diff --git a/backend/app/views/auth/api.py b/backend/app/views/auth/api.py
index 22cd634..bd0e893 100644
--- a/backend/app/views/auth/api.py
+++ b/backend/app/views/auth/api.py
@@ -86,6 +86,13 @@ async def get_anon_user(
     return anon_user
 
 
+@router.patch("/anon")
+async def get_anon_user(
+    anon_user: Annotated[schemas.AnonUser, Depends(services.patch_anon_name)]
+) -> schemas.AnonUser:
+    return anon_user
+
+
 @router.get(
     "/captcha/{captcha_id}",
     responses={200: {"content": {"image/png": {}}}},
diff --git a/backend/app/views/auth/schemas.py b/backend/app/views/auth/schemas.py
index 98d2cae..826ef08 100644
--- a/backend/app/views/auth/schemas.py
+++ b/backend/app/views/auth/schemas.py
@@ -48,3 +48,7 @@ class AnonUser(BaseModel):
 
     class Config:
         from_attributes = True
+
+
+class AnonUserPatch(BaseModel):
+    name: str
diff --git a/backend/app/views/auth/services.py b/backend/app/views/auth/services.py
index 92a81a5..112d7e6 100644
--- a/backend/app/views/auth/services.py
+++ b/backend/app/views/auth/services.py
@@ -147,6 +147,27 @@ def get_anon_user(
     return create_anon_user(db)
 
 
+def patch_anon_name(
+    data: schemas.AnonUserPatch,
+    db: Annotated[Session, Depends(get_db)],
+    x_client_id: Annotated[Union[str, None], Header()] = None,
+) -> schemas.AnonUser:
+    if x_client_id:
+        anon = (
+            db.query(models.AnonymousUser)
+            .filter(models.AnonymousUser.id == x_client_id)
+            .first()
+        )
+        if anon:
+            setattr(anon, "name", data.name)
+            db.commit()
+            return anon
+        raise HTTPException(
+            status_code=status.HTTP_418_IM_A_TEAPOT,
+        )
+    return create_anon_user(db)
+
+
 def get_captcha(
     captcha_id: uuid.UUID, db: Annotated[Session, Depends(get_db)]
 ) -> BytesIO:
diff --git a/frontend/app/package-lock.json b/frontend/app/package-lock.json
index 5dc3000..4596ed6 100644
--- a/frontend/app/package-lock.json
+++ b/frontend/app/package-lock.json
@@ -1259,12 +1259,13 @@
       }
     },
     "node_modules/braces": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
-      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "fill-range": "^7.0.1"
+        "fill-range": "^7.1.1"
       },
       "engines": {
         "node": ">=8"
@@ -2045,10 +2046,11 @@
       }
     },
     "node_modules/fill-range": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
-      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "to-regex-range": "^5.0.1"
       },
@@ -2661,6 +2663,7 @@
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
       "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=0.12.0"
       }
@@ -4527,6 +4530,7 @@
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "is-number": "^7.0.0"
       },
diff --git a/frontend/app/src/components/queue/ApproveQueueJoinCard.tsx b/frontend/app/src/components/queue/ApproveQueueJoinCard.tsx
index 13c8822..905c612 100644
--- a/frontend/app/src/components/queue/ApproveQueueJoinCard.tsx
+++ b/frontend/app/src/components/queue/ApproveQueueJoinCard.tsx
@@ -1,6 +1,6 @@
-import React, { useContext } from "react";
+import React, { useContext, useState } from "react";
 import "../styles.css";
-import { Button, Spin } from "antd";
+import { Button, Input, Spin } from "antd";
 import {
   ArrowLeftOutlined,
   FileTextOutlined,
@@ -15,6 +15,7 @@ import {
   useJoinQueueMutation,
 } from "../../slice/QueueApi";
 import { MessageContext } from "../../App";
+import { usePatchAnonMutation } from "../../slice/AuthApi";
 
