diff --git a/src/ExportManager.h b/src/ExportManager.h
--- a/src/ExportManager.h
+++ b/src/ExportManager.h
@@ -26,6 +26,8 @@
 #include <QPixmap>
 #include <QUrl>
 
+#include "PlatformBackends/ImageGrabber.h"
+
 class QTemporaryDir;
 
 class ExportManager : public QObject
@@ -52,14 +54,20 @@
 
     Q_PROPERTY(QString saveLocation READ saveLocation WRITE setSaveLocation NOTIFY saveLocationChanged)
     Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap NOTIFY pixmapChanged)
+    Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)
+    Q_PROPERTY(ImageGrabber::GrabMode grabMode READ grabMode WRITE setGrabMode)
 
     void setSaveLocation(const QString &location);
     QString saveLocation() const;
     QUrl lastSavePath() const;
     bool isFileExists(const QUrl &url) const;
     void setPixmap(const QPixmap &pixmap);
     QPixmap pixmap() const;
     QString pixmapDataUri() const;
+    void setWindowTitle(const QString &windowTitle);
+    QString windowTitle() const;
+    ImageGrabber::GrabMode grabMode() const;
+    void setGrabMode(const ImageGrabber::GrabMode &grabMode);
 
     signals:
 
@@ -97,6 +105,8 @@
     QUrl mTempFile;
     QTemporaryDir *mTempDir;
     QList<QUrl> mUsedTempFileNames;
+    QString mWindowTitle;
+    ImageGrabber::GrabMode mGrabMode;
 };
 
 #endif // EXPORTMANAGER_H
diff --git a/src/ExportManager.cpp b/src/ExportManager.cpp
--- a/src/ExportManager.cpp
+++ b/src/ExportManager.cpp
@@ -87,6 +87,26 @@
     return uri;
 }
 
+void ExportManager::setWindowTitle(const QString &windowTitle)
+{
+    mWindowTitle = windowTitle;
+}
+
+QString ExportManager::windowTitle() const
+{
+    return mWindowTitle;
+}
+
+ImageGrabber::GrabMode ExportManager::grabMode() const
+{
+    return mGrabMode;
+}
+
+void ExportManager::setGrabMode(const ImageGrabber::GrabMode &grabMode)
+{
+    mGrabMode = grabMode;
+}
+
 void ExportManager::setPixmap(const QPixmap &pixmap)
 {
     mSavePixmap = pixmap;
@@ -159,15 +179,38 @@
     KConfigGroup generalConfig = KConfigGroup(config, "General");
 
     const QDateTime timestamp = QDateTime::currentDateTime();
-    QString baseName = generalConfig.readEntry("save-filename-format", "Screenshot_%Y%M%D_%H%m%S");
+    QString baseName = generalConfig.readEntry("save-filename-format", "%Y-%M-%D %H-%m-%S. %T");
+
+    QString title;
+
+    switch (mGrabMode) {
+    case ImageGrabber::GrabMode::ActiveWindow:
+    case ImageGrabber::GrabMode::TransientWithParent:
+    case ImageGrabber::GrabMode::WindowUnderCursor:
+        title = mWindowTitle;
+        break;
+    case ImageGrabber::GrabMode::CurrentScreen:
+        title = QStringLiteral("Desktop");
+        break;
+    case ImageGrabber::GrabMode::FullScreen:
+        title = QStringLiteral("Full screen");
+        break;
+    case ImageGrabber::GrabMode::RectangularRegion:
+        title = QStringLiteral("Region");
+        break;
+    default:
+        title = QStringLiteral("Screenshot");
+        break;
+    }
 
     return baseName.replace(QLatin1String("%Y"), timestamp.toString(QStringLiteral("yyyy")))
                    .replace(QLatin1String("%y"), timestamp.toString(QStringLiteral("yy")))
                    .replace(QLatin1String("%M"), timestamp.toString(QStringLiteral("MM")))
                    .replace(QLatin1String("%D"), timestamp.toString(QStringLiteral("dd")))
                    .replace(QLatin1String("%H"), timestamp.toString(QStringLiteral("hh")))
                    .replace(QLatin1String("%m"), timestamp.toString(QStringLiteral("mm")))
-                   .replace(QLatin1String("%S"), timestamp.toString(QStringLiteral("ss")));
+                   .replace(QLatin1String("%S"), timestamp.toString(QStringLiteral("ss")))
+                   .replace(QLatin1String("%T"), title);
 }
 
 QString ExportManager::autoIncrementFilename(const QString &baseName, const QString &extension,
diff --git a/src/Gui/SettingsDialog/SaveOptionsPage.cpp b/src/Gui/SettingsDialog/SaveOptionsPage.cpp
--- a/src/Gui/SettingsDialog/SaveOptionsPage.cpp
+++ b/src/Gui/SettingsDialog/SaveOptionsPage.cpp
@@ -104,6 +104,7 @@
             "<b>%H</b>: Hour<br />"
             "<b>%m</b>: Minute<br />"
             "<b>%S</b>: Second"
+            "<b>%W</b>: Window caption"
         "</blockquote>"
     );
 
diff --git a/src/PlatformBackends/ImageGrabber.h b/src/PlatformBackends/ImageGrabber.h
--- a/src/PlatformBackends/ImageGrabber.h
+++ b/src/PlatformBackends/ImageGrabber.h
@@ -67,6 +67,7 @@
     signals:
 
     void pixmapChanged(const QPixmap &pixmap);
+    void windowTitleChanged(const QString &windowTitle);
     void imageGrabFailed();
     void capturePointerChanged(bool capturePointer);
     void captureDecorationsChanged(bool captureDecorations);
@@ -91,6 +92,7 @@
     bool     mCaptureDecorations;
     GrabMode mGrabMode;
     QPixmap  mPixmap;
+    QString  mWindowTitle;
 };
 
