diff --git a/finnow-api/source/profile/data_impl_sqlite.d b/finnow-api/source/profile/data_impl_sqlite.d
index c2f5869..60d8848 100644
--- a/finnow-api/source/profile/data_impl_sqlite.d
+++ b/finnow-api/source/profile/data_impl_sqlite.d
@@ -39,10 +39,12 @@ class FileSystemProfileRepository : ProfileRepository {
         if (!exists(getProfilesDir())) mkdir(getProfilesDir());
         ProfileDataSource ds = new SqliteProfileDataSource(path);
         import std.datetime;
+        import std.conv;
         auto propsRepo = ds.getPropertiesRepository();
         propsRepo.setProperty("name", name);
         propsRepo.setProperty("createdAt", Clock.currTime(UTC()).toISOExtString());
         propsRepo.setProperty("user", username);
+        propsRepo.setProperty("database-schema-version", SCHEMA_VERSION.to!string());
         return new Profile(name);
     }
 
@@ -133,6 +135,9 @@ class SqlitePropertiesRepository : PropertiesRepository {
     }
 }
 
+private const SCHEMA = import("sql/schema.sql");
+private const uint SCHEMA_VERSION = 1;
+
 /**
  * An SQLite implementation of the ProfileDataSource that uses a single
  * database connection to initialize various entity data access objects lazily.
@@ -145,7 +150,6 @@ class SqliteProfileDataSource : ProfileDataSource {
     import attachment.data;
     import attachment.data_impl_sqlite;
 
-    const SCHEMA = import("sql/schema.sql");
     private const string dbPath;
     Database db;
 
@@ -159,6 +163,7 @@ class SqliteProfileDataSource : ProfileDataSource {
             infoF!"Initializing database: %s"(dbPath);
             db.run(SCHEMA);
         }
+        migrateSchema();
     }
 
     PropertiesRepository getPropertiesRepository() return scope {
@@ -200,4 +205,32 @@ class SqliteProfileDataSource : ProfileDataSource {
     void doTransaction(void delegate () dg) {
         util.sqlite.doTransaction(db, dg);
     }
+
+    private void migrateSchema() {
+        import std.conv;
+        PropertiesRepository propsRepo = new SqlitePropertiesRepository(this.db);
+        uint currentVersion;
+        try {
+            currentVersion = propsRepo.findProperty("database-schema-version")
+                .mapIfPresent!(s => s.to!uint).orElse(0);
+        } catch (ConvException e) {
+            warn("Failed to parse database-schema-version property.", e);
+            currentVersion = 0;
+        }
+        if (currentVersion == SCHEMA_VERSION) return;
+
+        static const migrations = [
+            import("sql/migrations/1.sql")
+        ];
+        static if (migrations.length != SCHEMA_VERSION) {
+            static assert(false, "Schema version doesn't match the list of defined migrations.");
+        }
+
+        while (currentVersion < SCHEMA_VERSION) {
+            infoF!"Migrating schema from version %d to %d."(currentVersion, currentVersion + 1);
+            db.run(migrations[currentVersion]);
+            currentVersion++;
+            propsRepo.setProperty("database-schema-version", currentVersion.to!string);
+        }
+    }
 }
diff --git a/finnow-api/source/transaction/data_impl_sqlite.d b/finnow-api/source/transaction/data_impl_sqlite.d
index 9f2c538..711ef67 100644
--- a/finnow-api/source/transaction/data_impl_sqlite.d
+++ b/finnow-api/source/transaction/data_impl_sqlite.d
@@ -264,48 +264,49 @@ class SqliteTransactionRepository : TransactionRepository {
                 item.amount = row.peek!ulong(3);
                 item.currency = Currency.ofCode(row.peek!(string, PeekMode.slice)(4));
                 item.description = row.peek!string(5);
+                item.internalTransfer = row.peek!bool(6);
 