 const ApproveQueueJoinCard = (props: { id: string }): JSX.Element => {
   const navigate = useNavigate();
@@ -27,6 +28,8 @@ const ApproveQueueJoinCard = (props: { id: string }): JSX.Element => {
     }
   );
   const [joinQueue, { isLoading }] = useJoinQueueMutation();
+  const [patchAnon] = usePatchAnonMutation();
+  const [newName, setNewName] = useState("");
 
   const onJoinButtonClick = () => {
     joinQueue(props.id)
@@ -37,6 +40,13 @@ const ApproveQueueJoinCard = (props: { id: string }): JSX.Element => {
       .catch((e) => messageApi.error(tr(e.data.detail)));
   };
 
+  const patchName = () => {
+    patchAnon({ name: newName })
+      .unwrap()
+      .then(() => messageApi.success(tr("Successfully changed name")))
+      .catch(() => messageApi.error(tr("Error changing name")));
+  };
+
   return (
     <div className="card">
       <Spin spinning={isFetching}>
@@ -67,7 +77,23 @@ const ApproveQueueJoinCard = (props: { id: string }): JSX.Element => {
               {data?.participants?.remaining} / {data?.participants?.total}
             </p>
             <Spin spinning={isLoading}>
-              <Button icon={<PlusOutlined />} onClick={onJoinButtonClick}>
+              <Title level={4}>{tr("Update your name")}</Title>
+              <div style={{ display: "flex", flexFlow: "row", width: "30vw" }}>
+                <Input
+                  value={newName}
+                  onChange={(e) => setNewName(e.target.value)}
+                  placeholder={tr("Enter new name")}
+                />
+                <Button style={{ marginLeft: "1rem" }} onClick={patchName}>
+                  {tr("Update")}
+                </Button>
+              </div>
+              <Button
+                style={{ width: "100%", marginTop: "2rem" }}
+                type="primary"
+                icon={<PlusOutlined />}
+                onClick={onJoinButtonClick}
+              >
                 {tr("Join")}
               </Button>
             </Spin>
diff --git a/frontend/app/src/components/queue/QueueCard.tsx b/frontend/app/src/components/queue/QueueCard.tsx
index 58a14ba..f50fee0 100644
--- a/frontend/app/src/components/queue/QueueCard.tsx
+++ b/frontend/app/src/components/queue/QueueCard.tsx
@@ -1,11 +1,11 @@
-import React, { useContext } from "react";
+import React, { useContext, useState } from "react";
 import {
   useGetQueueDetailQuery,
   useKickFirstActionMutation,
   useStartQueueActionMutation,
 } from "../../slice/QueueApi";
 import "../styles.css";
-import { Button, Spin } from "antd";
+import { Button, QRCode, Spin } from "antd";
 import {
   FieldTimeOutlined,
   FileTextOutlined,
@@ -15,6 +15,8 @@ import {
   PlusCircleOutlined,
   QuestionCircleOutlined,
   UserOutlined,
+  ZoomInOutlined,
+  ZoomOutOutlined,
 } from "@ant-design/icons";
 import Title from "antd/es/typography/Title";
 import tr from "../../config/translation";
@@ -23,6 +25,7 @@ import AnonUserCard from "../user/AnonUserCard";
 import { useSelector } from "react-redux";
 import { StorePrototype } from "../../config/store";
 import { MessageContext } from "../../App";
+import { baseClientUrl } from "../../config/baseUrl";
 
 const getStatusText = (status: string) => {
   switch (status) {
@@ -68,13 +71,16 @@ const QueueCard = (): JSX.Element => {
   const messageApi = useContext(MessageContext);
 
   const { queueId } = useParams();
-  const { data, isFetching, refetch } = useGetQueueDetailQuery(queueId, {
+  const { data, isFetching, refetch, error } = useGetQueueDetailQuery(queueId, {
     skip: !queueId,
   });
   const user = useSelector((state: StorePrototype) => state.auth.user);
   const [kickFirstAction] = useKickFirstActionMutation();
   const [startQueueAction] = useStartQueueActionMutation();
 
