diff --git a/package-lock.json b/package-lock.json
index e6af9de62..459d3b3db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "codex-editor-extension",
-    "version": "0.26.0",
+    "version": "0.27.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "codex-editor-extension",
-            "version": "0.26.0",
+            "version": "0.27.0",
             "license": "MIT",
             "dependencies": {
                 "@types/csv-parse": "^1.2.5",
diff --git a/src/providers/codexCellEditorProvider/codexCellEditorMessagehandling.ts b/src/providers/codexCellEditorProvider/codexCellEditorMessagehandling.ts
index 5a5c84ae1..0bd12f297 100644
--- a/src/providers/codexCellEditorProvider/codexCellEditorMessagehandling.ts
+++ b/src/providers/codexCellEditorProvider/codexCellEditorMessagehandling.ts
@@ -1787,6 +1787,66 @@ const messageHandlers: Record<string, (ctx: MessageHandlerContext) => Promise<vo
         }
     },
 
+    toggleCellVisibility: async ({ event, document, webviewPanel, provider, updateWebview }) => {
+        const typedEvent = event as Extract<EditorPostMessages, { command: "toggleCellVisibility" }>;
+        const { cellId, hidden } = typedEvent.content;
+
+        debug("toggleCellVisibility message received for cell:", cellId, "hidden:", hidden);
+
+        try {
+            const currentCellData = document.getCellData(cellId) || {};
+
+            document.updateCellData(cellId, {
+                ...currentCellData,
+                hidden,
+            });
+
+            try {
+                const cellForEdits = document.getCell(cellId);
+                if (cellForEdits) {
+                    if (!cellForEdits.metadata.edits) {
+                        cellForEdits.metadata.edits = [] as any;
+                    }
+                    const ts = Date.now();
+                    let user = "anonymous";
+                    try {
+                        const authApi = await provider.getAuthApi();
+                        const userInfo = await authApi?.getUserInfo();
+                        user = userInfo?.username || "anonymous";
+                    } catch { /* ignore */ }
+                    (cellForEdits.metadata.edits as any[]).push({
+                        editMap: EditMapUtils.metadataNested("data", "hidden"),
+                        value: hidden,
+                        timestamp: ts,
+                        type: EditType.USER_EDIT,
+                        author: user,
+                        validatedBy: [],
+                    });
+                }
+            } catch (e) {
+                console.warn("Failed to record visibility edit entry on cell", e);
+            }
+
+            await document.save(new vscode.CancellationTokenSource().token);
+
+            debug(`Successfully toggled visibility for cell: ${cellId}, hidden: ${hidden}`);
+
+            const workspaceFolder = vscode.workspace.getWorkspaceFolder(document.uri);
+            if (workspaceFolder) {
+                await provider.toggleCellVisibilityInPairedFile(cellId, hidden, document.uri.toString(), workspaceFolder);
+            } else {
+                console.warn("No workspace folder found, skipping paired file visibility toggle");
+            }
+
+            updateWebview();
+        } catch (error) {
+            console.error("Error toggling cell visibility:", cellId, error);
+            vscode.window.showErrorMessage(
+                `Failed to toggle cell visibility: ${error instanceof Error ? error.message : String(error)}`
+            );
+        }
+    },
+
     triggerReindexing: async () => {
         debug("Triggering reindexing after all translations completed");
         await vscode.commands.executeCommand("codex-editor-extension.forceReindex");
diff --git a/src/providers/codexCellEditorProvider/codexCellEditorProvider.ts b/src/providers/codexCellEditorProvider/codexCellEditorProvider.ts
index af5d5ed0c..d386c692c 100755
--- a/src/providers/codexCellEditorProvider/codexCellEditorProvider.ts
+++ b/src/providers/codexCellEditorProvider/codexCellEditorProvider.ts
@@ -2362,6 +2362,7 @@ export class CodexCellEditorProvider implements vscode.CustomEditorProvider<Code
             cellLabel: cell.metadata?.cellLabel,
             merged: cell.metadata?.data?.merged,
             deleted: cell.metadata?.data?.deleted,
+            hidden: cell.metadata?.data?.hidden,
             data: cell.metadata?.data,
             attachments: cell.metadata?.attachments,
             metadata: {
@@ -2394,6 +2395,10 @@ export class CodexCellEditorProvider implements vscode.CustomEditorProvider<Code
                 return;
             }
 
