diff --git a/akarpov/files/views.py b/akarpov/files/views.py
index 5c5dc20..64a46ab 100644
--- a/akarpov/files/views.py
+++ b/akarpov/files/views.py
@@ -46,6 +46,10 @@ def check_permissions(self, request):
 
 
 class MyChunkedUploadCompleteView(ChunkedUploadCompleteView):
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        self.message = "file is successfully uploaded"
+
     model = ChunkedUpload
 
     def check_permissions(self, request):
@@ -55,14 +59,14 @@ def check_permissions(self, request):
             )
 
     def on_completion(self, uploaded_file, request):
-        File.objects.create(user=request.user, file=uploaded_file)
+        if uploaded_file.size <= request.user.left_file_upload:
+            File.objects.create(user=request.user, file=uploaded_file)
+            request.user.left_file_upload -= uploaded_file.size
+            request.user.save()
+        else:
+            self.message = "File is too large"
         if os.path.isfile(uploaded_file.file.path):
             os.remove(uploaded_file.file.path)
 
     def get_response_data(self, chunked_upload, request):
-        return {
-            "message": (
-                "You successfully uploaded '%s' (%s bytes)!"
-                % (chunked_upload.filename, chunked_upload.offset)
-            )
-        }
+        return {"message": (self.message)}
diff --git a/akarpov/templates/files/upload.html b/akarpov/templates/files/upload.html
index 646b843..ae7daa2 100644
--- a/akarpov/templates/files/upload.html
+++ b/akarpov/templates/files/upload.html
@@ -71,7 +71,6 @@
             {"name": "upload_id", "value": data.result.upload_id}
           );
         }
-        $("#messages").append($('<p>').text(JSON.stringify(data.result)));
         var progress = parseInt(data.loaded / data.total * 100.0, 10);
         $("#progress").text(Array(progress).join("=") + "> " + progress + "%");
       },
diff --git a/akarpov/users/admin.py b/akarpov/users/admin.py
index a8cb5d0..29bdccf 100644
--- a/akarpov/users/admin.py
+++ b/akarpov/users/admin.py
@@ -29,7 +29,7 @@ class UserAdmin(auth_admin.UserAdmin):
             },
         ),
         (_("Important dates"), {"fields": ("last_login", "date_joined")}),
-        (_("Other"), {"fields": ("short_link",)}),
+        (_("Other"), {"fields": ("short_link", "left_file_upload")}),
     )
     list_display = ["username", "is_superuser"]
     search_fields = ["username", "email"]
diff --git a/akarpov/users/migrations/0007_user_left_file_upload.py b/akarpov/users/migrations/0007_user_left_file_upload.py
new file mode 100644
index 0000000..e0558dc
--- /dev/null
+++ b/akarpov/users/migrations/0007_user_left_file_upload.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2 on 2023-04-06 10:37
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("users", "0006_user_slug"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="user",
+            name="left_file_upload",
+            field=models.IntegerField(
+                default=0,
+                validators=[django.core.validators.MinValueValidator(0)],
+                verbose_name="Left file upload(in bites)",
+            ),
+        ),
+    ]
diff --git a/akarpov/users/models.py b/akarpov/users/models.py
index 4b8eb3b..f9783ba 100644
--- a/akarpov/users/models.py
+++ b/akarpov/users/models.py
@@ -1,5 +1,6 @@
 from django.contrib.auth.models import AbstractUser
-from django.db.models import CharField, TextField
+from django.core.validators import MinValueValidator
+from django.db.models import CharField, IntegerField, TextField
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
@@ -20,6 +21,11 @@ class User(AbstractUser, BaseImageModel, ShortLink):
     first_name = None  # type: ignore
     last_name = None  # type: ignore
 
+    # files
+    left_file_upload = IntegerField(
+        "Left file upload(in bites)", default=0, validators=[MinValueValidator(0)]
+    )
+
     def get_absolute_url(self):
         """Get url for user's detail view.