+  const [qrShown, setQrShown] = useState(false);
+  const [largeQr, setLargeQr] = useState(false);
+
   const kickFirst = () => {
     if (queueId) {
       kickFirstAction(queueId)
@@ -95,46 +101,103 @@ const QueueCard = (): JSX.Element => {
     }
   };
 
-  return (
-    <div className="card">
-      <Spin
-        indicator={<LoadingOutlined style={{ fontSize: 36 }} spin />}
-        spinning={isFetching}
-      >
-        <div className="queue-info">
-          <Title level={3} style={{ textAlign: "left" }}>
-            {data?.name}
-          </Title>
-          <p>
-            <FileTextOutlined />
-            {"  "}
-            {data?.description}
-          </p>
-          <p>
-            <UserOutlined />
-            {"  "}
-            {data?.participants?.remaining} / {data?.participants?.total}
-          </p>
-          {data && getStatusText(data.status)}
-          {user && user.id && (
-            <div style={{ display: "flex", flexFlow: "row wrap" }}>
-              <Button onClick={kickFirst}>{tr("Kick first")}</Button>
-              {data?.status === "created" && (
-                <Button onClick={startQueue}>{tr("Start queue")}</Button>
-              )}
+  const getJoinLink = () => {
+    if (data) {
+      return baseClientUrl + `/queue/join/${data.id}`;
+    }
+    return baseClientUrl;
+  };
+
+  const copyJoinLink = async () => {
+    if (data) {
+      try {
+        await navigator.clipboard.writeText(getJoinLink());
+        messageApi.success(tr("Copied!"));
+      } catch (error) {
+        messageApi.error(tr("Error occured!"));
+      }
+    }
+  };
+
+  if (!error) {
+    return (
+      <div className="card">
+        <Spin
+          indicator={<LoadingOutlined style={{ fontSize: 36 }} spin />}
+          spinning={isFetching}
+        >
+          <div className="queue-info">
+            <Title level={3} style={{ textAlign: "left" }}>
+              {data?.name}
+            </Title>
+            <p>
+              <FileTextOutlined />
+              {"  "}
+              {data?.description}
+            </p>
+            <p>
+              <UserOutlined />
+              {"  "}
+              {data?.participants?.remaining} / {data?.participants?.total}
+            </p>
+            {data && getStatusText(data.status)}
+            {data && user && user.id === data.owner_id && (
+              <div style={{ display: "flex", flexFlow: "row wrap" }}>
+                <Button onClick={kickFirst}>{tr("Kick first")}</Button>
+                {data?.status === "created" && (
+                  <Button onClick={startQueue}>{tr("Start queue")}</Button>
+                )}
+                <Button onClick={copyJoinLink}>{tr("Copy join link")}</Button>
+                {qrShown ? (
+                  <Button onClick={() => setQrShown(false)}>
+                    {tr("Hide QR-code")}
+                  </Button>
+                ) : (
+                  <Button onClick={() => setQrShown(true)}>
+                    {tr("Show QR-code")}
+                  </Button>
+                )}
+              </div>
+            )}
+          </div>
+          {data && qrShown && (
+            <div style={{ display: "flex", flexFlow: "row nowrap" }}>
+              <QRCode
+                errorLevel="H"
+                value={getJoinLink()}
+                icon={
+                  baseClientUrl + "/static/image/android-chrome-512x512.png"
+                }
+                size={largeQr ? 320 : 160}
+              />
+              <Button
+                icon={largeQr ? <ZoomOutOutlined /> : <ZoomInOutlined />}
+                onClick={() => setLargeQr((v) => !v)}
+              />
             </div>
           )}
-        </div>
-        <div>
-          <Title level={3} style={{ textAlign: "left" }}>
-            {tr("Queue participants")}
-          </Title>
-          {data?.participants.users_list.map((v) => {
-            return <AnonUserCard key={v.id} queueUser={v} queue={data} />;
-          })}
-        </div>
-      </Spin>
-    </div>
+
+          <div>
+            <Title level={3} style={{ textAlign: "left" }}>
+              {tr("Queue participants")}
+            </Title>
+            {data?.participants.users_list.map((v) => {
+              return <AnonUserCard key={v.id} queueUser={v} queue={data} />;
+            })}
+          </div>
+        </Spin>
+      </div>
+    );
+  }
+
+  return (
+    <>
+      <div style={{ width: "100%", marginTop: "3rem" }}>
+        <QuestionCircleOutlined style={{ fontSize: "5rem" }} />
+      </div>
+      <Title>{tr("Queue not found")}</Title>
+      <Title level={3}>404</Title>
+    </>
   );
 };
 export default QueueCard;
diff --git a/frontend/app/src/components/user/AnonUserCard.tsx b/frontend/app/src/components/user/AnonUserCard.tsx
index 1f0389d..4b94f14 100644
--- a/frontend/app/src/components/user/AnonUserCard.tsx
+++ b/frontend/app/src/components/user/AnonUserCard.tsx
@@ -5,7 +5,7 @@ import tr from "../../config/translation";
 import { useSelector } from "react-redux";
 import { StorePrototype } from "../../config/store";
 import { Button } from "antd";
-import { Queue, usePassQueueActionMutation } from "../../slice/QueueApi";
+import { QueueDetail, usePassQueueActionMutation } from "../../slice/QueueApi";
 import { MessageContext } from "../../App";
 
