diff --git a/components/Transaction/index.tsx b/components/Transaction/index.tsx
index a177806..da10c1e 100644
--- a/components/Transaction/index.tsx
+++ b/components/Transaction/index.tsx
@@ -93,15 +93,29 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     }
   }, [selectedAccount?.value, selectedTransaction?.value, setState, txIsLoading])
 
+  const getJsonString = useCallback(
+    (state?: Partial<TransactionState>) =>
+      JSON.stringify(prepareOptions?.(state) || {}, null, editorSettings.tabSize),
+    [editorSettings.tabSize, prepareOptions]
+  )
+
+  const saveEditorState = useCallback(
+    (value: string = '', transactionType?: string) => {
+      const pTx = prepareState(value, transactionType)
+      if (pTx) {
+        pTx.editorValue = getJsonString(pTx)
+        return setState(pTx)
+      }
+    },
+    [getJsonString, setState]
+  )
+
   const submitTest = useCallback(async () => {
     let st: TransactionState | undefined
     const tt = txState.selectedTransaction?.value
     if (viewType === 'json') {
-      // save the editor state first
-      const pst = prepareState(editorValue || '', tt)
-      if (!pst) return
-
-      st = setState(pst)
+      st = saveEditorState(editorValue, tt)
+      if (!st) return
     }
 
     const account = accounts.find(acc => acc.address === selectedAccount?.value)
@@ -132,23 +146,18 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     }
     setState({ txIsLoading: false })
   }, [
+    txState.selectedTransaction?.value,
     viewType,
     accounts,
     txIsDisabled,
     setState,
     header,
+    saveEditorState,
     editorValue,
-    txState,
     selectedAccount?.value,
     prepareOptions
   ])
 
-  const getJsonString = useCallback(
-    (state?: Partial<TransactionState>) =>
-      JSON.stringify(prepareOptions?.(state) || {}, null, editorSettings.tabSize),
-    [editorSettings.tabSize, prepareOptions]
-  )
-
   const resetState = useCallback(
     (transactionType: SelectOption | undefined = defaultTransactionType) => {
       const fields = getTxFields(transactionType?.value)
@@ -201,11 +210,21 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     [accounts, prepareOptions, setState, txState]
   )
 
+  const switchToJson = useCallback(() => {
+    const editorValue = getJsonString()
+    setState({ viewType: 'json', editorValue })
+  }, [getJsonString, setState])
+
+  const switchToUI = useCallback(() => {
+    setState({ viewType: 'ui' })
+  }, [setState])
+
   return (
     <Box css={{ position: 'relative', height: 'calc(100% - 28px)' }} {...props}>
       {viewType === 'json' ? (
         <TxJson
           getJsonString={getJsonString}
+          saveEditorState={saveEditorState}
           header={header}
           state={txState}
           setState={setState}
@@ -213,6 +232,7 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         />
       ) : (
         <TxUI
+          switchToJson={switchToJson}
           state={txState}
           resetState={resetState}
           setState={setState}
@@ -233,8 +253,8 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         <Button
           onClick={() => {
             if (viewType === 'ui') {
-              setState({ viewType: 'json' })
-            } else setState({ viewType: 'ui' })
+              switchToJson()
+            } else switchToUI()
           }}
           outline
         >
diff --git a/components/Transaction/json.tsx b/components/Transaction/json.tsx
index c4aa2d9..4e78be2 100644
--- a/components/Transaction/json.tsx
+++ b/components/Transaction/json.tsx
@@ -1,6 +1,6 @@
-import { FC, useCallback, useEffect, useMemo, useState } from 'react'
+import { FC, useCallback, useEffect, useState } from 'react'
 import { useSnapshot } from 'valtio'
-import state, { prepareState, transactionsData, TransactionState } from '../../state'
+import state, { transactionsData, TransactionState } from '../../state'
 import Text from '../Text'
 import { Flex, Link } from '..'
 import { showAlert } from '../../state/actions/showAlert'
@@ -11,27 +11,27 @@ import Monaco from '../Monaco'
 import type monaco from 'monaco-editor'
 
 interface JsonProps {
-  getJsonString?: (state?: Partial<TransactionState>) => string
+  getJsonString: (st?: Partial<TransactionState>) => string
+  saveEditorState: (val?: string, tt?: string) => TransactionState | undefined
   header?: string
   setState: (pTx?: Partial<TransactionState> | undefined) => void
   state: TransactionState
   estimateFee?: () => Promise<string | undefined>
 }
 
