diff --git a/public/script.js b/public/script.js
index f99f29d65..31f6e10a0 100644
--- a/public/script.js
+++ b/public/script.js
@@ -3200,7 +3200,6 @@ async function displayPastChats() {
 
     $("#load_select_chat_div").css("display", "none");
     $("#ChatHistoryCharName").text(displayName);
-
     for (const key in data) {
         let strlen = 300;
         let mes = data[key]["mes"];
@@ -3210,11 +3209,12 @@ async function displayPastChats() {
                 mes = "..." + mes.substring(mes.length - strlen);
             }
 
+            const file_size = data[key]["file_size"];
             const fileName = data[key]['file_name'];
             const template = $('#past_chat_template .select_chat_block_wrapper').clone();
             template.find('.select_chat_block').attr('file_name', fileName);
             template.find('.avatar img').attr('src', avatarImg);
-            template.find('.select_chat_block_filename').text(fileName);
+            template.find('.select_chat_block_filename').text(fileName + " (" + file_size + ")");
             template.find('.select_chat_block_mes').text(mes);
             template.find('.PastChat_cross').attr('file_name', fileName);
 
diff --git a/public/scripts/group-chats.js b/public/scripts/group-chats.js
index 4cbefd100..bbff238c4 100644
--- a/public/scripts/group-chats.js
+++ b/public/scripts/group-chats.js
@@ -700,7 +700,7 @@ async function deleteGroup(id) {
     }
 }
 
-export async function editGroup(id, immediately, reload=true) {
+export async function editGroup(id, immediately, reload = true) {
     let group = groups.find((x) => x.id === id);
 
     if (!group) {
@@ -1122,8 +1122,9 @@ export async function getGroupPastChats(groupId) {
     try {
         for (const chatId of group.chats) {
             const messages = await loadGroupChat(chatId);
+            let this_chat_file_size = (JSON.stringify(messages).length / 1024).toFixed(2) + "kb";
             const lastMessage = messages.length ? messages[messages.length - 1].mes : '[The chat is empty]';
-            chats.push({ 'file_name': chatId, 'mes': lastMessage });
+            chats.push({ 'file_name': chatId, 'mes': lastMessage, 'file_size': this_chat_file_size });
         }
     } catch (err) {
         console.error(err);
diff --git a/server.js b/server.js
index 9e2942f7c..74893b5b0 100644
--- a/server.js
+++ b/server.js
@@ -285,7 +285,7 @@ app.get('/get_faq', function (_, response) {
 app.get('/get_readme', function (_, response) {
     response.sendFile(__dirname + "/readme.md");
 });
-app.get('/deviceinfo', function(request, response) {
+app.get('/deviceinfo', function (request, response) {
     const userAgent = request.header('user-agent');
     const deviceDetector = new DeviceDetector();
     const deviceInfo = deviceDetector.parse(userAgent);
@@ -1396,6 +1396,13 @@ app.post("/getallchatsofcharacter", jsonParser, function (request, response) {
             for (let i = jsonFiles.length - 1; i >= 0; i--) {
                 const file = jsonFiles[i];
                 const fileStream = fs.createReadStream(chatsPath + char_dir + '/' + file);
+
+                const fullPathAndFile = chatsPath + char_dir + '/' + file
+                const stats = fs.statSync(fullPathAndFile);
+                const fileSizeInKB = (stats.size / 1024).toFixed(2) + "kb";
+
+                console.log(fileSizeInKB);
+
                 const rl = readline.createInterface({
                     input: fileStream,
                     crlfDelay: Infinity
@@ -1412,6 +1419,7 @@ app.post("/getallchatsofcharacter", jsonParser, function (request, response) {
                         if (jsonData.name !== undefined || jsonData.character_name !== undefined) {
                             chatData[i] = {};
                             chatData[i]['file_name'] = file;
+                            chatData[i]['file_size'] = fileSizeInKB;
                             chatData[i]['mes'] = jsonData['mes'] || '[The chat is empty]';
                         }
                     }
@@ -1654,7 +1662,7 @@ app.post("/importchat", urlencodedParser, function (request, response) {
                         }
                     });
                 } else {
-                    response.send({error:true});
+                    response.send({ error: true });
                     return;
                 }
                 rl.close();