diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d19312..7986dee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,9 @@ set(SOURCES
     mainwindow.ui
     qldd.cpp
     qldd.h
+    finfdialog.cpp
+    finfdialog.h
+    finfdialog.ui
     )
 target_sources(Qldd PRIVATE ${SOURCES})
 target_link_libraries(Qldd PRIVATE Qt5::Widgets)
diff --git a/finfdialog.cpp b/finfdialog.cpp
new file mode 100644
index 0000000..5abfe97
--- /dev/null
+++ b/finfdialog.cpp
@@ -0,0 +1,22 @@
+#include "finfdialog.h"
+#include "ui_finfdialog.h"
+#include "mainwindow.h"
+
+FinfDialog::FinfDialog(QWidget *parent) : QDialog(parent), ui(new Ui::FinfDialog) {
+  ui->setupUi(this);
+  shortcutClose = new QShortcut(QKeySequence(Qt::Key_Escape), this);
+  connect(shortcutClose, SIGNAL(activated()), this, SLOT(close()));
+
+  shortcutFind = new QShortcut(QKeySequence(Qt::Key_Enter), this);
+  connect(shortcutFind, SIGNAL(activated()), this, SLOT(find()));
+}
+
+FinfDialog::~FinfDialog() { delete ui; }
+
+void FinfDialog::on_findButton_clicked() {
+  if (!ui->findLineEdit->text().isEmpty()) {
+    MainWindow *mw = dynamic_cast<MainWindow *>(parentWidget());
+    mw->fillExportTable(ui->findLineEdit->text());
+    close();
+  }
+}
diff --git a/finfdialog.h b/finfdialog.h
new file mode 100644
index 0000000..8e224f9
--- /dev/null
+++ b/finfdialog.h
@@ -0,0 +1,27 @@
+#ifndef FINFDIALOG_H
+#define FINFDIALOG_H
+
+#include <QDialog>
+#include <QShortcut>
+
+namespace Ui {
+class FinfDialog;
+}
+
+class FinfDialog : public QDialog {
+  Q_OBJECT
+
+ public:
+  explicit FinfDialog(QWidget *parent = nullptr);
+  ~FinfDialog();
+
+ private slots:
+  void on_findButton_clicked();
+
+ private:
+  Ui::FinfDialog *ui;
+  QShortcut *shortcutClose;
+  QShortcut *shortcutFind;
+};
+
+#endif  // FINFDIALOG_H
diff --git a/finfdialog.ui b/finfdialog.ui
new file mode 100644
index 0000000..c250048
--- /dev/null
+++ b/finfdialog.ui
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>FinfDialog</class>
+ <widget class="QDialog" name="FinfDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>93</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="autoFillBackground">
+   <bool>true</bool>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <widget class="QLineEdit" name="findLineEdit"/>
+   </item>
+   <item>
+    <widget class="QPushButton" name="findButton">
+     <property name="text">
+      <string>Find</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 544dcf3..6e7d16f 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4,6 +4,7 @@
 #include <QFileDialog>
 #include <QShortcut>
 #include <QMessageBox>
+#include "finfdialog.h"
 
 #ifdef __APPLE__
 #define FIXED_FONT "Menlo"
@@ -31,7 +32,10 @@ MainWindow::MainWindow(const QString &fileName, QWidget *parent)
   ui->treeWidget->setFont(fixedFont);
 
   shortcutClose = new QShortcut(QKeySequence(Qt::Key_Escape), this);
-  connect(shortcutClose, SIGNAL(activated()), this, SLOT(close()));
+  connect(shortcutClose, SIGNAL(activated()), this, SLOT(myClose()));
+
+  shortcutFind = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_F), this);
+  connect(shortcutFind, SIGNAL(activated()), this, SLOT(find()));
 
   createActions();
   createMenus();
@@ -39,6 +43,7 @@ MainWindow::MainWindow(const QString &fileName, QWidget *parent)
   if (!fileName.isEmpty()) {
     reset(fileName);
   }
+  ui->tabWidget->setCurrentIndex(0);
 }
 
 MainWindow::~MainWindow() {
@@ -47,12 +52,14 @@ MainWindow::~MainWindow() {
   delete helpMenu;
 }
 
+void MainWindow::fillExportTable(const QString &filter) { qldd->fillExportTable(*ui->listWidgetExportTable, filter); }
+
 void MainWindow::reset(const QString &fileName) {
   qldd.reset(new QLdd(fileName, qApp->applicationDirPath()));
   QTreeWidgetItem *header = ui->treeWidget->headerItem();
   header->setText(0, "Dependency");
   qldd->fillDependency(*ui->treeWidget);
-  qldd->fillExportTable(*ui->listWidgetExportTable, "");
+  fillExportTable("");
 
   ui->lineEditFileName->setText(qldd->getBinaryName());
   ui->lineEditFileSize->setText(qldd->getStringFileSize() + "( " + QString::number(qldd->getFileSize()) + " bytes )");
@@ -96,6 +103,19 @@ void MainWindow::about() {
                         "given executable or dynamic library on Linux. It is a GUI replacement for the ldd, file and nm command."));
 }
 
+void MainWindow::find() {
+  auto fd = new FinfDialog(this);
+  fd->show();
+}
+
+void MainWindow::myClose() {
+  if (ui->tabWidget->currentIndex() == 1) {
+    fillExportTable("");
+  } else {
+    close();
+  }
+}
+
 void MainWindow::createActions() {
   openAct = new QAction(QIcon("gtk-open"), tr("&Open..."), this);
   openAct->setShortcuts(QKeySequence::Open);
diff --git a/mainwindow.h b/mainwindow.h
index 21fd5c1..d3b11f7 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -16,9 +16,12 @@ class MainWindow : public QMainWindow {
  public:
   explicit MainWindow(const QString &fileName, QWidget *parent = nullptr);
   ~MainWindow() override;
+  void fillExportTable(const QString &filter);
  private slots:
   void open();
   void about();
+  void find();
+  void myClose();
 
   void on_checkBoxOwnerRead_clicked(bool checked);
 
@@ -45,6 +48,7 @@ class MainWindow : public QMainWindow {
   Ui::MainWindow *ui;
   QScopedPointer<QLdd> qldd;
   QShortcut *shortcutClose;
+  QShortcut *shortcutFind;
   QMenu *fileMenu;
   QMenu *helpMenu;
   QAction *openAct;