diff --git a/src/lib/helpers/util.ts b/src/lib/helpers/util.ts
new file mode 100644
index 0000000..ef03edf
--- /dev/null
+++ b/src/lib/helpers/util.ts
@@ -0,0 +1,5 @@
+export const pushHistory = (params: string) => {
+    const currentURL = window.location.href;
+    const baseURL = currentURL.split('?')[0];
+    window.history.pushState(null, '', `${baseURL}${params}`);
+}
\ No newline at end of file
diff --git a/src/lib/loadStorage.ts b/src/lib/loadStorage.ts
new file mode 100644
index 0000000..2b74f9b
--- /dev/null
+++ b/src/lib/loadStorage.ts
@@ -0,0 +1,18 @@
+export function loadStorage(key: string) {
+    switch (key) {
+        case 'stationJDJ':
+            return {
+                common: Number(localStorage.getItem(`${key}Common`)) || 0.5,
+                uncommon: Number(localStorage.getItem(`${key}Uncommon`)) || 1,
+                rare: Number(localStorage.getItem(`${key}Rare`)) || 1,
+                'ultra-rare': Number(localStorage.getItem(`${key}UltraRare`)) || 1,
+                epic: Number(localStorage.getItem(`${key}Epic`)) || 1
+            };
+        case 'stationROCDays':
+            return Number(localStorage.getItem(key)) || 30;
+        case 'stationROCTop':
+            return Number(localStorage.getItem(`${key}`)) || 100;
+        default:
+            return localStorage.getItem(key) || '';
+    }
+}
\ No newline at end of file
diff --git a/src/routes/tools/+layout.server.ts b/src/routes/tools/+layout.server.ts
new file mode 100644
index 0000000..91d4b14
--- /dev/null
+++ b/src/routes/tools/+layout.server.ts
@@ -0,0 +1,12 @@
+import type { LayoutServerLoad } from './$types';
+
+export const load: LayoutServerLoad = async ( { url }) => {
+    const searchParams = url.searchParams;
+    const parameters: {[key: string]: string} = {};
+    for (const [key, value] of searchParams) {
+      parameters[key] = value;
+    }
+    return {
+      "parameters": parameters
+    };
+};
\ No newline at end of file