diff --git a/batchprocessing.cpp b/batchprocessing.cpp
index 5d98cc9..a682aec 100644
--- a/batchprocessing.cpp
+++ b/batchprocessing.cpp
@@ -25,9 +25,9 @@ QStringList scanDirectories(const QStringList &paths)
     std::function<void(const QString &path)> scanDirectory = [&](const QString &path)
     {
         QFileInfo info(path);
-        if(info.isDir() && !scannedDirs.contains(info.canonicalPath()))
+        if(info.isDir() && !scannedDirs.contains(info.canonicalFilePath()))
         {
-            scannedDirs.append(info.canonicalPath());
+            scannedDirs.append(info.canonicalFilePath());
             QDir dir(path);
             QStringList entries = dir.entryList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
             for(QString &entry : entries)
diff --git a/loadrunable.cpp b/loadrunable.cpp
index 6ec53cf..a5a4428 100644
--- a/loadrunable.cpp
+++ b/loadrunable.cpp
@@ -601,6 +601,8 @@ void ConvertRunable::run()
     ImageInfoData imageinfo;
     std::shared_ptr<RawImage> rawimage;
     loadImage(m_infile, imageinfo, rawimage);
+    QFileInfo info(m_outfile);
+    info.dir().mkpath(".");
 
     if(rawimage)
     {
diff --git a/scriptengine.cpp b/scriptengine.cpp
index 53eb359..430d328 100644
--- a/scriptengine.cpp
+++ b/scriptengine.cpp
@@ -4,6 +4,7 @@
 #include <QDebug>
 #include "loadrunable.h"
 #include "rawimage.h"
+#include "loadrunable.h"
 
 namespace Script
 {
@@ -11,6 +12,7 @@ namespace Script
 ScriptEngine::ScriptEngine(QObject *parent) : QObject(parent)
   , _jsEngine(new QJSEngine(this))
   , _database(new Database(this))
+  , _pool(new QThreadPool(this))
 {
     QJSValue engine = _jsEngine->newQObject(this);
     _jsEngine->globalObject().setProperty("engine", engine);
@@ -64,6 +66,24 @@ bool ScriptEngine::isMarked(const File *file) const
     return _database->isMarked(file->absoluteFilePath());
 }
 
+bool ScriptEngine::convert(File *file, QString &outpath, QJSValue &params)
+{
+    QString format = params.toString();
+    QString path;
+    QDir dir(_outputDir);
+    QFileInfo info(outpath);
+    QString suffix = info.suffix();
+    if(info.isAbsolute())
+        path = info.absolutePath();
+    else
+        path = dir.absoluteFilePath(outpath);
+
+    info.setFile(path);
+    //qDebug() << info.absolutePath() + "/" + info.completeBaseName() + "." + format.toLower();
+    _pool->start(new ConvertRunable(file->absoluteFilePath(), info.absolutePath() + "/" + info.completeBaseName() + "." + format.toLower(), format));
+    return true;
+}
+
 QJSValue ScriptEngine::newObject()
 {
     return _jsEngine->newObject();
diff --git a/scriptengine.h b/scriptengine.h
index c366e9d..cee99e6 100644
--- a/scriptengine.h
+++ b/scriptengine.h
@@ -5,6 +5,7 @@
 #include <QJSEngine>
 #include <QFileInfo>
 #include <QThread>
+#include <QThreadPool>
 #include "database.h"
 
 namespace Script
@@ -17,6 +18,7 @@ class ScriptEngine : public QObject
     Q_OBJECT
     QJSEngine *_jsEngine;
     Database *_database;
+    QThreadPool *_pool;
     QString _scriptPath;
     QString _outputDir;
     QStringList _paths;
@@ -31,6 +33,7 @@ public:
     Q_INVOKABLE void mark(File *file);
     Q_INVOKABLE void unmark(File *file);
     Q_INVOKABLE bool isMarked(const File *file) const;
+    Q_INVOKABLE bool convert(File *file, QString &outpath, QJSValue &params);
     QJSValue newObject();
 public slots:
     void run();