diff --git a/pages/deploy/[[...slug]].tsx b/pages/deploy/[[...slug]].tsx
index 1614fa6..370151f 100644
--- a/pages/deploy/[[...slug]].tsx
+++ b/pages/deploy/[[...slug]].tsx
@@ -1,8 +1,9 @@
-import React from "react";
 import dynamic from "next/dynamic";
+import React from "react";
+import Split from "react-split";
 import { useSnapshot } from "valtio";
 import state from "../../state";
-import Split from "react-split";
+import { getSplit, saveSplit } from "../../state/actions/persistSplits";
 
 const DeployEditor = dynamic(() => import("../../components/DeployEditor"), {
   ssr: false,
@@ -17,21 +18,22 @@ const LogBox = dynamic(() => import("../../components/LogBox"), {
 });
 
 const Deploy = () => {
-  const snap = useSnapshot(state);
+  const { deployLogs } = useSnapshot(state);
   return (
     <Split
       direction="vertical"
       gutterSize={4}
       gutterAlign="center"
-      sizes={[40, 60]}
+      sizes={getSplit("deployVertical") || [40, 60]}
       style={{ height: "calc(100vh - 60px)" }}
+      onDragEnd={(e) => saveSplit("deployVertical", e)}
     >
       <main style={{ display: "flex", flex: 1, position: "relative" }}>
         <DeployEditor />
       </main>
       <Split
         direction="horizontal"
-        sizes={[50, 50]}
+        sizes={getSplit("deployHorizontal") || [50, 50]}
         minSize={[320, 160]}
         gutterSize={4}
         gutterAlign="center"
@@ -41,6 +43,7 @@ const Deploy = () => {
           width: "100%",
           height: "100%",
         }}
+        onDragEnd={(e) => saveSplit("deployHorizontal", e)}
       >
         <div style={{ alignItems: "stretch", display: "flex" }}>
           <Accounts />
@@ -48,7 +51,7 @@ const Deploy = () => {
         <div>
           <LogBox
             title="Deploy Log"
-            logs={snap.deployLogs}
+            logs={deployLogs}
             clearLog={() => (state.deployLogs = [])}
           />
         </div>
diff --git a/pages/develop/[[...slug]].tsx b/pages/develop/[[...slug]].tsx
index d094997..d3de800 100644
--- a/pages/develop/[[...slug]].tsx
+++ b/pages/develop/[[...slug]].tsx
@@ -1,14 +1,15 @@
-import dynamic from "next/dynamic";
-import { useSnapshot } from "valtio";
-import Hotkeys from "react-hot-keys";
-import { Play } from "phosphor-react";
-import Split from "react-split";
-
 import type { NextPage } from "next";
-import { compileCode } from "../../state/actions";
-import state from "../../state";
-import Button from "../../components/Button";
+import dynamic from "next/dynamic";
+import { Play } from "phosphor-react";
+import Hotkeys from "react-hot-keys";
+import Split from "react-split";
+import { useSnapshot } from "valtio";
 import Box from "../../components/Box";
+import Button from "../../components/Button";
+import state from "../../state";
+import { compileCode } from "../../state/actions";
+import { getSplit, saveSplit } from "../../state/actions/persistSplits";
+
 
 const HooksEditor = dynamic(() => import("../../components/HooksEditor"), {
   ssr: false,
@@ -24,11 +25,12 @@ const Home: NextPage = () => {
   return (
     <Split
       direction="vertical"
-      sizes={[70, 30]}
+      sizes={getSplit("developVertical") || [70, 30]}
       minSize={[100, 100]}
       gutterAlign="center"
       gutterSize={4}
       style={{ height: "calc(100vh - 60px)" }}
+      onDragEnd={(e) => saveSplit("developVertical", e)}
     >
       <main style={{ display: "flex", flex: 1, position: "relative" }}>
         <HooksEditor />
diff --git a/pages/test/[[...slug]].tsx b/pages/test/[[...slug]].tsx
index 2d0bdeb..4fc3be3 100644
--- a/pages/test/[[...slug]].tsx
+++ b/pages/test/[[...slug]].tsx
@@ -1,22 +1,17 @@
-import {
-  Container,
-  Flex,
-  Box,
-  Tabs,
-  Tab,
-  Input,
-  Select,
-  Text,
-  Button,
-} from "../../components";
-import { Play } from "phosphor-react";
 import dynamic from "next/dynamic";
-import { useSnapshot } from "valtio";
+import { Play } from "phosphor-react";
+import { FC, useCallback, useEffect, useState } from "react";
 import Split from "react-split";
+import { useSnapshot } from "valtio";
+import {
+  Box, Button, Container,
+  Flex, Input,
+  Select, Tab, Tabs, Text
+} from "../../components";
+import transactionsData from "../../content/transactions.json";
 import state from "../../state";
 import { sendTransaction } from "../../state/actions";
-import { useCallback, useEffect, useState, FC } from "react";
-import transactionsData from "../../content/transactions.json";
+import { getSplit, saveSplit } from "../../state/actions/persistSplits";
 
