diff --git a/preload.js b/preload.js
index 5ff247dd..6fa0b7eb 100644
--- a/preload.js
+++ b/preload.js
@@ -1,9 +1,7 @@
 const fs = require('fs');
-const os = require('os');
-const { spawn } = require("child_process")
 const { shell } = require('electron');
-const { dialog } = require('electron').remote
-const { BrowserWindow } = require('electron').remote
+const { dialog, BrowserWindow, nativeImage } = require('electron').remote
+const path = require("path")
 
 getDirname = () => __dirname;
 
@@ -18,6 +16,16 @@ openFolder = () => {
     });
 }
 
+readFile = file => 
+    new Promise((reslove, reject) => {
+        fs.readFile(file, 'utf8', (err, data) => {
+            if (err) reject(err);
+            reslove(data);
+        });
+    });
+
+getLogo = () => nativeImage.createFromPath(path.join(__dirname, 'logo.png'));
+
 messageBox = (options, callback) => {
     dialog.showMessageBox(BrowserWindow.getFocusedWindow(), options, index => {
         callback(index);
@@ -26,49 +34,4 @@ messageBox = (options, callback) => {
 
 exists = path => {
     return fs.existsSync(path);
-}
-
-sqlite2Json = (input, output) => {
-    var binPath;
-    if (os.platform() == 'win32') {
-        binPath = `${__dirname.replace(/(.*?\.asar)/, "$1.unpacked")}/bin/sqlite3.exe`;
-    } else {
-        binPath = `${__dirname.replace(/(.*?\.asar)/, "$1.unpacked")}/bin/sqlite3`
-    }
-    const sql = spawn(binPath, [input, "select * from searchIndex", '-header', '-separator', '|||'])
-    let chunks = [];
-    sql.stdout.on('data', chunk => {
-        chunks.push(chunk)
-    })
-    sql.on('close', code => {
-        let stdout = chunks.join("").split('\n'),
-            header = stdout[0].split('|||'),
-            json = [],
-            dict;
-        stdout.shift();
-        for (var d of stdout) {
-            if (d) {
-                d = d.split('|||');
-                dict = {}
-                for (var n = 1; n < d.length; n++) {
-                    dict[header[n].trim()] = d[n].trim()
-                }
-                json.push(dict);
-            }
-        }
-        fs.writeFile(output, JSON.stringify(json), 'utf8', err => {
-            err && console.log(err);
-        })
-    })
-}
-
-xml2Json = (input, output) => {
-    fs.readFile(input, 'utf8', (err, data) => {
-        data = data.replace(/\"/g, "&quot;");
-        data = data.replace(/<Token>.*?<Name>(.*?)<\/Name><Type>(.*?)<\/Type>.*?<Path>(.*?&gt;)*(.*?)<\/Path>\s+.*?<\/Token>/g, `{"name":"$1","type":"$2","path":"$4"},`);
-        data = data.replace(/<\?xml.*?>\s+<Tokens.*?>([\s|\S]*?),\s+<\/Tokens>/, '[$1]');
-        fs.writeFile(output, data, 'utf8', err => {
-            err && console.log(err);
-        })
-    })
 }
\ No newline at end of file