diff --git a/routes.json b/routes.json
index 97fd2bc..1fb9273 100644
--- a/routes.json
+++ b/routes.json
@@ -33,5 +33,10 @@
         "path": "guides/reader-settings",
         "title": "Reader settings | LNReader",
         "description": "This section relates to the reading experience in the app and navigating the reader."
+    },
+    {
+        "path": "guides/upgrade",
+        "title": "Upgrade helper | LNReader",
+        "description": "Instructions to migrate app from old version to the latest."
     }
 ]
\ No newline at end of file
diff --git a/src/App.tsx b/src/App.tsx
index 7e76e65..dd08d89 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -11,6 +11,7 @@ import Changelogs from "@routes/changelogs";
 import Contribute from "@routes/contribute";
 import Plugins from "@routes/plugins";
 import NotFound from "./404";
+import Upgrade from "@routes/guides/upgrade";
 
 function App() {
   const theme = useTheme();
@@ -84,6 +85,7 @@ function App() {
               <Route path="getting-started" element={<GettingStarted />} />
               <Route path="backups" element={<Backups />} />
               <Route path="reader-settings" element={<ReaderSettings />} />
+              <Route path="upgrade" element={<Upgrade />} />
             </Route>
           </Route>
           <Route path="*" Component={NotFound} />
diff --git a/src/components/SideBar/index.tsx b/src/components/SideBar/index.tsx
index 4a4c2ac..abcf378 100644
--- a/src/components/SideBar/index.tsx
+++ b/src/components/SideBar/index.tsx
@@ -31,6 +31,7 @@ const guideNavs = [
   { title: "Getting started", link: "/guides/getting-started" },
   { title: "Backups", link: "/guides/backups" },
   { title: "Reader settings", link: "/guides/reader-settings" },
+  { title: "Upgrade", link: "/guides/upgrade" },
 ];
 
 export default function SideBar(props: Props) {
diff --git a/src/routes/guides/upgrade/index.tsx b/src/routes/guides/upgrade/index.tsx
new file mode 100644
index 0000000..9a48b4d
--- /dev/null
+++ b/src/routes/guides/upgrade/index.tsx
@@ -0,0 +1,294 @@
+import Layout from "@components/Layout";
+import Page from "@components/Page";
+import {
+  Alert,
+  Box,
+  Button,
+  IconButton,
+  styled,
+  Typography,
+} from "@mui/material";
+import UploadFileRoundedIcon from "@mui/icons-material/UploadFileRounded";
+import SimCardDownloadIcon from "@mui/icons-material/SimCardDownload";
+import { useTheme } from "@hooks/useTheme";
+import { useEffect, useState } from "react";
+import { NovelInfo, PluginItem } from "../../../types";
+import PublicIcon from "@mui/icons-material/Public";
+
+interface OldNovelInfo {
+  novelId: number;
+  sourceUrl: string;
+  novelUrl: string;
+  sourceId: number;
+  source: string;
+  novelName: string;
+  novelCover?: string;
+  novelSummary?: string;
+  genre?: string;
+  author?: string;
+  status?: string;
+  followed: number;
+  categoryIds: string;
+}
+
+const VisuallyHiddenInput = styled("input")({
+  clip: "rect(0 0 0 0)",
+  clipPath: "inset(50%)",
+  height: 1,
+  overflow: "hidden",
+  position: "absolute",
+  bottom: 0,
+  left: 0,
+  whiteSpace: "nowrap",
+  width: 1,
+});
+
+const isUrlAbsolute = (url: string) => {
+  if (url) {
+    if (url.indexOf("//") === 0) {
+      return true;
+    } // URL is protocol-relative (= absolute)
+    if (url.indexOf("://") === -1) {
+      return false;
+    } // URL has no protocol (= relative)
+    if (url.indexOf(".") === -1) {
+      return false;
+    } // URL does not contain a dot, i.e. no TLD (= relative, possibly REST)
+    if (url.indexOf("/") === -1) {
+      return false;
+    } // URL does not contain a single slash (= relative)
+    if (url.indexOf(":") > url.indexOf("/")) {
+      return false;
+    } // The first colon comes after the first slash (= relative)
+    if (url.indexOf("://") < url.indexOf(".")) {
+      return true;
+    } // Protocol is defined before first dot (= absolute)
+  }
+  return false; // Anything else must be relative
