diff --git a/expenses_manager/expenses/forms.py b/expenses_manager/expenses/forms.py
index d5f6ae9..0cfdb77 100644
--- a/expenses_manager/expenses/forms.py
+++ b/expenses_manager/expenses/forms.py
@@ -1,4 +1,5 @@
 from django import forms
+from .csv_export import DEFAULT_DIALECT
 from .models import (
     Expense,
     Category,
@@ -233,5 +234,66 @@ class GoalForm(forms.ModelForm):
                 )
         else:
             cleaned["period"] = Goal.PERIOD_NONE
-        
+
+        return cleaned
+
+
+class ExportForm(forms.Form):
+    """Filtros de la exportación a CSV. Valida la pantalla y la descarga.
+
+    Los filtros son a propósito solo rango de fechas y cuenta: la gracia de un
+    CSV es filtrar fuera, y duplicar aquí la fila de filtros avanzados de
+    expense_list serían dos UIs que divergen.
+    """
+
+    KIND_CHOICES = [
+        ("expenses", "Gastos"),
+        ("incomes", "Ingresos"),
+        ("transfers", "Traspasos"),
+    ]
+    FMT_CHOICES = [
+        ("excel", "Excel español — separador ; y decimales con coma"),
+        ("std", "CSV estándar — separador , y decimales con punto"),
+    ]
+
+    kind = forms.ChoiceField(choices=KIND_CHOICES, label="Qué exportar")
+    date_from = forms.DateField(
+        required=False,
+        label="Desde",
+        widget=forms.DateInput(format="%Y-%m-%d", attrs={"type": "date"}),
+    )
+    date_to = forms.DateField(
+        required=False,
+        label="Hasta",
+        widget=forms.DateInput(format="%Y-%m-%d", attrs={"type": "date"}),
+    )
+    account = forms.ModelChoiceField(
+        queryset=Account.objects.none(),
+        required=False,
+        label="Cuenta",
+        empty_label="Todas las cuentas",
+    )
+    fmt = forms.ChoiceField(
+        choices=FMT_CHOICES, label="Formato", initial=DEFAULT_DIALECT
+    )
+
+    def __init__(self, *args, **kwargs):
+        user = kwargs.pop("user")
+        super().__init__(*args, **kwargs)
+
+        # Activas e inactivas: se exporta histórico, y una cuenta cerrada tiene
+        # movimientos que interesan.
+        self.fields["account"].queryset = Account.objects.filter(owner=user)
+        self.fields["date_from"].input_formats = ["%Y-%m-%d"]
+        self.fields["date_to"].input_formats = ["%Y-%m-%d"]
+
+    def clean(self):
+        cleaned = super().clean()
+        date_from, date_to = cleaned.get("date_from"), cleaned.get("date_to")
+
+        # En un listado un rango invertido se ignora; aquí no, porque el
+        # resultado sería un fichero vacío descargado sin explicación.
+        if date_from and date_to and date_from > date_to:
+            self.add_error("date_to", "La fecha final es anterior a la inicial.")
+
         return cleaned
\ No newline at end of file
diff --git a/expenses_manager/expenses/templates/expenses/base.html b/expenses_manager/expenses/templates/expenses/base.html
index 0da53aa..6c24746 100644
--- a/expenses_manager/expenses/templates/expenses/base.html
+++ b/expenses_manager/expenses/templates/expenses/base.html
@@ -43,6 +43,7 @@
                             <a href="{% url 'category_list' %}">Categorías</a>
                             <a href="{% url 'tag_list' %}">Etiquetas</a>
                             <a href="{% url 'goal_list' %}">Objetivos</a>
+                            <a href="{% url 'export_index' %}">Exportar datos</a>
                         </div>
                     </div>
 