-                Nullable!ulong vendorId = row.peek!(Nullable!ulong)(6);
+                Nullable!ulong vendorId = row.peek!(Nullable!ulong)(7);
                 if (!vendorId.isNull) {
                     item.vendor = Optional!(TransactionDetail.Vendor).of(
                         TransactionDetail.Vendor(
                             vendorId.get,
-                            row.peek!string(7),
-                            row.peek!string(8)
+                            row.peek!string(8),
+                            row.peek!string(9)
                         )).toNullable;
                 }
-                Nullable!ulong categoryId = row.peek!(Nullable!ulong)(9);
+                Nullable!ulong categoryId = row.peek!(Nullable!ulong)(10);
                 if (!categoryId.isNull) {
                     item.category = Optional!(TransactionDetail.Category).of(
                         TransactionDetail.Category(
                             categoryId.get,
-                            row.peek!(Nullable!ulong)(10),
-                            row.peek!string(11),
+                            row.peek!(Nullable!ulong)(11),
                             row.peek!string(12),
-                            row.peek!string(13)
+                            row.peek!string(13),
+                            row.peek!string(14)
                         )).toNullable;
                 }
-                Nullable!ulong creditedAccountId = row.peek!(Nullable!ulong)(14);
+                Nullable!ulong creditedAccountId = row.peek!(Nullable!ulong)(15);
                 if (!creditedAccountId.isNull) {
                     item.creditedAccount = Optional!(TransactionDetail.Account).of(
                         TransactionDetail.Account(
                             creditedAccountId.get,
-                            row.peek!string(15),
                             row.peek!string(16),
-                            row.peek!string(17)
+                            row.peek!string(17),
+                            row.peek!string(18)
                         )).toNullable;
                 }
-                Nullable!ulong debitedAccountId = row.peek!(Nullable!ulong)(18);
+                Nullable!ulong debitedAccountId = row.peek!(Nullable!ulong)(19);
                 if (!debitedAccountId.isNull) {
                     item.debitedAccount = Optional!(TransactionDetail.Account).of(
                         TransactionDetail.Account(
                             debitedAccountId.get,
-                            row.peek!string(19),
                             row.peek!string(20),
-                            row.peek!string(21)
+                            row.peek!string(21),
+                            row.peek!string(22)
                         )).toNullable;
                 }
-                string tagsStr = row.peek!string(22);
+                string tagsStr = row.peek!string(23);
                 if (tagsStr !is null && tagsStr.length > 0) {
                     import std.string : split;
                     item.tags = tagsStr.split(",");
@@ -353,6 +354,7 @@ class SqliteTransactionRepository : TransactionRepository {
             data.amount,
             data.currencyCode,
             data.description,
+            data.internalTransfer,
             data.vendorId,
             data.categoryId
         );
@@ -378,6 +380,7 @@ class SqliteTransactionRepository : TransactionRepository {
             data.amount,
             data.currencyCode,
             data.description,
+            data.internalTransfer,
             data.vendorId,
             data.categoryId,
             transactionId
@@ -403,20 +406,6 @@ class SqliteTransactionRepository : TransactionRepository {
         );
     }
 