-export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, setState }) => {
+export const TxJson: FC<JsonProps> = ({
+  getJsonString,
+  state: txState,
+  header,
+  setState,
+  saveEditorState
+}) => {
   const { editorSettings, accounts } = useSnapshot(state)
-  const { editorValue, estimatedFee } = txState
+  const { editorValue, estimatedFee, editorIsSaved } = txState
   const [currTxType, setCurrTxType] = useState<string | undefined>(
     txState.selectedTransaction?.value
   )
 
-  useEffect(() => {
-    setState({
-      editorValue: getJsonString?.()
-    })
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [])
-
   useEffect(() => {
     const parsed = parseJSON(editorValue)
     if (!parsed) return
@@ -44,29 +44,19 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
     }
   }, [editorValue])
 
-  const saveState = (value: string, transactionType?: string) => {
-    const tx = prepareState(value, transactionType)
-    if (tx) {
-      setState(tx)
-      setState({
-        editorValue: getJsonString?.(tx)
-      })
-    }
-  }
-
   const discardChanges = () => {
     showAlert('Confirm', {
       body: 'Are you sure to discard these changes?',
       confirmText: 'Yes',
       onCancel: () => {},
-      onConfirm: () => setState({ editorValue: getJsonString?.() })
+      onConfirm: () => setState({ editorValue: getJsonString() })
     })
   }
 
   const onExit = (value: string) => {
     const options = parseJSON(value)
     if (options) {
-      saveState(value, currTxType)
+      saveEditorState(value, currTxType)
       return
     }
     showAlert('Error!', {
@@ -163,8 +153,6 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
     })
   }, [getSchemas, monacoInst])
 
-  const hasUnsaved = useMemo(() => editorValue !== getJsonString?.(), [editorValue, getJsonString])
-
   return (
     <Monaco
       rootProps={{
@@ -174,7 +162,7 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
       id={header}
       height="100%"
       value={editorValue}
-      onChange={val => setState({ editorValue: val })}
+      onChange={val => setState({ editorValue: val, editorIsSaved: false })}
       onMount={(editor, monaco) => {
         editor.updateOptions({
           minimap: { enabled: false },
@@ -190,12 +178,12 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
         model?.onWillDispose(() => onExit(model.getValue()))
       }}
       overlay={
-        hasUnsaved ? (
+        !editorIsSaved ? (
           <Flex row align="center" css={{ fontSize: '$xs', color: '$textMuted', ml: 'auto' }}>
             <Text muted small>
               This file has unsaved changes.
             </Text>
-            <Link css={{ ml: '$1' }} onClick={() => saveState(editorValue || '', currTxType)}>
+            <Link css={{ ml: '$1' }} onClick={() => saveEditorState(editorValue, currTxType)}>
               save
             </Link>
             <Link css={{ ml: '$1' }} onClick={discardChanges}>
diff --git a/components/Transaction/ui.tsx b/components/Transaction/ui.tsx
index 34cc3aa..fffa7ad 100644
--- a/components/Transaction/ui.tsx
+++ b/components/Transaction/ui.tsx
@@ -25,9 +25,16 @@ interface UIProps {
   resetState: (tt?: SelectOption) => TransactionState | undefined
   state: TransactionState
   estimateFee?: (...arg: any) => Promise<string | undefined>
+  switchToJson: () => void
 }
 
-export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estimateFee }) => {
+export const TxUI: FC<UIProps> = ({
+  state: txState,
+  setState,
+  resetState,
+  estimateFee,
+  switchToJson
+}) => {
   const { accounts } = useSnapshot(state)
   const {
     selectedAccount,
@@ -102,8 +109,6 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
     [handleEstimateFee, resetState, setState]
   )
 
-  const switchToJson = () => setState({ viewType: 'json' })
-
   // default tx
   useEffect(() => {
     if (selectedTransaction?.value) return
diff --git a/state/transactions.ts b/state/transactions.ts
index 4d270e4..57c3afe 100644
--- a/state/transactions.ts
+++ b/state/transactions.ts
@@ -36,6 +36,7 @@ export interface TransactionState {
   txFields: TxFields
   viewType: 'json' | 'ui'
   editorValue?: string
+  editorIsSaved: boolean
   estimatedFee?: string
 }
 
@@ -53,6 +54,7 @@ export const defaultTransaction: TransactionState = {
   selectedFlags: null,
   hookParameters: {},
   memos: {},
+  editorIsSaved: true,
   txIsLoading: false,
   txIsDisabled: false,
   txFields: {},
@@ -271,6 +273,7 @@ export const prepareState = (value: string, transactionType?: string) => {
   })
 
   tx.txFields = rest
+  tx.editorIsSaved = true;
 
   return tx
 }