diff --git a/src/locales/de.json b/src/locales/de.json
index b4b890e2..d40bc676 100644
--- a/src/locales/de.json
+++ b/src/locales/de.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Ausgewählte Konten im Batch ersetzen",
     "Batch Replace Selected Destination Accounts": "Ausgewählte Zielkonten im Batch ersetzen",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Ungültige Ausgabenkategorien ersetzen",
     "Replace Invalid Income Categories": "Ungültige Einnahmenkategorien ersetzen",
     "Replace Invalid Transfer Categories": "Ungültige Überweisungskategorien ersetzen",
diff --git a/src/locales/en.json b/src/locales/en.json
index e7b613e6..4113af69 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Batch Replace Selected Accounts",
     "Batch Replace Selected Destination Accounts": "Batch Replace Selected Destination Accounts",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Replace Invalid Expense Categories",
     "Replace Invalid Income Categories": "Replace Invalid Income Categories",
     "Replace Invalid Transfer Categories": "Replace Invalid Transfer Categories",
diff --git a/src/locales/es.json b/src/locales/es.json
index 7b5d837c..fd63fdae 100644
--- a/src/locales/es.json
+++ b/src/locales/es.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Reemplazo por lotes de cuentas seleccionadas",
     "Batch Replace Selected Destination Accounts": "Reemplazar por lotes cuentas de destino seleccionadas",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Reemplazar categorías de gastos no válidas",
     "Replace Invalid Income Categories": "Reemplazar categorías de ingresos no válidas",
     "Replace Invalid Transfer Categories": "Reemplazar categorías de transferencia no válidas",
diff --git a/src/locales/it.json b/src/locales/it.json
index 14189466..d3ec8f3f 100644
--- a/src/locales/it.json
+++ b/src/locales/it.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Sostituisci in blocco conti selezionati",
     "Batch Replace Selected Destination Accounts": "Sostituisci in blocco conti di destinazione selezionati",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Sostituisci categorie di spesa non valide",
     "Replace Invalid Income Categories": "Sostituisci categorie di entrata non valide",
     "Replace Invalid Transfer Categories": "Sostituisci categorie di trasferimento non valide",
diff --git a/src/locales/ja.json b/src/locales/ja.json
index fba4160a..a3cc3445 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "バッチ選択した口座を置き換えます",
     "Batch Replace Selected Destination Accounts": "バッチは選択した宛先口座を置き換えます",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "無効な支出カテゴリを置き換えます",
     "Replace Invalid Income Categories": "無効な収入カテゴリを置き換えます",
     "Replace Invalid Transfer Categories": "無効な振替カテゴリを置き換えます",
diff --git a/src/locales/nl.json b/src/locales/nl.json
index 3c57d1d8..02a3d3e4 100644
--- a/src/locales/nl.json
+++ b/src/locales/nl.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Geselecteerde rekeningen batchgewijs vervangen",
     "Batch Replace Selected Destination Accounts": "Geselecteerde bestemmingsrekeningen batchgewijs vervangen",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Ongeldige uitgavecategorieën vervangen",
     "Replace Invalid Income Categories": "Ongeldige inkomencategorieën vervangen",
     "Replace Invalid Transfer Categories": "Ongeldige overboekingscategorieën vervangen",
diff --git a/src/locales/pt_BR.json b/src/locales/pt_BR.json
index 30bc8960..1fa2269b 100644
--- a/src/locales/pt_BR.json
+++ b/src/locales/pt_BR.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Substituir em Lote as Contas Selecionadas",
     "Batch Replace Selected Destination Accounts": "Substituir em Lote as Contas de Destino Selecionadas",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Substituir Categorias de Despesas Inválidas",
     "Replace Invalid Income Categories": "Substituir Categorias de Renda Inválidas",