-    static Transaction parseTransaction(Row row) {
-        import std.typecons : Nullable;
-        return Transaction(
-            row.peek!ulong(0),
-            SysTime.fromISOExtString(row.peek!string(1)),
-            SysTime.fromISOExtString(row.peek!string(2)),
-            row.peek!ulong(3),
-            Currency.ofCode(row.peek!(string, PeekMode.slice)(4)),
-            row.peek!string(5),
-            toOptional(row.peek!(Nullable!ulong)(6)),
-            toOptional(row.peek!(Nullable!ulong)(7))
-        );
-    }
-
     /**
      * Function to parse a list of transaction list items as obtained from the
      * `get_transactions.sql` query. Because there are possibly multiple rows
@@ -459,45 +448,46 @@ class SqliteTransactionRepository : TransactionRepository {
                 item.amount = row.peek!ulong(3);
                 item.currency = Currency.ofCode(row.peek!(string, PeekMode.slice)(4));
                 item.description = row.peek!string(5);
+                item.internalTransfer = row.peek!bool(6);
                 // Read the nullable Vendor information.
-                Nullable!ulong vendorId = row.peek!(Nullable!ulong)(6);
+                Nullable!ulong vendorId = row.peek!(Nullable!ulong)(7);
                 if (!vendorId.isNull) {
-                    string vendorName = row.peek!string(7);
+                    string vendorName = row.peek!string(8);
                     item.vendor = Optional!(TransactionsListItem.Vendor).of(
                         TransactionsListItem.Vendor(vendorId.get, vendorName));
                 }
                 // Read the nullable Category information.
-                Nullable!ulong categoryId = row.peek!(Nullable!ulong)(8);
+                Nullable!ulong categoryId = row.peek!(Nullable!ulong)(9);
                 if (!categoryId.isNull) {
-                    string categoryName = row.peek!string(9);
-                    string categoryColor = row.peek!string(10);
+                    string categoryName = row.peek!string(10);
+                    string categoryColor = row.peek!string(11);
                     item.category = Optional!(TransactionsListItem.Category).of(
                         TransactionsListItem.Category(categoryId.get, categoryName, categoryColor));
                 }
                 // Read the nullable creditedAccount.
-                Nullable!ulong creditedAccountId = row.peek!(Nullable!ulong)(11);
+                Nullable!ulong creditedAccountId = row.peek!(Nullable!ulong)(12);
                 if (!creditedAccountId.isNull) {
                     ulong id = creditedAccountId.get;
-                    string name = row.peek!string(12);
-                    string type = row.peek!string(13);
-                    string suffix = row.peek!string(14);
+                    string name = row.peek!string(13);
+                    string type = row.peek!string(14);
+                    string suffix = row.peek!string(15);
                     item.creditedAccount = Optional!(TransactionsListItem.Account).of(
                         TransactionsListItem.Account(id, name, type, suffix));
                 }
                 // Read the nullable debitedAccount.
-                Nullable!ulong debitedAccountId = row.peek!(Nullable!ulong)(15);
+                Nullable!ulong debitedAccountId = row.peek!(Nullable!ulong)(16);
                 if (!debitedAccountId.isNull) {
                     ulong id = debitedAccountId.get;
-                    string name = row.peek!string(16);
-                    string type = row.peek!string(17);
-                    string suffix = row.peek!string(18);
+                    string name = row.peek!string(17);
+                    string type = row.peek!string(18);
+                    string suffix = row.peek!string(19);
                     item.debitedAccount = Optional!(TransactionsListItem.Account).of(
                         TransactionsListItem.Account(id, name, type, suffix));
                 }
             }
 
             // Read multi-row properties, like tags, to the current item.
-            string tag = row.peek!string(19);
+            string tag = row.peek!string(20);
             if (tag !is null) {
                 item.tags ~= tag;
             }
@@ -509,56 +499,6 @@ class SqliteTransactionRepository : TransactionRepository {
         return app[];
     }
 