+            if (cell.hidden && !isSourceAndCorrectionEditorMode) {
+                return;
+            }
+
             if (cell.deleted) {
                 return;
             }
@@ -2419,6 +2424,7 @@ export class CodexCellEditorProvider implements vscode.CustomEditorProvider<Code
                 timestamps: cell.timestamps,
                 cellLabel: cell.cellLabel,
                 merged: cell.merged,
+                hidden: cell.hidden,
                 data: cell.data,
                 attachments: cell.attachments,
                 metadata: cell.metadata,
@@ -3063,6 +3069,107 @@ export class CodexCellEditorProvider implements vscode.CustomEditorProvider<Code
         }
     }
 
+    public async toggleCellVisibilityInPairedFile(cellId: string, hidden: boolean, uri: string, workspaceFolder: vscode.WorkspaceFolder) {
+        debug("Toggling cell visibility in paired file:", { cellId, hidden, uri });
+
+        try {
+            const normalizedPath = uri.replace(/\\/g, "/");
+            const baseFileName = path.basename(normalizedPath);
+
+            let targetPath: vscode.Uri;
+            let targetFileName: string;
+            let isSourceToTarget: boolean;
+
+            if (baseFileName.endsWith(".source")) {
+                targetFileName = baseFileName.replace(".source", ".codex");
+                targetPath = vscode.Uri.joinPath(workspaceFolder.uri, "files", "target", targetFileName);
+                isSourceToTarget = true;
+            } else if (baseFileName.endsWith(".codex")) {
+                targetFileName = baseFileName.replace(".codex", ".source");
+                targetPath = vscode.Uri.joinPath(workspaceFolder.uri, ".project", "sourceTexts", targetFileName);
+                isSourceToTarget = false;
+            } else {
+                throw new Error(`Unsupported file type for visibility toggle: ${baseFileName}`);
+            }
+
+            await vscode.commands.executeCommand(
+                "vscode.openWith",
+                targetPath,
+                "codex.cellEditor",
+                { viewColumn: isSourceToTarget ? vscode.ViewColumn.Two : vscode.ViewColumn.One }
+            );
+
+            let targetDocument: CodexCellDocument | undefined;
+            const targetDocumentUri = targetPath.toString();
+
+            for (const [panelUri] of this.webviewPanels.entries()) {
+                if (this.isMatchingFilePair(targetDocumentUri, panelUri)) {
+                    targetDocument = await this.openCustomDocument(
+                        vscode.Uri.parse(panelUri),
+                        {},
+                        new vscode.CancellationTokenSource().token
+                    );
+                    break;
+                }
+            }
+
+            if (!targetDocument) {
+                targetDocument = await this.openCustomDocument(
+                    targetPath,
+                    {},
+                    new vscode.CancellationTokenSource().token
+                );
+            }
+
+            const targetCellData = targetDocument.getCellData(cellId) || {};
+            targetDocument.updateCellData(cellId, {
+                ...targetCellData,
+                hidden,
+            });
+
+            try {
+                const cell = (targetDocument as any).getCell(cellId);
+                if (cell) {
+                    cell.metadata.edits = cell.metadata.edits || [];
+                    cell.metadata.edits.push({
+                        editMap: ["metadata", "data", "hidden"],
+                        value: hidden,
+                        timestamp: Date.now(),
+                        type: "user-edit",
+                        author: "anonymous",
+                        validatedBy: [],
+                    });
+                }
+            } catch (e) {
+                console.warn("Failed to append hidden edit on paired file cell", e);
+            }
+
+            await targetDocument.save(new vscode.CancellationTokenSource().token);
+
+            debug(`Successfully toggled visibility for cell ${cellId} in ${isSourceToTarget ? "target" : "source"} file ${targetFileName}`);
+
+            for (const [panelUri, panel] of this.webviewPanels.entries()) {
+                if (this.isMatchingFilePair(targetDocumentUri, panelUri)) {
+                    const docUri = panelUri;
+                    const rev = this.getDocumentRevision(docUri);
+                    const currentPosition = this.currentMilestoneSubsectionMap.get(docUri);
+                    safePostMessageToPanel(panel, {
+                        type: "refreshCurrentPage",
+                        rev,
+                        milestoneIndex: currentPosition?.milestoneIndex ?? 0,
+                        subsectionIndex: currentPosition?.subsectionIndex ?? 0,
+                    });
+                    break;
+                }
+            }
+        } catch (error) {
+            console.error("Error toggling cell visibility in paired file:", error);
+            vscode.window.showErrorMessage(
+                `Failed to toggle visibility in paired file: ${error instanceof Error ? error.message : String(error)}`
+            );
+        }
+    }
+
     public async getAuthApi() {
         return getAuthApi();
     }
@@ -4185,10 +4292,19 @@ export class CodexCellEditorProvider implements vscode.CustomEditorProvider<Code
             });
         });
 
