diff --git a/ressources/components/App.js b/ressources/components/App.js
index e8de0c7..79d0539 100644
--- a/ressources/components/App.js
+++ b/ressources/components/App.js
@@ -65,7 +65,8 @@ export default class App extends React.Component {
   }
 
   componentDidMount() {
-    window.SetSettings = json => {
+    window.SetSettings = base64json => {
+      const json = decodeURIComponent(window.atob(base64json))
       this.setState(JSON.parse(json))
       this.findIntput.focus()
       this.setState({
diff --git a/ressources/index.js b/ressources/index.js
index 720768e..f82f514 100644
--- a/ressources/index.js
+++ b/ressources/index.js
@@ -6,11 +6,11 @@ let dark = true
 
 window.settings = {}
 
-window.updateData = function(json) {
+window.updateData = function(base64json) {
   if (typeof window.SetSettings == 'function') {
-    window.SetSettings(json)
+    window.SetSettings(base64json)
   } else {
-    setTimeout(() => window.updateData(json), 100)
+    setTimeout(() => window.updateData(base64json), 100)
   }
 }
 
diff --git a/src/Find-and-replace.js b/src/Find-and-replace.js
index f9040d1..b993ad3 100644
--- a/src/Find-and-replace.js
+++ b/src/Find-and-replace.js
@@ -207,9 +207,10 @@ export default function() {
       state = Object.assign({}, state, { init })
     }
     if (isWebviewPresent(windowOptions.identifier)) {
+      let base64EncodedState = Buffer.from(encodeURIComponent(JSON.stringify(state))).toString("base64")
       sendToWebview(
         windowOptions.identifier,
-        `updateData('${JSON.stringify(state)}')`
+        `updateData('${base64EncodedState}')`
       )
     }
     state = Object.assign({}, state, { init: false })