-    static TransactionsListItem parseTransactionsListItem(Row row) {
-        TransactionsListItem item;
-        item.id = row.peek!ulong(0);
-        item.timestamp = row.peek!string(1);
-        item.addedAt = row.peek!string(2);
-        item.amount = row.peek!ulong(3);
-        item.currency = Currency.ofCode(row.peek!(string, PeekMode.slice)(4));
-        item.description = row.peek!string(5);
-
-        Nullable!ulong vendorId = row.peek!(Nullable!ulong)(6);
-        if (!vendorId.isNull) {
-            string vendorName = row.peek!string(7);
-            item.vendor = Optional!(TransactionsListItem.Vendor).of(
-                TransactionsListItem.Vendor(vendorId.get, vendorName));
-        }
-        Nullable!ulong categoryId = row.peek!(Nullable!ulong)(8);
-        if (!categoryId.isNull) {
-            string categoryName = row.peek!string(9);
-            string categoryColor = row.peek!string(10);
-            item.category = Optional!(TransactionsListItem.Category).of(
-                TransactionsListItem.Category(categoryId.get, categoryName, categoryColor));
-        }
-        Nullable!ulong creditedAccountId = row.peek!(Nullable!ulong)(11);
-        if (!creditedAccountId.isNull) {
-            ulong id = creditedAccountId.get;
-            string name = row.peek!string(12);
-            string type = row.peek!string(13);
-            string suffix = row.peek!string(14);
-            item.creditedAccount = Optional!(TransactionsListItem.Account).of(
-                TransactionsListItem.Account(id, name, type, suffix));
-        }
-        Nullable!ulong debitedAccountId = row.peek!(Nullable!ulong)(15);
-        if (!debitedAccountId.isNull) {
-            ulong id = debitedAccountId.get;
-            string name = row.peek!string(16);
-            string type = row.peek!string(17);
-            string suffix = row.peek!string(18);
-            item.debitedAccount = Optional!(TransactionsListItem.Account).of(
-                TransactionsListItem.Account(id, name, type, suffix));
-        }
-        string tagsStr = row.peek!string(19);
-        if (tagsStr !is null && tagsStr.length > 0) {
-            import std.string : split;
-            item.tags = tagsStr.split(",");
-        } else {
-            item.tags = [];
-        }
-        return item;
-    }
-
     private void insertLineItems(ulong transactionId, in AddTransactionPayload data) {
         foreach (size_t idx, lineItem; data.lineItems) {
             util.sqlite.update(
@@ -595,6 +535,7 @@ class SqliteTransactionRepository : TransactionRepository {
             .select("txn.amount")
             .select("txn.currency")
             .select("txn.description")
+            .select("txn.internal_transfer")
             .select("txn.vendor_id")
             .select("vendor.name")
             .select("txn.category_id")
diff --git a/finnow-api/source/transaction/dto.d b/finnow-api/source/transaction/dto.d
index 35c33d3..0e6e541 100644
--- a/finnow-api/source/transaction/dto.d
+++ b/finnow-api/source/transaction/dto.d
@@ -17,6 +17,7 @@ struct TransactionsListItem {
     ulong amount;
     Currency currency;
     string description;
+    bool internalTransfer;
     @serdeTransformOut!serializeOptional
     Optional!Vendor vendor;
     @serdeTransformOut!serializeOptional
@@ -54,6 +55,7 @@ struct TransactionDetail {
     ulong amount;
     Currency currency;
     string description;
+    bool internalTransfer;
     Nullable!Vendor vendor;
     Nullable!Category category;
     Nullable!Account creditedAccount;
@@ -98,6 +100,7 @@ struct AddTransactionPayload {
     ulong amount;
     string currencyCode;
     string description;
+    bool internalTransfer;
     Nullable!ulong vendorId;
     Nullable!ulong categoryId;
     Nullable!ulong creditedAccountId;
diff --git a/finnow-api/source/transaction/search_filters.d b/finnow-api/source/transaction/search_filters.d
index dec6057..6883d25 100644
--- a/finnow-api/source/transaction/search_filters.d
+++ b/finnow-api/source/transaction/search_filters.d
@@ -66,6 +66,25 @@ void applyFilters(ref QueryBuilder qb, in ServerHttpRequest request) {
             });
         }
     }
+    
+    // Boolean filter for internal transfer.
+    if (request.hasParam("internal-transfer")) {
+        string value = request.getParamValues("internal-transfer")[0]
+            .strip()
+            .toUpper();
+        Optional!bool internalTransferFilter = Optional!bool.empty();
+        if (value == "Y" || value == "YES" || value == "TRUE" || value == "1") {
+            internalTransferFilter = Optional!bool.of(true);
+        } else if (value == "N" || value == "NO" || value == "FALSE" || value == "0") {
+            internalTransferFilter = Optional!bool.of(false);
+        }
+        if (!internalTransferFilter.isNull) {
+            qb.where("txn.internal_transfer = ?");
+            qb.withArgBinding((ref stmt, ref idx) {
+                stmt.bind(idx++, internalTransferFilter.value);
+            });
+        }
+    }
 
