
+            return;
+        }
+
+        var now = ImGui.GetTime();
+        if (!string.Equals(_textureHoverKey, row.Key, StringComparison.Ordinal))
+        {
+            _textureHoverKey = row.Key;
+            _textureHoverStartTime = now;
+        }
+
+        var elapsed = now - _textureHoverStartTime;
+        if (elapsed < TextureHoverPreviewDelaySeconds)
+        {
+            var progress = (float)Math.Clamp(elapsed / TextureHoverPreviewDelaySeconds, 0f, 1f);
+            DrawTextureRowTextTooltip(row, progress);
+            return;
+        }
+
+        DrawTextureRowPreviewTooltip(row);
+    }
+
+    private void DrawTextureRowTextTooltip(TextureRow row, float progress)
+    {
+        ImGui.BeginTooltip();
+        ImGui.SetWindowFontScale(1f);
+        DrawTextureRowTooltipBody(row);
+        ImGuiHelpers.ScaledDummy(4);
+        DrawTextureHoverProgressBar(progress, GetTooltipContentWidth());
+        ImGui.EndTooltip();
+    }
+
+    private void DrawTextureRowPreviewTooltip(TextureRow row)
+    {
+        ImGui.BeginTooltip();
+        ImGui.SetWindowFontScale(1f);
+
+        DrawTextureRowTooltipBody(row);
+        ImGuiHelpers.ScaledDummy(4);
+
+        var previewSize = new Vector2(TextureHoverPreviewSize * ImGuiHelpers.GlobalScale);
+        var (previewTexture, previewLoading, previewError) = GetTexturePreview(row);
+        if (previewTexture != null)
+        {
+            ImGui.Image(previewTexture.Handle, previewSize);
+        }
+        else
+        {
+            using (ImRaii.Child("textureHoverPreview", previewSize, true))
+            {
+                UiSharedService.TextWrapped(previewLoading ? "Loading preview..." : previewError ?? "Preview unavailable.");
+            }
+        }
+        ImGui.EndTooltip();
+    }
+
+    private static void DrawTextureRowTooltipBody(TextureRow row)
+    {
+        var text = row.GamePaths.Count > 0
+            ? $"{row.PrimaryFilePath}{UiSharedService.TooltipSeparator}{string.Join(Environment.NewLine, row.GamePaths)}"
+            : row.PrimaryFilePath;
+
+        var wrapWidth = GetTextureHoverTooltipWidth();
+        ImGui.PushTextWrapPos(ImGui.GetCursorPosX() + wrapWidth);
+        if (text.Contains(UiSharedService.TooltipSeparator, StringComparison.Ordinal))
+        {
+            var splitText = text.Split(UiSharedService.TooltipSeparator, StringSplitOptions.RemoveEmptyEntries);
+            for (int i = 0; i < splitText.Length; i++)
+            {
+                ImGui.TextUnformatted(splitText[i]);
+                if (i != splitText.Length - 1)
+                {
+                    ImGui.Separator();
+                }
+            }
+        }
+        else
+        {
+            ImGui.TextUnformatted(text);
+        }
+        ImGui.PopTextWrapPos();
+    }
+
+    private static void DrawTextureHoverProgressBar(float progress, float width)
+    {
+        var scale = ImGuiHelpers.GlobalScale;
+        var barHeight = 4f * scale;
+        var barWidth = width > 0f ? width : -1f;
+        using (ImRaii.PushStyle(ImGuiStyleVar.FrameRounding, 3f * scale))
+        using (ImRaii.PushStyle(ImGuiStyleVar.FramePadding, Vector2.Zero))
+        using (ImRaii.PushColor(ImGuiCol.PlotHistogram, UiSharedService.Color(UIColors.Get("LightlessPurple"))))
+        {
+            ImGui.ProgressBar(progress, new Vector2(barWidth, barHeight), string.Empty);
+        }
+    }
+
+    private static float GetTextureHoverTooltipWidth()
+        => ImGui.GetFontSize() * 35f;
+
+    private static float GetTooltipContentWidth()
+    {
+        var min = ImGui.GetWindowContentRegionMin();
+        var max = ImGui.GetWindowContentRegionMax();
+        var width = max.X - min.X;
+        if (width <= 0f)
+        {
+            width = ImGui.GetContentRegionAvail().X;
+        }
+        return width;
     }
 
     private static void ApplyTextureRowBackground(TextureRow row, bool isSelected)