 const DebugStream = dynamic(() => import("../../components/DebugStream"), {
   ssr: false,
@@ -349,16 +344,17 @@ const Transaction: FC<Props> = ({ header, ...props }) => {
 };
 
 const Test = () => {
-  const snap = useSnapshot(state);
+  const { transactionLogs, splits } = useSnapshot(state);
   const [tabHeaders, setTabHeaders] = useState<string[]>(["test1.json"]);
   return (
     <Container css={{ px: 0 }}>
       <Split
         direction="vertical"
-        sizes={[50, 50]}
+        sizes={getSplit("testVertical") || [50, 50]}
         gutterSize={4}
         gutterAlign="center"
         style={{ height: "calc(100vh - 60px)" }}
+        onDragEnd={(e) => saveSplit("testVertical", e)}
       >
         <Flex
           row
@@ -370,7 +366,7 @@ const Test = () => {
         >
           <Split
             direction="horizontal"
-            sizes={[50, 50]}
+            sizes={getSplit("testHorizontal") || [50, 50]}
             minSize={[180, 320]}
             gutterSize={4}
             gutterAlign="center"
@@ -380,6 +376,7 @@ const Test = () => {
               width: "100%",
               height: "100%",
             }}
+            onDragEnd={(e) => saveSplit("testHorizontal", e)}
           >
             <Box css={{ width: "55%", px: "$2" }}>
               <Tabs
@@ -428,7 +425,7 @@ const Test = () => {
             >
               <LogBox
                 title="Development Log"
-                logs={snap.transactionLogs}
+                logs={transactionLogs}
                 clearLog={() => (state.transactionLogs = [])}
               />
             </Box>
diff --git a/state/actions/persistSplits.ts b/state/actions/persistSplits.ts
new file mode 100644
index 0000000..9d23619
--- /dev/null
+++ b/state/actions/persistSplits.ts
@@ -0,0 +1,16 @@
+import { snapshot } from "valtio"
+import state from ".."
+
+export type SplitSize = number[]
+
+export const saveSplit = (splitId: string, event: SplitSize) => {
+  console.log(splitId, event)
+  state.splits[splitId] = event
+}
+
+export const getSplit = (splitId: string): SplitSize | null => {
+  const { splits } = snapshot(state)
+  const split = splits[splitId]
+  return split ? split : null
+}
+
diff --git a/state/index.ts b/state/index.ts
index 1b7cbed..661426d 100644
--- a/state/index.ts
+++ b/state/index.ts
@@ -1,7 +1,8 @@
-import { proxy, ref, subscribe } from "valtio";
-import { devtools } from 'valtio/utils'
 import type monaco from "monaco-editor";
+import { proxy, ref, subscribe } from "valtio";
+import { devtools } from 'valtio/utils';
 import { XrplClient } from "xrpl-client";
+import { SplitSize } from "./actions/persistSplits";
 
 export interface IFile {
   name: string;
@@ -55,6 +56,9 @@ export interface IState {
   editorSettings: {
     tabSize: number;
   };
+  splits: {
+    [id: string]: SplitSize
+  };
   client: XrplClient | null;
   clientStatus: "offline" | "online";
   mainModalOpen: boolean;
@@ -83,6 +87,7 @@ let initialState: IState = {
   editorSettings: {
     tabSize: 2,
   },
+  splits: {},
   client: null,
   clientStatus: "offline" as "offline",
   mainModalOpen: false,
@@ -139,4 +144,4 @@ if (typeof window !== "undefined") {
     }
   });
 }
-export default state
\ No newline at end of file
+export default state