     // Textual search query:
     if (request.hasParam("q")) {
diff --git a/finnow-api/sql/get_transaction.sql b/finnow-api/sql/get_transaction.sql
index 8761086..c1beb3c 100644
--- a/finnow-api/sql/get_transaction.sql
+++ b/finnow-api/sql/get_transaction.sql
@@ -5,6 +5,7 @@ txn.added_at AS added_at,
 txn.amount AS amount,
 txn.currency AS currency,
 txn.description AS description,
+txn.internal_transfer AS internal_transfer,
 
 txn.vendor_id AS vendor_id,
 vendor.name AS vendor_name,
diff --git a/finnow-api/sql/insert_transaction.sql b/finnow-api/sql/insert_transaction.sql
index 9785711..ec65a81 100644
--- a/finnow-api/sql/insert_transaction.sql
+++ b/finnow-api/sql/insert_transaction.sql
@@ -4,6 +4,7 @@ INSERT INTO "transaction" (
     amount,
     currency,
     description,
+    internal_transfer,
     vendor_id,
     category_id
-) VALUES (?, ?, ?, ?, ?, ?, ?)
\ No newline at end of file
+) VALUES (?, ?, ?, ?, ?, ?, ?, ?)
\ No newline at end of file
diff --git a/finnow-api/sql/migrations/1.sql b/finnow-api/sql/migrations/1.sql
new file mode 100644
index 0000000..e29fce1
--- /dev/null
+++ b/finnow-api/sql/migrations/1.sql
@@ -0,0 +1,2 @@
+ALTER TABLE "transaction"
+ADD COLUMN internal_transfer BOOLEAN NOT NULL DEFAULT FALSE;
diff --git a/finnow-api/sql/schema.sql b/finnow-api/sql/schema.sql
index a54d1f0..dfb24c7 100644
--- a/finnow-api/sql/schema.sql
+++ b/finnow-api/sql/schema.sql
@@ -63,6 +63,7 @@ CREATE TABLE "transaction" (
     amount INTEGER NOT NULL,
     currency TEXT NOT NULL,
     description TEXT,
+    internal_transfer BOOLEAN NOT NULL DEFAULT FALSE,
     vendor_id INTEGER,
     category_id INTEGER,
     CONSTRAINT fk_transaction_vendor
diff --git a/finnow-api/sql/update_transaction.sql b/finnow-api/sql/update_transaction.sql
index cabc56e..4c04bc7 100644
--- a/finnow-api/sql/update_transaction.sql
+++ b/finnow-api/sql/update_transaction.sql
@@ -4,6 +4,7 @@ SET
     amount = ?,
     currency = ?,
     description = ?,
+    internal_transfer = ?,
     vendor_id = ?,
     category_id = ?
 WHERE id = ?
\ No newline at end of file
diff --git a/web-app/src/api/transaction.ts b/web-app/src/api/transaction.ts
index 83ed3a2..53cd70e 100644
--- a/web-app/src/api/transaction.ts
+++ b/web-app/src/api/transaction.ts
@@ -32,17 +32,6 @@ export interface TransactionCategoryTree {
   depth: number
 }
 
-export interface Transaction {
-  id: number
-  timestamp: string
-  addedAt: string
-  amount: number
-  currency: string
-  description: string
-  vendorId: number | null
-  categoryId: number | null
-}
-
 export interface TransactionsListItem {
   id: number
   timestamp: string
@@ -50,6 +39,7 @@ export interface TransactionsListItem {
   amount: number
   currency: Currency
   description: string
+  internalTransfer: boolean
   vendor: TransactionsListItemVendor | null
   category: TransactionsListItemCategory | null
   creditedAccount: TransactionsListItemAccount | null
@@ -82,6 +72,7 @@ export interface TransactionDetail {
   amount: number
   currency: Currency
   description: string
+  internalTransfer: boolean
   vendor: TransactionVendor | null
   category: TransactionCategory | null
   creditedAccount: TransactionDetailAccount | null
@@ -111,6 +102,7 @@ export interface AddTransactionPayload {
   amount: number
   currencyCode: string
   description: string
+  internalTransfer: boolean
   vendorId: number | null
   categoryId: number | null
   creditedAccountId: number | null
diff --git a/web-app/src/components/IdleTimeoutModal.vue b/web-app/src/components/IdleTimeoutModal.vue
index e214421..1874a8f 100644
--- a/web-app/src/components/IdleTimeoutModal.vue
+++ b/web-app/src/components/IdleTimeoutModal.vue
@@ -4,14 +4,14 @@ import { useTemplateRef, ref, computed } from 'vue'
 import ModalWrapper from './common/ModalWrapper.vue'
 import AppButton from './common/AppButton.vue'
 
