diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index 26604f593..1abaf5f5c 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -109,7 +109,7 @@ import {
   visibleTransposeRecordWindow,
 } from "@/lib/dataGrid/dataGridTranspose";
 import { canApplyGridSelectionValue, canDeleteGridRowItem, canEditGridCellDetail, matchesRowStatusFilter, shouldShowQuickEntryDraftRow, type RowStatus, type RowStatusFilter } from "@/lib/dataGrid/gridRowStatus";
-import { displayCellValue, type CellValue } from "@/lib/dataGrid/cellValue";
+import { displayCellValue, firstLineCellDisplayValue, type CellValue } from "@/lib/dataGrid/cellValue";
 import { getApplicablePreviewActions } from "@/lib/dataGrid/resultPreviewRegistry";
 import "@/lib/dataGrid/geometryMapPreview";
 import { BINARY_CELL_DOWNLOAD_MODES, binaryCellDisplayText, binaryCellDownloadFileName, binaryCellDownloadPayload, canDownloadBinaryCellValue, downloadBinaryCellPayload, isBinaryCellColumnType, parseBinaryCellBytes, type BinaryCellDownloadMode } from "@/lib/dataGrid/binaryCellDownload";
@@ -8838,7 +8838,7 @@ const gridContextMenuItems = computed<ContextMenuItem[]>(() => {
                         <template v-if="draftCellPlaceholder(displayItems[cell.recordIndex], cell.valueIndex)">
                           <span class="text-muted-foreground/70 italic">{{ draftCellPlaceholder(displayItems[cell.recordIndex], cell.valueIndex) }}</span>
                         </template>
-                        <template v-else>{{ cell.display }}</template>
+                        <template v-else>{{ firstLineCellDisplayValue(cell.display) }}</template>
                         <div v-if="cellDetailButtonVisible(cell.recordIndex, cell.valueIndex)" class="absolute right-2 top-0.5 flex items-center gap-1">
                           <LightDropdownMenu
                             v-if="canQuickDownloadCellValue(cell.recordIndex, cell.valueIndex)"
@@ -9455,7 +9455,7 @@ const gridContextMenuItems = computed<ContextMenuItem[]>(() => {
                         <template v-if="draftCellPlaceholder(item, col.actualColIdx)">
                           <span class="text-muted-foreground/70 italic">{{ draftCellPlaceholder(item, col.actualColIdx) }}</span>
                         </template>
-                        <template v-else>{{ formatCellCached(item.data[col.actualColIdx], col.actualColIdx) }}</template>
+                        <template v-else>{{ firstLineCellDisplayValue(formatCellCached(item.data[col.actualColIdx], col.actualColIdx)) }}</template>
                         <div v-if="cellDetailButtonVisible(item.displayIndex, col.actualColIdx)" class="absolute right-2 top-0.5 flex items-center gap-1">
                           <LightDropdownMenu
                             v-if="canQuickDownloadCellValue(item.displayIndex, col.actualColIdx)"
@@ -10336,7 +10336,18 @@ const gridContextMenuItems = computed<ContextMenuItem[]>(() => {
           <p class="text-sm text-muted-foreground">
             {{ t("grid.bulkEditDescription", { count: selectedCellCount }) }}
           </p>
-          <Input v-model="bulkEditValue" :placeholder="t('grid.bulkEditValuePlaceholder')" @keydown.enter.prevent="applyBulkEditValue" />
+          <textarea
+            v-model="bulkEditValue"
+            autocapitalize="off"
+            autocomplete="off"
+            autocorrect="off"
+            spellcheck="false"
+            rows="5"
+            class="min-h-24 w-full min-w-0 resize-y rounded-[6px] border border-input bg-transparent px-2.5 py-1.5 text-base outline-none transition-colors placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 md:text-sm"
+            :placeholder="t('grid.bulkEditValuePlaceholder')"
+            @keydown.ctrl.enter.prevent="applyBulkEditValue"
+            @keydown.meta.enter.prevent="applyBulkEditValue"
+          />
         </div>
         <DialogFooter>
           <Button variant="outline" @click="bulkEditDialogOpen = false">{{ t("dangerDialog.cancel") }}</Button>
diff --git a/apps/desktop/src/lib/__tests__/dataGrid/cellValue.spec.ts b/apps/desktop/src/lib/__tests__/dataGrid/cellValue.spec.ts
new file mode 100644
index 000000000..9518ce0b7
--- /dev/null
+++ b/apps/desktop/src/lib/__tests__/dataGrid/cellValue.spec.ts
@@ -0,0 +1,10 @@