 const UUIDToColor = (uuid: string): string => {
@@ -24,7 +24,7 @@ const getProfileText = (name: string): string => {
 
 const AnonUserCard = (props: {
   queueUser: QueueUser;
-  queue: Queue | undefined;
+  queue: QueueDetail | undefined;
 }): JSX.Element => {
   const messageApi = useContext(MessageContext);
 
@@ -72,7 +72,8 @@ const AnonUserCard = (props: {
       )}
       {props.queueUser &&
         clientId === props.queueUser.user.id &&
-        props.queueUser.position === 0 && (
+        props.queueUser.position === 0 &&
+        props.queue?.status === "active" && (
           <span
             style={{
               marginLeft: "1rem",
@@ -86,10 +87,13 @@ const AnonUserCard = (props: {
           </span>
         )}
       {props.queueUser &&
-        clientId === props.queueUser.user.id &&
-        props.queueUser.position === 0 && (
-          <Button onClick={() => passQueue()}>{tr("Pass")}</Button>
-        )}
+      clientId === props.queueUser.user.id &&
+      props.queueUser.position === 0 &&
+      props.queue?.status === "active" ? (
+        <Button onClick={() => passQueue()}>{tr("Pass")}</Button>
+      ) : (
+        <Button onClick={() => passQueue()}>{tr("Leave")}</Button>
+      )}
       <p></p>
     </div>
   );
diff --git a/frontend/app/src/config/baseUrl.ts b/frontend/app/src/config/baseUrl.ts
index 78bd332..0604e5e 100644
--- a/frontend/app/src/config/baseUrl.ts
+++ b/frontend/app/src/config/baseUrl.ts
@@ -1 +1,2 @@
 export const baseUrl = `${window.location.protocol}//${window.location.host}/api`;
+export const baseClientUrl = `${window.location.protocol}//${window.location.host}`;
diff --git a/frontend/app/src/config/store.ts b/frontend/app/src/config/store.ts
index ef37368..6afacc2 100644
--- a/frontend/app/src/config/store.ts
+++ b/frontend/app/src/config/store.ts
@@ -114,8 +114,9 @@ export const store = configureStore({
         if (theme) {
           state.theme = theme;
         } else {
-          const darkThemeMq = window.matchMedia("(prefers-color-scheme: dark)");
-          state.theme = darkThemeMq.matches ? "dark" : "light";
+          // const darkThemeMq = window.matchMedia("(prefers-color-scheme: dark)"); // TODO
+          // state.theme = darkThemeMq.matches ? "dark" : "light";
+          state.theme = "dark";
         }
       });
     }),
diff --git a/frontend/app/src/config/style.ts b/frontend/app/src/config/style.ts
index a46e01a..5b240bb 100644
--- a/frontend/app/src/config/style.ts
+++ b/frontend/app/src/config/style.ts
@@ -15,6 +15,7 @@ export const darkTheme: ThemeConfig = {
   components: {
     Input: {