-const timeoutModal = useTemplateRef("timeoutModal")
+const timeoutModal = useTemplateRef('timeoutModal')
 const secondsUntilLogout = ref(30)
 const timeoutTimerId = ref<number | undefined>()
 const timePhrase = computed(() => {
   if (secondsUntilLogout.value !== 1) {
-    return secondsUntilLogout.value + " seconds"
+    return secondsUntilLogout.value + ' seconds'
   }
-  return secondsUntilLogout.value + " second"
+  return secondsUntilLogout.value + ' second'
 })
 
 const authStore = useAuthStore()
@@ -40,8 +40,8 @@ defineExpose({ start })
   <ModalWrapper ref="timeoutModal">
     <template v-slot:default>
       <p>
-        You've been inactive for a while, so to ensure the safety of your
-        personal information, you will be logged out in
+        You've been inactive for a while, so to ensure the safety of your personal information, you
+        will be logged out in
         <strong>{{ timePhrase }}</strong>
         unless you click below to remain logged in.
       </p>
diff --git a/web-app/src/components/common/ModalWrapper.vue b/web-app/src/components/common/ModalWrapper.vue
index ffe87b4..d1c5644 100644
--- a/web-app/src/components/common/ModalWrapper.vue
+++ b/web-app/src/components/common/ModalWrapper.vue
@@ -31,12 +31,20 @@ defineExpose({ show, close, isOpen })
 </script>
 <template>
   <Teleport to="body">
-    <dialog ref="dialog" class="app-modal-dialog" :id="id">
+    <dialog
+      ref="dialog"
+      class="app-modal-dialog"
+      :id="id"
+    >
       <slot></slot>
 
       <div class="app-modal-dialog-actions">
         <slot name="buttons">
-          <AppButton button-style="secondary" @click="close()">Close</AppButton>
+          <AppButton
+            button-style="secondary"
+            @click="close()"
+            >Close</AppButton
+          >
         </slot>
       </div>
     </dialog>
diff --git a/web-app/src/components/common/form/FormControl.vue b/web-app/src/components/common/form/FormControl.vue
index 8cb6b6f..bd3e581 100644
--- a/web-app/src/components/common/form/FormControl.vue
+++ b/web-app/src/components/common/form/FormControl.vue
@@ -51,4 +51,8 @@ defineProps<{
   font-family: 'OpenSans', sans-serif;
   padding: 0.25rem 0.5rem;
 }
+
+.app-form-control > label input[type='checkbox'] {
+  align-self: flex-start;
+}
 </style>
diff --git a/web-app/src/pages/UserAccountLayout.vue b/web-app/src/pages/UserAccountLayout.vue
index 567e5be..7973ceb 100644
--- a/web-app/src/pages/UserAccountLayout.vue
+++ b/web-app/src/pages/UserAccountLayout.vue
@@ -18,10 +18,10 @@ const router = useRouter()
 const authStore = useAuthStore()
 
 const IDLE_TIMEOUT_SECONDS = 300
-const idleTimeoutModal = useTemplateRef("idleTimeoutModal")
+const idleTimeoutModal = useTemplateRef('idleTimeoutModal')
 useIdleObserver({
   timeout: IDLE_TIMEOUT_SECONDS * 1000,
-  onIdle: () => idleTimeoutModal.value?.start()
+  onIdle: () => idleTimeoutModal.value?.start(),
 })
 
 const authCheckTimer: Ref<number | undefined> = ref(undefined)
@@ -70,16 +70,25 @@ async function checkAuth() {
   <div>
     <header class="app-header-bar">
       <div>
-        <h1 class="app-header-text" @click="onHeaderClicked()">
+        <h1
+          class="app-header-text"
+          @click="onHeaderClicked()"
+        >
           Finnow
         </h1>
       </div>
       <div>
-        <span class="app-user-widget" @click="router.push('/me')">
+        <span
+          class="app-user-widget"
+          @click="router.push('/me')"
+        >
           <font-awesome-icon icon="fa-user"></font-awesome-icon>
         </span>
 