     "Replace Invalid Transfer Categories": "Substituir Categorias de Transferência Inválidas",
diff --git a/src/locales/ru.json b/src/locales/ru.json
index 11a17feb..131c2424 100644
--- a/src/locales/ru.json
+++ b/src/locales/ru.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Пакетная замена выбранных счетов",
     "Batch Replace Selected Destination Accounts": "Пакетная замена выбранных целевых счетов",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Заменить недействительные категории расходов",
     "Replace Invalid Income Categories": "Заменить недействительные категории доходов",
     "Replace Invalid Transfer Categories": "Заменить недействительные категории переводов",
diff --git a/src/locales/uk.json b/src/locales/uk.json
index 243364e1..8ef8175d 100644
--- a/src/locales/uk.json
+++ b/src/locales/uk.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Пакетна заміна вибраних рахунків",
     "Batch Replace Selected Destination Accounts": "Пакетна заміна вибраних цільових рахунків",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Замінити недійсні категорії витрат",
     "Replace Invalid Income Categories": "Замінити недійсні категорії доходів",
     "Replace Invalid Transfer Categories": "Замінити недійсні категорії переказів",
diff --git a/src/locales/vi.json b/src/locales/vi.json
index 1dbafc3b..14f5bb97 100644
--- a/src/locales/vi.json
+++ b/src/locales/vi.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "Thay thế hàng loạt các tài khoản đã chọn",
     "Batch Replace Selected Destination Accounts": "Thay thế hàng loạt các tài khoản đích đã chọn",
     "Batch Replace Selected Transaction Tags": "Batch Replace Selected Transaction Tags",
+    "Batch Add Transaction Tags": "Batch Add Transaction Tags",
     "Replace Invalid Expense Categories": "Thay thế các danh mục chi phí không hợp lệ",
     "Replace Invalid Income Categories": "Thay thế các danh mục thu nhập không hợp lệ",
     "Replace Invalid Transfer Categories": "Thay thế các danh mục chuyển khoản không hợp lệ",
diff --git a/src/locales/zh_Hans.json b/src/locales/zh_Hans.json
index 602d75fc..dd69172e 100644
--- a/src/locales/zh_Hans.json
+++ b/src/locales/zh_Hans.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "批量替换选中的账户",
     "Batch Replace Selected Destination Accounts": "批量替换选中的目标账户",
     "Batch Replace Selected Transaction Tags": "批量替换选中的交易标签",
+    "Batch Add Transaction Tags": "批量添加交易标签",
     "Replace Invalid Expense Categories": "替换无效的支出分类",
     "Replace Invalid Income Categories": "替换无效的收入分类",
     "Replace Invalid Transfer Categories": "替换无效的转账分类",
diff --git a/src/locales/zh_Hant.json b/src/locales/zh_Hant.json
index 61a14748..134f3e4e 100644
--- a/src/locales/zh_Hant.json
+++ b/src/locales/zh_Hant.json
@@ -1805,6 +1805,7 @@
     "Batch Replace Selected Accounts": "批次替換選中的帳戶",
     "Batch Replace Selected Destination Accounts": "批次替換選中的目標帳戶",
     "Batch Replace Selected Transaction Tags": "批次替換選中的交易標籤",
+    "Batch Add Transaction Tags": "批次新增交易標籤",
     "Replace Invalid Expense Categories": "替換無效的支出分類",
     "Replace Invalid Income Categories": "替換無效的收入分類",
     "Replace Invalid Transfer Categories": "替換無效的轉帳分類",
diff --git a/src/models/imported_transaction.ts b/src/models/imported_transaction.ts
index 2142bb13..e5ca60cd 100644
--- a/src/models/imported_transaction.ts
+++ b/src/models/imported_transaction.ts
@@ -42,8 +42,8 @@ export class ImportTransaction implements ImportTransactionResponse {
         this.originalDestinationAccountCurrency = response.originalDestinationAccountCurrency;
         this.sourceAmount = response.sourceAmount;
         this.destinationAmount = response.destinationAmount || 0;
-        this.tagIds = response.tagIds;
-        this.originalTagNames = response.originalTagNames;
+        this.tagIds = response.tagIds || [];
+        this.originalTagNames = response.originalTagNames || [];
         this.comment = response.comment;
         this.geoLocation = response.geoLocation;
 