 #endif // IMAGEGRABBER_H
diff --git a/src/PlatformBackends/X11ImageGrabber.cpp b/src/PlatformBackends/X11ImageGrabber.cpp
--- a/src/PlatformBackends/X11ImageGrabber.cpp
+++ b/src/PlatformBackends/X11ImageGrabber.cpp
@@ -44,6 +44,9 @@
 #include <xcb/xcb_util.h>
 #include <xcb/xfixes.h>
 
+#include <X11/Xatom.h>
+#include <X11/Xdefs.h>
+
 X11ImageGrabber::X11ImageGrabber(QObject *parent) :
     ImageGrabber(parent)
 {
@@ -422,6 +425,9 @@
 void X11ImageGrabber::grabTransientWithParent()
 {
     xcb_window_t curWin = getRealWindowUnderCursor();
+    QString windowTitle = KWindowSystem::readNameProperty(curWin, XA_WM_NAME);
+    emit windowTitleChanged(windowTitle);
+
 
     // grab the image early
 
@@ -514,6 +520,8 @@
 void X11ImageGrabber::grabActiveWindow()
 {
     xcb_window_t activeWindow = KWindowSystem::activeWindow();
+    QString windowTitle = KWindowSystem::readNameProperty(activeWindow, XA_WM_NAME);
+    emit windowTitleChanged(windowTitle);
 
     // if KWin is available, use the KWin DBus interfaces
 
@@ -542,6 +550,9 @@
 
 void X11ImageGrabber::grabWindowUnderCursor()
 {
+    QString windowTitle = KWindowSystem::readNameProperty(getRealWindowUnderCursor(), XA_WM_NAME);
+    emit windowTitleChanged(windowTitle);
+
     // if KWin is available, use the KWin DBus interfaces
 
     if (mCaptureDecorations && isKWinAvailable()) {
diff --git a/src/SpectacleConfig.cpp b/src/SpectacleConfig.cpp
--- a/src/SpectacleConfig.cpp
+++ b/src/SpectacleConfig.cpp
@@ -213,7 +213,7 @@
 QString SpectacleConfig::autoSaveFilenameFormat() const
 {
     return mGeneralConfig.readEntry(QStringLiteral("save-filename-format"),
-                          QStringLiteral("Screenshot_%Y%M%D_%H%m%S"));
+                          QStringLiteral("%Y-%M-%D %H-%m-%S. %T"));
 }
 
 void SpectacleConfig::setAutoSaveFilenameFormat(const QString &format)
diff --git a/src/SpectacleCore.h b/src/SpectacleCore.h
--- a/src/SpectacleCore.h
+++ b/src/SpectacleCore.h
@@ -63,6 +63,7 @@
     void takeNewScreenshot(const ImageGrabber::GrabMode &mode, const int &timeout, const bool &includePointer, const bool &includeDecorations);
     void showErrorMessage(const QString &errString);
     void screenshotUpdated(const QPixmap &pixmap);
+    void windowTitleChanged(const QString &windowTitle);
     void screenshotFailed();
     void dbusStartAgent();
     void doStartDragAndDrop();
diff --git a/src/SpectacleCore.cpp b/src/SpectacleCore.cpp
--- a/src/SpectacleCore.cpp
+++ b/src/SpectacleCore.cpp
@@ -75,7 +75,7 @@
         mImageGrabber = new DummyImageGrabber;
     }
 
-    mImageGrabber->setGrabMode(grabMode);
+    setGrabMode(grabMode);
     mImageGrabber->setCapturePointer(guiConfig.readEntry("includePointer", true));
     mImageGrabber->setCaptureDecorations(guiConfig.readEntry("includeDecorations", true));
 
@@ -86,6 +86,7 @@
     connect(mExportManager, &ExportManager::errorMessage, this, &SpectacleCore::showErrorMessage);
     connect(this, &SpectacleCore::errorMessage, this, &SpectacleCore::showErrorMessage);
     connect(mImageGrabber, &ImageGrabber::pixmapChanged, this, &SpectacleCore::screenshotUpdated);
+    connect(mImageGrabber, &ImageGrabber::windowTitleChanged, this, &SpectacleCore::windowTitleChanged);
     connect(mImageGrabber, &ImageGrabber::imageGrabFailed, this, &SpectacleCore::screenshotFailed);
     connect(mExportManager, &ExportManager::imageSaved, this, &SpectacleCore::doCopyPath);
     connect(mExportManager, &ExportManager::forceNotify, this, &SpectacleCore::doNotify);
@@ -132,6 +133,7 @@
 void SpectacleCore::setGrabMode(const ImageGrabber::GrabMode &grabMode)
 {
     mImageGrabber->setGrabMode(grabMode);
+    mExportManager->setGrabMode(grabMode);
 }
 
 // Slots
@@ -148,7 +150,7 @@
 void SpectacleCore::takeNewScreenshot(const ImageGrabber::GrabMode &mode,
                                const int &timeout, const bool &includePointer, const bool &includeDecorations)
 {
-    mImageGrabber->setGrabMode(mode);
+    setGrabMode(mode);
     mImageGrabber->setCapturePointer(includePointer);
     mImageGrabber->setCaptureDecorations(includeDecorations);
 
@@ -176,6 +178,11 @@
     }
 }
 
+void SpectacleCore::windowTitleChanged(const QString &windowTitle)
+{
+    mExportManager->setWindowTitle(windowTitle);
+}
+
 void SpectacleCore::screenshotUpdated(const QPixmap &pixmap)
 {
     mExportManager->setPixmap(pixmap);