-        <span class="app-logout-button" @click="authStore.onUserLoggedOut()">
+        <span
+          class="app-logout-button"
+          @click="authStore.onUserLoggedOut()"
+        >
           <font-awesome-icon icon="fa-solid fa-arrow-right-from-bracket"></font-awesome-icon>
         </span>
       </div>
diff --git a/web-app/src/pages/forms/EditTransactionPage.vue b/web-app/src/pages/forms/EditTransactionPage.vue
index a7b445f..d756752 100644
--- a/web-app/src/pages/forms/EditTransactionPage.vue
+++ b/web-app/src/pages/forms/EditTransactionPage.vue
@@ -85,6 +85,7 @@ const unsavedEdits = computed(() => {
     amount.value * Math.pow(10, currency.value?.fractionalDigits ?? 0) !== tx.amount
   const currencyChanged = currency.value?.code !== tx.currency.code
   const descriptionChanged = description.value !== tx.description
+  const internalTransferChanged = internalTransfer.value !== tx.internalTransfer
   const vendorChanged = vendor.value?.id !== tx.vendor?.id
   const categoryChanged = categoryId.value !== (tx.category?.id ?? null)
   const creditedAccountChanged = creditedAccountId.value !== (tx.creditedAccount?.id ?? null)
@@ -94,6 +95,7 @@ const unsavedEdits = computed(() => {
     Amount changed:    ${amountChanged}
     Currency changed:  ${currencyChanged}
     Description changed: ${descriptionChanged}
+    Internal Transfer changed: ${internalTransferChanged}
     Vendor changed: ${vendorChanged}
     Category changed: ${categoryChanged}
     Credited account changed: ${creditedAccountChanged}
@@ -108,6 +110,7 @@ const unsavedEdits = computed(() => {
     amountChanged ||
     currencyChanged ||
     descriptionChanged ||
+    internalTransferChanged ||
     vendorChanged ||
     categoryChanged ||
     creditedAccountChanged ||
@@ -136,6 +139,7 @@ const timestamp = ref('')
 const amount = ref(0)
 const currency: Ref<Currency | null> = ref(null)
 const description = ref('')
+const internalTransfer = ref(false)
 const vendor: Ref<TransactionVendor | null> = ref(null)
 const categoryId: Ref<number | null> = ref(null)
 const creditedAccountId: Ref<number | null> = ref(null)
@@ -208,6 +212,7 @@ async function doSubmit() {
     amount: floatMoneyToInteger(amount.value, currency.value),
     currencyCode: currency.value?.code ?? '',
     description: description.value,
+    internalTransfer: internalTransfer.value,
     vendorId: vendorId,
     categoryId: categoryId.value,
     creditedAccountId: creditedAccountId.value,
@@ -260,6 +265,7 @@ function loadValuesFromExistingTransaction(t: TransactionDetail) {
   amount.value = t.amount / Math.pow(10, t.currency.fractionalDigits)
   currency.value = t.currency
   description.value = t.description
+  internalTransfer.value = t.internalTransfer
   vendor.value = t.vendor ?? null
   categoryId.value = t.category?.id ?? null
   creditedAccountId.value = t.creditedAccount?.id ?? null
@@ -391,6 +397,20 @@ function getLocalDateTimeStringFromUTCTimestamp(timestamp: string) {
         />
       </FormGroup>
 
+      <!-- One last group for less-often used fields: -->
+      <FormGroup>
+        <FormControl
+          label="Internal Transfer"
+          hint="Mark this transaction as an internal transfer to ignore it in analytics. Useful for things like credit card payments."
+        >
+          <input
+            type="checkbox"
+            v-model="internalTransfer"
+            :disabled="loading"
+          />
+        </FormControl>
+      </FormGroup>
+
       <FormActions
         @cancel="doCancel()"
         :disabled="loading || !formValid || !unsavedEdits"