diff --git a/src/views/desktop/transactions/import/dialogs/BatchReplaceDialog.vue b/src/views/desktop/transactions/import/dialogs/BatchReplaceDialog.vue
index cc32b70e..7e89db4f 100644
--- a/src/views/desktop/transactions/import/dialogs/BatchReplaceDialog.vue
+++ b/src/views/desktop/transactions/import/dialogs/BatchReplaceDialog.vue
@@ -9,6 +9,7 @@
                     <h4 class="text-h4" v-if="mode === 'batchReplace' && type === 'account'">{{ tt('Batch Replace Selected Accounts') }}</h4>
                     <h4 class="text-h4" v-if="mode === 'batchReplace' && type === 'destinationAccount'">{{ tt('Batch Replace Selected Destination Accounts') }}</h4>
                     <h4 class="text-h4" v-if="mode === 'batchReplace' && type === 'tag'">{{ tt('Batch Replace Selected Transaction Tags') }}</h4>
+                    <h4 class="text-h4" v-if="mode === 'batchAdd' && type === 'tag'">{{ tt('Batch Add Transaction Tags') }}</h4>
                     <h4 class="text-h4" v-if="mode === 'replaceInvalidItems' && type === 'expenseCategory'">{{ tt('Replace Invalid Expense Categories') }}</h4>
                     <h4 class="text-h4" v-if="mode === 'replaceInvalidItems' && type === 'incomeCategory'">{{ tt('Replace Invalid Income Categories') }}</h4>
                     <h4 class="text-h4" v-if="mode === 'replaceInvalidItems' && type === 'transferCategory'">{{ tt('Replace Invalid Transfer Categories') }}</h4>
@@ -189,7 +190,7 @@
                             </template>
                         </v-autocomplete>
                     </v-col>
-                    <v-col cols="12" class="pt-0">
+                    <v-col cols="12" class="pt-0" v-if="mode === 'batchReplace' || mode === 'replaceInvalidItems'">
                         <v-switch :disabled="loading"
                                   :label="tt('Remove Tag')" v-model="removeTag"/>
                     </v-col>
@@ -235,7 +236,7 @@ import {
     mdiPound
 } from '@mdi/js';
 