-        // Refresh all webviews to show/hide merged cells appropriately
+        // Refresh all open webviews so hidden/merged cells are shown or filtered correctly
         for (const [docUri, panel] of this.webviewPanels) {
             if (this.currentDocument && docUri === this.currentDocument.uri.toString()) {
                 await this.refreshWebview(panel, this.currentDocument);
+            } else {
+                const rev = this.getDocumentRevision(docUri);
+                const currentPosition = this.currentMilestoneSubsectionMap.get(docUri);
+                safePostMessageToPanel(panel, {
+                    type: "refreshCurrentPage",
+                    rev,
+                    milestoneIndex: currentPosition?.milestoneIndex ?? 0,
+                    subsectionIndex: currentPosition?.subsectionIndex ?? 0,
+                });
             }
         }
     }
diff --git a/src/providers/codexCellEditorProvider/utils/cellUtils.ts b/src/providers/codexCellEditorProvider/utils/cellUtils.ts
index 8e0ac14be..08705180d 100644
--- a/src/providers/codexCellEditorProvider/utils/cellUtils.ts
+++ b/src/providers/codexCellEditorProvider/utils/cellUtils.ts
@@ -69,6 +69,7 @@ export function convertCellToQuillContent(cell: CustomNotebookCellData): QuillCe
         cellLabel: cell.metadata?.cellLabel,
         merged: cell.metadata?.data?.merged,
         deleted: cell.metadata?.data?.deleted,
+        hidden: cell.metadata?.data?.hidden,
         data: cell.metadata?.data,
         attachments: cell.metadata?.attachments || {},
         metadata: {
diff --git a/types/index.d.ts b/types/index.d.ts
index 5271e2902..c221df7a8 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -550,6 +550,13 @@ export type EditorPostMessages =
         };
     }
     | { command: "toggleCorrectionEditorMode"; }
+    | {
+        command: "toggleCellVisibility";
+        content: {
+            cellId: string;
+            hidden: boolean;
+        };
+    }
     | {
         command: "cancelMerge";
         content: {
@@ -709,6 +716,7 @@ type CodexData = Timestamps & {
     verse?: string;
     merged?: boolean;
     deleted?: boolean;
+    hidden?: boolean;
     originalText?: string;
     globalReferences?: string[]; // Array of cell IDs in original format (e.g., "GEN 1:1") used for header generation
     milestoneIndex?: number | null; // 0-based milestone index for O(1) lookup (null if no milestone)
@@ -939,6 +947,7 @@ interface QuillCellContent {
     cellLabel?: string;
     merged?: boolean;
     deleted?: boolean;
+    hidden?: boolean;
     data?: { [key: string]: any; footnotes?: Footnote[]; };
     attachments?: { [attachmentId: string]: { type: string; isDeleted?: boolean; isMissing?: boolean; url?: string; validatedBy?: ValidationEntry[]; }; };
     metadata?: {
diff --git a/webviews/codex-webviews/src/CodexCellEditor/CellContentDisplay.tsx b/webviews/codex-webviews/src/CodexCellEditor/CellContentDisplay.tsx
index a137cafb0..b38495445 100644
--- a/webviews/codex-webviews/src/CodexCellEditor/CellContentDisplay.tsx
+++ b/webviews/codex-webviews/src/CodexCellEditor/CellContentDisplay.tsx
@@ -341,13 +341,21 @@ const CellContentDisplay: React.FC<CellContentDisplayProps> = React.memo(
         };
 
         const handleCancelMerge = (e: React.MouseEvent) => {
-            e.stopPropagation(); // Prevent the cell click handler from firing
+            e.stopPropagation();
             vscode.postMessage({
                 command: "cancelMerge",
                 content: { cellId: cellIds[0] },
             } as any);
         };
 