diff --git a/expenses_manager/expenses/templates/expenses/export_form.html b/expenses_manager/expenses/templates/expenses/export_form.html
new file mode 100644
index 0000000..d1efec2
--- /dev/null
+++ b/expenses_manager/expenses/templates/expenses/export_form.html
@@ -0,0 +1,30 @@
+{% extends "expenses/base.html" %}
+
+{% block title %}Exportar datos{% endblock %}
+
+{% block content %}
+    <h1>Exportar datos</h1>
+
+    <p>Descarga tus movimientos en CSV para abrirlos en Excel o tratarlos aparte.</p>
+
+    <div class="messages">
+        <div class="message warning">
+            Los dos movimientos de cada traspaso también salen en el CSV de gastos y
+            en el de ingresos, marcados con «Traspaso = Sí». Sumar los tres ficheros
+            cuenta el mismo dinero dos veces.
+        </div>
+        <div class="message warning">
+            La comisión de un traspaso sale en el CSV de gastos como gasto normal
+            («Traspaso = No»), porque es dinero que sale de verdad del patrimonio.
+        </div>
+    </div>
+
+    <form method="get" action="{% url 'export_download' %}" class="app-form">
+        {% include "expenses/_form_fields.html" %}
+
+        <div class="form-actions">
+            <button type="submit" class="btn btn-primary">Descargar CSV</button>
+            <a class="btn btn-secondary" href="{% url 'settings_index' %}">Volver</a>
+        </div>
+    </form>
+{% endblock %}
diff --git a/expenses_manager/expenses/templates/settings/index.html b/expenses_manager/expenses/templates/settings/index.html
index 9b9e81e..29eaf4e 100644
--- a/expenses_manager/expenses/templates/settings/index.html
+++ b/expenses_manager/expenses/templates/settings/index.html
@@ -24,6 +24,11 @@
         <h2>Objetivos</h2>
         <p>Define y controla tus metas de gasto.</p>
     </a>
+
+    <a class="settings-card" href="{% url 'export_index' %}">
+        <h2>Exportar datos</h2>
+        <p>Descarga tus gastos, ingresos o traspasos en CSV.</p>
+    </a>
 </div>
 
 {% endblock %}
\ No newline at end of file
diff --git a/expenses_manager/expenses/urls.py b/expenses_manager/expenses/urls.py
index fbb07fa..252b3d7 100644
--- a/expenses_manager/expenses/urls.py
+++ b/expenses_manager/expenses/urls.py
@@ -33,6 +33,8 @@ urlpatterns = [
     path('categories/<int:pk>/edit/', views.category_edit, name='category_edit'),
     path('categories/<int:pk>/delete/', views.category_delete, name='category_delete'),
     path('settings/', views.settings_index, name='settings_index'),
+    path('export/', views.export_index, name='export_index'),
+    path('export/download/', views.export_download, name='export_download'),
     path('goals/', views.goal_list, name='goal_list'),
     path('goals/new/', views.goal_create, name='goal_create'),
     path('goals/<int:pk>/edit/', views.goal_edit, name='goal_edit'),
diff --git a/expenses_manager/expenses/views.py b/expenses_manager/expenses/views.py
index 5e2a7c0..560d191 100644
--- a/expenses_manager/expenses/views.py
+++ b/expenses_manager/expenses/views.py
@@ -23,7 +23,9 @@ from .forms import (
     CategoryForm,
     GoalForm,
     TransferForm,
+    ExportForm,
 )
+from .csv_export import DIALECTS, EXPORTS, csv_filename, stream_csv
 
 from django.core.paginator import Paginator
 from django.db.models import Sum, Count, Min, ProtectedError
@@ -36,6 +38,7 @@ from django.db.models.functions import (
 )
 
 from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseBadRequest, StreamingHttpResponse
 from django.utils.http import url_has_allowed_host_and_scheme
 from django.shortcuts import get_object_or_404, render, redirect
 from django.urls import reverse
@@ -1667,3 +1670,41 @@ def transfer_delete(request, pk):
         "transfers/confirm_delete.html",
         {"active_menu": "transfers", "transfer": transfer},
     )
+
+
+@login_required
+def export_index(request):
+    # Se enlaza el form si la URL trae algo para que, al volver de una descarga
+    # con parámetros mal puestos, se vean los errores en la pantalla.
+    form = ExportForm(request.GET or None, user=request.user)
+
+    return render(
+        request,
+        "expenses/export_form.html",
+        {"active_menu": "settings", "form": form},
+    )
+
+
+@login_required
+def export_download(request):
+    form = ExportForm(request.GET, user=request.user)
+    if not form.is_valid():
+        return HttpResponseBadRequest("Parámetros de exportación no válidos.")
+
+    data = form.cleaned_data
+    dialect = DIALECTS[data["fmt"]]
+    stem, build_export = EXPORTS[data["kind"]]
+    header, rows = build_export(
+        request.user, data["date_from"], data["date_to"], data["account"], dialect
+    )
+
+    # Streaming y no HttpResponse: con los volúmenes de hoy da igual en memoria,
+    # pero el coste de código es el mismo.
+    response = StreamingHttpResponse(
+        stream_csv(header, rows, dialect),
+        content_type="text/csv; charset=utf-8",
+    )
+    filename = csv_filename(stem, data["date_from"], data["date_to"])
+    response["Content-Disposition"] = f'attachment; filename="{filename}"'
+
+    return response