+};
+
+export default function Upgrade() {
+  const theme = useTheme();
+  const [plugins, setPlugins] = useState<PluginItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [migratedNovels, setMigratedNovel] = useState<NovelInfo[]>([]);
+  const [requiredPlugins, setRequiredPlugins] = useState<PluginItem[]>([]);
+  const [showAlert, setShowAlert] = useState(false);
+  useEffect(() => {
+    fetch(
+      "https://raw.githubusercontent.com/LNReader/lnreader-plugins/plugins/v3.0.0/.dist/plugins.min.json"
+    )
+      .then((res) => res.json())
+      .then((plugins) => {
+        setPlugins(plugins);
+        setLoading(false);
+      });
+  }, []);
+
+  const findSuitedPlugin = (novel: OldNovelInfo) => {
+    let novelSiteUrl;
+    try {
+      novelSiteUrl = new URL(novel.sourceUrl);
+    } catch {
+      return undefined;
+    }
+    const novelSiteDomain = novelSiteUrl.hostname.replace(/www\./, "");
+    for (const plugin of plugins) {
+      const pluginSiteUrl = new URL(plugin.site);
+      const pluginSiteDomain = pluginSiteUrl.hostname.replace(/www\./, "");
+      if (pluginSiteDomain === novelSiteDomain) {
+        return plugin;
+      }
+    }
+
+    return undefined;
+  };
+
+  const migrateNovels = (oldNovels: OldNovelInfo[]) => {
+    const migratedNovels: NovelInfo[] = [];
+    const requiredPlugins = new Set<PluginItem>();
+    for (const oldNovel of oldNovels) {
+      const plugin = findSuitedPlugin(oldNovel);
+      let novelUrl = oldNovel.novelUrl;
+      if (plugin) {
+        if (isUrlAbsolute(novelUrl)) {
+          novelUrl = oldNovel.novelUrl.replace(plugin.site, "");
+        }
+        if (plugin.id === "boxnovel") {
+          novelUrl = "novel/" + novelUrl + "/";
+        }
+        migratedNovels.push({
+          id: oldNovel.novelId,
+          path: novelUrl,
+          pluginId: plugin.id,
+          name: oldNovel.novelName,
+          cover: oldNovel.novelCover,
+          summary: oldNovel.novelSummary,
+          author: oldNovel.author,
+          status: oldNovel.status,
+          genres: oldNovel.genre,
+          inLibrary: Boolean(oldNovel.followed),
+          isLocal: false,
+          totalPages: 0,
+        });
+        requiredPlugins.add(plugin);
+      }
+    }
+
+    setMigratedNovel(migratedNovels);
+    setRequiredPlugins(Array.from(requiredPlugins));
+  };
+
+  const PluginCard = ({ plugin }: { plugin: PluginItem }) => {
+    return (
+      <Button
+        sx={{
+          my: 1,
+          display: "flex",
+          backgroundColor: theme.surfaceVariant,
+          p: 1,
+          borderRadius: 2,
+          width: "100%",
+          justifyContent: "left",
+          textTransform: "none",
+        }}
+        onClick={() => {
+          navigator.clipboard
+            .writeText(plugin.name)
+            .then(() => setShowAlert(true));
+        }}
+      >
+        <img src={plugin.iconUrl} alt="icon" height={30} width={30} />
+        <Box sx={{ ml: 2, textAlign: "left" }}>
+          <Typography>{plugin.name}</Typography>
+          <Typography variant="caption">{plugin.id}</Typography>
+        </Box>
+        <Box sx={{ flex: 1 }}></Box>
+        <IconButton sx={{ height: "100%" }} href={plugin.site} target="_blank">
+          <PublicIcon />
+        </IconButton>
+      </Button>
+    );
+  };
+
+  useEffect(() => {
+    if (showAlert) {
+      setTimeout(() => setShowAlert(false), 1000);
+    }
+  }, [showAlert]);
+
+  return (
+    <Layout>
+      <Page
+        title="Upgrade 1.x.x to 2.0.0"
+        content={
+          <Box
+            sx={{
+              pt: 2,
+            }}
+          >
+            {showAlert ? (
+              <Alert
+                variant="filled"
+                sx={{
+                  position: "fixed",
+                  top: 70,
+                  right: 10,
+                  zIndex: 1000,
+                }}
+                severity="success"
+              >
+                Copied name.