+        const handleToggleVisibility = (e: React.MouseEvent) => {
+            e.stopPropagation();
+            vscode.postMessage({
+                command: "toggleCellVisibility",
+                content: { cellId: cellIds[0], hidden: !cell.hidden },
+            } as EditorPostMessages);
+        };
+
         // Handler for merging cell with previous cell
         const handleMergeWithPrevious = (e: React.MouseEvent) => {
             e.stopPropagation(); // Prevent the cell click handler from firing
@@ -656,9 +664,10 @@ const CellContentDisplay: React.FC<CellContentDisplayProps> = React.memo(
                     overflow: "visible",
                     maxWidth: "100%",
                     boxSizing: "border-box",
-                    transition: "border 0.3s ease",
+                    transition: "border 0.3s ease, opacity 0.2s ease",
                     overflowWrap: "break-word",
                     wordWrap: "break-word",
+                    opacity: cell.hidden && isSourceText && isCorrectionEditorMode ? 0.45 : 1,
                     wordBreak: "break-word",
                 }}
             >
@@ -958,6 +967,28 @@ const CellContentDisplay: React.FC<CellContentDisplayProps> = React.memo(
                                             </Button>
                                         </div>
                                     )}
+                                    {isSourceText && isCorrectionEditorMode && (
+                                        <div style={{ flexShrink: 0 }}>
+                                            <Button
+                                                variant="ghost"
+                                                style={{
+                                                    height: "16px",
+                                                    width: "16px",
+                                                    padding: 0,
+                                                    display: "flex",
+                                                    alignItems: "center",
+                                                    justifyContent: "center",
+                                                }}
+                                                onClick={handleToggleVisibility}
+                                                title={cell.hidden ? "Show cell in normal mode" : "Hide cell in normal mode"}
+                                            >
+                                                <i
+                                                    className={`codicon ${cell.hidden ? "codicon-eye-closed" : "codicon-eye"}`}
+                                                    style={{ fontSize: "12px" }}
+                                                />
+                                            </Button>
+                                        </div>
+                                    )}
                                 </div>
                             </div>
                         )}
diff --git a/webviews/codex-webviews/src/CodexCellEditor/CellList.tsx b/webviews/codex-webviews/src/CodexCellEditor/CellList.tsx
index 0990c5cc3..2286956cc 100644
--- a/webviews/codex-webviews/src/CodexCellEditor/CellList.tsx
+++ b/webviews/codex-webviews/src/CodexCellEditor/CellList.tsx
@@ -134,19 +134,24 @@ const CellList: React.FC<CellListProps> = ({
     // State to track unresolved comments count for each cell
     const [cellCommentsCount, setCellCommentsCount] = useState<Map<string, number>>(new Map());
 
-    // Filter out merged cells if we're in correction editor mode for source text
     const filteredTranslationUnits = useMemo(() => {
         let filtered = translationUnits;
 
+        const isSourceCorrectionMode = isSourceText && isCorrectionEditorMode;
+
         // Filter out merged cells if we're in correction editor mode for source text
-        if (isSourceText && isCorrectionEditorMode) {
+        if (isSourceCorrectionMode) {
             filtered = filtered.filter((unit) => {
-                // Check if cell has merged metadata in the data property
                 const cellData = unit.data as any;
                 return !cellData?.merged;
             });
         }
 
+        // Hide hidden cells unless we're in source correction mode (where the eyeball toggle is available)
+        if (!isSourceCorrectionMode) {
+            filtered = filtered.filter((unit) => !unit.hidden);
+        }
+
         // Filter out milestone cells from the view (they remain in JSON)
         filtered = filtered.filter((unit) => unit.cellType !== CodexCellTypes.MILESTONE);
 
@@ -563,7 +568,8 @@ const CellList: React.FC<CellListProps> = ({
                     unit.cellType !== CodexCellTypes.PARATEXT &&
                     unit.cellType !== CodexCellTypes.MILESTONE &&
                     !isChildCell(unit) &&
-                    !unit.merged
+                    !unit.merged &&
+                    !unit.hidden
                 ) {
                     visibleCellCount++;
                 }