-export type BatchReplaceDialogMode = 'batchReplace' | 'replaceInvalidItems';
+export type BatchReplaceDialogMode = 'batchReplace' | 'batchAdd' | 'replaceInvalidItems';
 export type BatchReplaceDialogDataType = 'expenseCategory' | 'incomeCategory' | 'transferCategory' | 'account' | 'destinationAccount' | 'tag';
 
 type SnackBarType = InstanceType<typeof SnackBar>;
@@ -291,10 +292,10 @@ function open(options: { mode: BatchReplaceDialogMode; type: BatchReplaceDialogD
     type.value = options.type;
     sourceItem.value = undefined;
 
-    if (mode.value === 'batchReplace') {
-        invalidItems.value = undefined;
-    } else if (mode.value === 'replaceInvalidItems') {
+    if (mode.value === 'replaceInvalidItems') {
         invalidItems.value = options.invalidItems;
+    } else {
+        invalidItems.value = undefined;
     }
 
     if (type.value === 'tag' && mode.value === 'batchReplace') {
@@ -369,6 +370,10 @@ function confirm(): void {
             sourceItem: sourceItem.value,
             targetItem: targetItemValue
         });
+    } else if (mode.value === 'batchAdd') {
+        resolveFunc?.({
+            targetItem: targetItemValue
+        });
     } else if (mode.value === 'replaceInvalidItems') {
         resolveFunc?.({
             sourceItem: sourceItem.value,
diff --git a/src/views/desktop/transactions/import/tabs/ImportTransactionCheckDataTab.vue b/src/views/desktop/transactions/import/tabs/ImportTransactionCheckDataTab.vue
index b038a173..69b2cc03 100644
--- a/src/views/desktop/transactions/import/tabs/ImportTransactionCheckDataTab.vue
+++ b/src/views/desktop/transactions/import/tabs/ImportTransactionCheckDataTab.vue
@@ -671,6 +671,12 @@ const toolMenus = computed<ImportTransactionCheckDataMenu[]>(() => [
         disabled: isEditing.value || selectedImportTransactionCount.value < 1,
         onClick: () => showBatchReplaceDialog('tag', allOriginalTransactionTagNames.value)
     },
+    {
+        prependIcon: mdiFindReplace,
+        title: tt('Batch Add Transaction Tags'),
+        disabled: isEditing.value || selectedImportTransactionCount.value < 1,
+        onClick: () => showBatchAddDialog('tag')
+    },
     {
         prependIcon: mdiFindReplace,
         title: tt('Replace Invalid Expense Categories'),
@@ -1485,7 +1491,7 @@ function showBatchReplaceDialog(type: BatchReplaceDialogDataType, allSourceTagIt
                         updated = true;
                     }
                 } else if (type === 'tag') {
-                    let removeIndex: number[] = [];
+                    const removeIndex: number[] = [];
 
                     for (let tagIndex = 0; tagIndex < importTransaction.originalTagNames.length; tagIndex++) {
                         const originalTagName = importTransaction.originalTagNames ? (importTransaction.originalTagNames[tagIndex] ?? '') : '';
@@ -1522,6 +1528,69 @@ function showBatchReplaceDialog(type: BatchReplaceDialogDataType, allSourceTagIt
     });
 }
 
+function showBatchAddDialog(type: BatchReplaceDialogDataType): void {
+    if (isEditing.value) {
+        return;
+    }
+
+    batchReplaceDialog.value?.open({
+        mode: 'batchAdd',
+        type: type
+    }).then(result => {
+        if (!result || !result.targetItem) {
+            return;
+        }
+
+        let updatedCount = 0;
+
+        if (props.importTransactions) {
+            for (const importTransaction of props.importTransactions) {
+                if (!importTransaction.selected) {
+                    continue;
+                }
+
+                let updated = false;
+
+                if (type === 'tag') {
+                    let containsTag = false;
+
+                    for (const tagName of importTransaction.originalTagNames) {
+                        if (tagName === result.targetItem) {
+                            containsTag = true;
+                            break;
+                        }
+                    }
+
+                    if (!containsTag) {
+                        if (!importTransaction.tagIds) {
+                            importTransaction.tagIds = [];
+                        }
+
+                        if (!importTransaction.originalTagNames) {
+                            importTransaction.originalTagNames = [];
+                        }
+
+                        importTransaction.tagIds.push(result.targetItem);
+                        importTransaction.originalTagNames.push(allTagsMap.value[result.targetItem]?.name ?? '');
+                        updated = true;
+                    }
+                }
+
+                if (updated) {
+                    updatedCount++;
+                    updateTransactionData(importTransaction);
+                }
+            }
+        }
+
+        if (updatedCount > 0) {
+            snackbar.value?.showMessage('format.misc.youHaveUpdatedTransactions', {
+                count: getDisplayCount(updatedCount)
+            });
+        }
+    });
+}
+
 function showReplaceInvalidItemDialog(type: BatchReplaceDialogDataType, invalidItems: NameValue[]): void {
     if (isEditing.value) {
         return;
@@ -1584,7 +1653,7 @@ function showReplaceInvalidItemDialog(type: BatchReplaceDialogDataType, invalidI
                         updated = true;
                     }
                 } else if (type === 'tag' && importTransaction.tagIds) {
-                    let removeIndex: number[] = [];
+                    const removeIndex: number[] = [];
 
                     for (let tagIndex = 0; tagIndex < importTransaction.tagIds.length; tagIndex++) {
                         const tagId = importTransaction.tagIds[tagIndex] as string;