+import { describe, expect, it } from "vitest";
+import { firstLineCellDisplayValue } from "@/lib/dataGrid/cellValue";
+
+describe("firstLineCellDisplayValue", () => {
+  it("shows only the first line in fixed-height cells", () => {
+    expect(firstLineCellDisplayValue("111\n222")).toBe("111");
+    expect(firstLineCellDisplayValue("111\r\n222")).toBe("111");
+    expect(firstLineCellDisplayValue("111\r222")).toBe("111");
+  });
+});
diff --git a/apps/desktop/src/lib/dataGrid/canvasDataGridRenderer.ts b/apps/desktop/src/lib/dataGrid/canvasDataGridRenderer.ts
index 535ef4e68..b22b370ee 100644
--- a/apps/desktop/src/lib/dataGrid/canvasDataGridRenderer.ts
+++ b/apps/desktop/src/lib/dataGrid/canvasDataGridRenderer.ts
@@ -1,4 +1,4 @@
-import type { CellValue } from "@/lib/dataGrid/cellValue";
+import { firstLineCellDisplayValue, type CellValue } from "@/lib/dataGrid/cellValue";
 import type { RowStatus } from "@/lib/dataGrid/gridRowStatus";
 import { DATA_GRID_DARK_SEARCH_COLORS, resolveDataGridPaintTheme, type DataGridPaintTheme } from "@/lib/dataGrid/dataGridPaintTheme";
 
@@ -374,7 +374,8 @@ export function drawCanvasDataGrid(options: DrawCanvasDataGridOptions) {
         const textLeft = alignCanvasPixel(x + 12, dpr);
         const paddedMaxWidth = Math.max(0, x + colWidth - textLeft - 12);
         const isEditingThisCell = editingCell?.rowId === item.id && editingCell.col === actualColIdx;
-        const displayText = isEditingThisCell ? "" : item.isDraft && value === null ? (draftCellPlaceholder ?? "") : formatCell(value, actualColIdx);
+        const rawDisplayText = item.isDraft && value === null ? (draftCellPlaceholder ?? "") : formatCell(value, actualColIdx);
+        const displayText = isEditingThisCell ? "" : firstLineCellDisplayValue(rawDisplayText);
         const needsTruncation = ctx.measureText(displayText).width > paddedMaxWidth;
         const textMaxWidth = needsTruncation ? Math.max(0, x + colWidth - textLeft) : paddedMaxWidth;
         const text = isEditingThisCell ? displayText : fitCanvasText(ctx, displayText, textMaxWidth - 12);
diff --git a/apps/desktop/src/lib/dataGrid/cellValue.ts b/apps/desktop/src/lib/dataGrid/cellValue.ts
index b3403622b..ef6b474a3 100644
--- a/apps/desktop/src/lib/dataGrid/cellValue.ts
+++ b/apps/desktop/src/lib/dataGrid/cellValue.ts
@@ -6,3 +6,8 @@ export function displayCellValue(value: CellValue): string {
   if (typeof value === "object") return JSON.stringify(value);
   return String(value);
 }
+
+export function firstLineCellDisplayValue(value: string): string {
+  const lineBreakIndex = value.search(/\r\n|\r|\n/);
+  return lineBreakIndex === -1 ? value : value.slice(0, lineBreakIndex);
+}
diff --git a/crates/dbx-core/src/data_grid_sql.rs b/crates/dbx-core/src/data_grid_sql.rs
index cf35fdcff..0423825bd 100644
--- a/crates/dbx-core/src/data_grid_sql.rs
+++ b/crates/dbx-core/src/data_grid_sql.rs
@@ -2627,6 +2627,32 @@ mod tests {
         );
     }
 
+    #[test]
+    fn preserves_mysql_text_cell_line_breaks() {
+        let result = prepare_data_grid_save(DataGridSaveStatementOptions {
+            database_type: Some(DatabaseType::Mysql),
+            table_meta: DataGridTableMeta {
+                schema: None,
+                table_name: "employees".to_string(),
+                primary_keys: vec!["id".to_string()],
+                columns: Some(vec![column("id", "int(11)", false, None), column("name", "varchar(50)", true, None)]),
+            },
+            columns: vec!["id".to_string(), "name".to_string()],
+            source_columns: None,
+            rows: vec![vec![json!(2), json!("Ada")]],
+            dirty_rows: vec![(0, vec![(1, json!("111\n222"))])],
+            deleted_rows: vec![],
+            new_rows: vec![],
+        });
+
+        assert_eq!(result.validation_error, None);
+        assert_eq!(result.statements, vec!["UPDATE `employees` SET `name` = '111\n222' WHERE `id` = 2;"]);
+        assert_eq!(
+            result.rollback_statements,
+            vec!["UPDATE `employees` SET `name` = 'Ada' WHERE `id` = 2 AND BINARY `name` = '111\n222';"]
+        );
+    }
+
     #[test]
     fn prepares_sqlserver_save_statements() {
         let result = prepare_data_grid_save(DataGridSaveStatementOptions {