+              </Alert>
+            ) : null}
+            <Box
+              sx={{
+                display: "flex",
+                flexDirection: { xs: "column", md: "row" },
+                gap: 4,
+              }}
+            >
+              <Button
+                component="label"
+                variant="contained"
+                tabIndex={-1}
+                startIcon={
+                  <UploadFileRoundedIcon sx={{ fill: theme.onSecondary }} />
+                }
+                disabled={loading}
+                sx={{ textTransform: "none" }}
+              >
+                Upload 1.x.x backup file
+                <VisuallyHiddenInput
+                  type="file"
+                  onChange={(ev) => {
+                    try {
+                      setLoading(true);
+                      const file = ev.target.files?.[0];
+                      if (file) {
+                        const reader = new FileReader();
+                        reader.onload = (e) => {
+                          try {
+                            if (typeof e.target?.result === "string") {
+                              const oldNovels = JSON.parse(e.target.result);
+                              migrateNovels(oldNovels);
+                            }
+                          } catch (e) {
+                            alert(e);
+                          }
+                        };
+                        reader.readAsText(file);
+                      }
+                    } finally {
+                      setLoading(false);
+                    }
+                  }}
+                />
+              </Button>
+              {!loading && migratedNovels.length ? (
+                <Button
+                  component="label"
+                  variant="contained"
+                  tabIndex={-1}
+                  startIcon={
+                    <SimCardDownloadIcon sx={{ fill: theme.onTertiary }} />
+                  }
+                  disabled={loading}
+                  sx={{
+                    textTransform: "none",
+                    bgcolor: theme.tertiary,
+                    color: theme.onTertiary,
+                  }}
+                  onClick={() => {
+                    if (migratedNovels.length) {
+                      const migratedBlob = new Blob(
+                        [JSON.stringify(migratedNovels)],
+                        {
+                          type: "application/json",
+                        }
+                      );
+                      const link = document.createElement("a");
+                      link.href = window.URL.createObjectURL(migratedBlob);
+                      link.setAttribute("download", `migrated-backup.json`);
+                      document.body.appendChild(link);
+                      link.click();
+                      link.parentNode?.removeChild(link);
+                    }
+                  }}
+                >
+                  Download ({migratedNovels.length} novels)
+                </Button>
+              ) : null}
+            </Box>
+            <Box sx={{ mt: 2 }}>
+              <Typography variant="h6">Required plugins</Typography>
+              {requiredPlugins.map((plugin) => (
+                <PluginCard key={plugin.id} plugin={plugin} />
+              ))}
+            </Box>
+          </Box>
+        }
+      />
+    </Layout>
+  );
+}
diff --git a/src/types/index.ts b/src/types/index.ts
new file mode 100644
index 0000000..45bd33d
--- /dev/null
+++ b/src/types/index.ts
@@ -0,0 +1,34 @@
+export interface PluginItem {
+  id: string;
+  name: string;
+  version: string;
+  iconUrl: string;
+  site: string;
+  lang: string;
+}
+
+export enum NovelStatus {
+  Unknown = "Unknown",
+  Ongoing = "Ongoing",
+  Completed = "Completed",
+  Licensed = "Licensed",
+  PublishingFinished = "Publishing Finished",
+  Cancelled = "Cancelled",
+  OnHiatus = "On Hiatus",
+}
+
+export interface NovelInfo {
+  id: number;
+  path: string;
+  pluginId: string;
+  name: string;
+  cover?: string;
+  summary?: string;
+  author?: string;
+  artist?: string;
+  status?: NovelStatus | string;
+  genres?: string;
+  inLibrary: boolean;
+  isLocal: boolean;
+  totalPages: number;
+}