       activeBorderColor: "#001529",
+      colorTextPlaceholder: "grey",
     },
   },
 };
diff --git a/frontend/app/src/config/translationMap.json b/frontend/app/src/config/translationMap.json
index e91d10f..74d7a94 100644
--- a/frontend/app/src/config/translationMap.json
+++ b/frontend/app/src/config/translationMap.json
@@ -164,7 +164,46 @@
     "It is your turn!": {
         "ru": "Сейчас ваша очередь!"
     },
+    "Start queue": {
+        "ru": "Начать очередь"
+    },
+    "Copy join link": {
+        "ru": "Скопировать ссылку для вступления"
+    },
+    "Show QR-code": {
+        "ru": "Показать QR-код"
+    },
+    "Hide QR-code": {
+        "ru": "Спрятать QR-код"
+    },
+    "Copied!": {
+        "ru": "Скопировано!"
+    },
     "Pass": {
-        "ru": "Пройти"
+        "ru": "Пройти очередь"
+    },
+    "Leave": {
+        "ru": "Покинуть очередь"
+    },
+    "Queue not found": {
+        "ru": "Очередь не найдена"
+    },
+    "Update your name": {
+        "ru": "Обновите свое имя"
+    },
+    "Enter new name": {
+        "ru": "Введите новое имя"
+    },
+    "Update": {
+        "ru": "Обновить"
+    },
+    "Successfully joined queue": {
+        "ru": "Успешное присоединение к очереди"
+    },
+    "Successfully changed name": {
+        "ru": "Успешное изменение имени"
+    },
+    "Already joined": {
+        "ru": "Вы уже присоединились к этой очереди"
     }
 }
diff --git a/frontend/app/src/slice/AuthApi.ts b/frontend/app/src/slice/AuthApi.ts
index 99f0182..cd4d488 100644
--- a/frontend/app/src/slice/AuthApi.ts
+++ b/frontend/app/src/slice/AuthApi.ts
@@ -37,6 +37,10 @@ export type AnonUser = {
   name: string;
 };
 
+export type AnonUserPatch = {
+  name: string;
+};
+
 export const AuthApi = createApi({
   reducerPath: "AuthApi",
   baseQuery: fetchBaseQuery({
@@ -76,6 +80,13 @@ export const AuthApi = createApi({
         body: data,
       }),
     }),
+    patchAnon: builder.mutation({
+      query: (data: AnonUserPatch) => ({
+        url: "/anon",
+        method: "PATCH",
+        body: data,
+      }),
+    }),
   }),
 });
 
@@ -84,4 +95,5 @@ export const {
   useGetClientQuery,
   useLoginMutation,
   useRegisterMutation,
+  usePatchAnonMutation,
 } = AuthApi;
diff --git a/frontend/app/src/slice/QueueApi.ts b/frontend/app/src/slice/QueueApi.ts
index 33256be..75fd0a6 100644
--- a/frontend/app/src/slice/QueueApi.ts
+++ b/frontend/app/src/slice/QueueApi.ts
@@ -19,6 +19,7 @@ export type QueueDetail = {
   name: string;
   description: string | null;
   status: string;
+  owner_id: string;
   participants: {
     total: number;
     remaining: number;