diff --git a/src/core/atcore.h b/src/core/atcore.h
--- a/src/core/atcore.h
+++ b/src/core/atcore.h
@@ -470,6 +470,13 @@
      */
     void sdCardPrintStatus();
 
+    /**
+     * @brief Write a file to the machines SdCard
+     * @param fileName: Local file to send to machine
+     * @return True if successful
+     */
+    bool writeFiletoSd(const QString &fileName);
+
 private slots:
     /**
      * @brief processQueue send commands from the queue.
diff --git a/src/core/atcore.cpp b/src/core/atcore.cpp
--- a/src/core/atcore.cpp
+++ b/src/core/atcore.cpp
@@ -780,3 +780,47 @@
     }
     pushCommand(GCode::toCommand(GCode::M27));
 }
+
+bool AtCore::writeFiletoSd(const QString &fileName)
+{
+    //Do a few sanity checks before attempting to write to SD.
+
+    //Can't write an empty fileName.
+    if (fileName.isEmpty()) {
+        return false;
+    }
+    //Can not write if plugin doesn't have Sd Support.
+    if (!d->firmwarePlugin->isSdSupported()) {
+        return false;
+    }
+
+    //If the card is not mounted try to read the file list and mount it.
+    if (!d->sdCardMounted) {
+        getSDFileList();
+        if (!d->sdCardMounted) {
+            return false;
+        }
+    }
+    // Be sure the printer is IDLE
+    if (d->printerState != AtCore::IDLE) {
+        return false;
+    }
+
+    QString fname = fileName.mid(fileName.lastIndexOf(QStringLiteral("/")) + 1, fileName.length());
+    QFile *file = new QFile(fileName);
+    file->open(QFile::ReadOnly);
+    QTextStream *txtStream = new QTextStream(file);
+
+    setState(AtCore::BUSY);
+    pushCommand(GCode::toCommand(GCode::M28, fname));
+
+    while (!txtStream->atEnd()) {
+        pushCommand(txtStream->readLine());
+    }
+
+    file->close();
+    pushCommand(GCode::toCommand(GCode::M29, fname));
+    setState(AtCore::IDLE);
+    getSDFileList();
+    return true;
+}
diff --git a/src/plugins/marlinplugin.h b/src/plugins/marlinplugin.h
--- a/src/plugins/marlinplugin.h
+++ b/src/plugins/marlinplugin.h
@@ -55,9 +55,26 @@
      */
     QString name() const override;
 
+    /**
+     * @brief Translate common commands to firmware specific command.
+     * @param command: command to translate
+     * @return firmware specific translated command
+     */
+    QByteArray translate(const QString &command) override;
+
     /**
      * @brief validateCommand to filter commands from messages
      * @param lastMessage: last Message from printer
      */
     void validateCommand(const QString &lastMessage) override;
+
+private:
+    /**
+     * @brief Convert a filename to 8.3 Because Marlin will only accept those, Generates a 8.3 like Filename.
+     * This is Close to but not a 8.3 filename for instance we do not check the Filesystem so ~# will not be added if files with similar names are on the sd card
+     * Marlin will overwrite files with the samename.
+     * @param fileName: to convert to 8.3 format.
+     * @return  Return a 8.3 Format name
+     */
+    QString to83(const QString &fileName);
 };
diff --git a/src/plugins/marlinplugin.cpp b/src/plugins/marlinplugin.cpp
--- a/src/plugins/marlinplugin.cpp
+++ b/src/plugins/marlinplugin.cpp
@@ -45,6 +45,23 @@
     qCDebug(MARLIN_PLUGIN) << name() << " plugin loaded!";
 }
 
+QByteArray MarlinPlugin::translate(const QString &command)
+{
+    QString temp = command;
+    if (command.contains(QStringLiteral("M28"))) {
+        QString filename = temp.mid(4, temp.length());
+        filename = to83(filename);
+        temp = QStringLiteral("M28 %1").arg(filename);
+
+    } else if (command.contains(QStringLiteral("M29"))) {
+        QString filename = temp.mid(4, temp.length());
+        filename = to83(filename);
+        temp = QStringLiteral("M29 %1").arg(filename);
+    }
+
+    return temp.toLocal8Bit();
+}
+
 void MarlinPlugin::validateCommand(const QString &lastMessage)
 {
     if (lastMessage.contains(QStringLiteral("End file list"))) {
@@ -96,3 +113,19 @@
         }
     }
 }
+
+QString MarlinPlugin::to83(const QString &fileName)
+{
+    //Generate an 8.3 Like FileName.
+    QString newName;
+    if (fileName.lastIndexOf(QStringLiteral(".") < 9)) {
+        newName = fileName.mid(0, fileName.lastIndexOf(QStringLiteral(".")));
+    } else {
+        newName = fileName.mid(0, 8);
+    }
+    if (newName.length() > 8) {
+        newName.resize(8);
+    }
+    newName = newName.append(fileName.mid(fileName.lastIndexOf(QStringLiteral(".")), 4));
+    return newName.toUpper();
+}
diff --git a/src/widgets/sdwidget.h b/src/widgets/sdwidget.h
--- a/src/widgets/sdwidget.h
+++ b/src/widgets/sdwidget.h
@@ -52,6 +52,11 @@
      */
     void printSdFile(const QString &fileName);
 
+    /**
+     * @brief User has selected to write a file for the sd card.
+     */
+    void writeSdFile();
+
     /**
      * @brief User has selected to delete a file for the sd card.
      * @param fileName: file to delete
diff --git a/src/widgets/sdwidget.cpp b/src/widgets/sdwidget.cpp
--- a/src/widgets/sdwidget.cpp
+++ b/src/widgets/sdwidget.cpp
@@ -15,6 +15,7 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#include <QFileDialog>
 #include <QGroupBox>
 #include <QHBoxLayout>
 #include <QPushButton>
@@ -42,6 +43,12 @@
         }
     });
 
+    newButton = new QPushButton(tr("Send File"));
+    hBoxLayout->addWidget(newButton);
+    connect(newButton, &QPushButton::clicked, this, [this] {
+        emit writeSdFile();
+    });
+
     newButton = new QPushButton(tr("Delete Selected"));
     hBoxLayout->addWidget(newButton);
     connect(newButton, &QPushButton::clicked, this, [this] {
diff --git a/testclient/mainwindow.h b/testclient/mainwindow.h
--- a/testclient/mainwindow.h
+++ b/testclient/mainwindow.h
@@ -136,6 +136,11 @@
      */
     void initWidgets();
 
+    /**
+     * @brief Handle WriteToSd
+     */
+    void writeToSd();
+
 //Private GUI Items
     //menuView is global to allow for docks to be added / removed.
     QMenu *menuView = nullptr;
diff --git a/testclient/mainwindow.cpp b/testclient/mainwindow.cpp
--- a/testclient/mainwindow.cpp
+++ b/testclient/mainwindow.cpp
@@ -53,6 +53,7 @@
     connect(core, &AtCore::stateChanged, this, &MainWindow::printerStateChanged);
     connect(core, &AtCore::portsChanged, this, &MainWindow::locateSerialPort);
     connect(core, &AtCore::sdCardFileListChanged, sdWidget, &SdWidget::updateFilelist);
+    connect(sdWidget, &SdWidget::writeSdFile, this, &MainWindow::writeToSd);
 }
 
 void MainWindow::initMenu()
@@ -568,3 +569,22 @@
         printWidget->updateFanCount(fanCount);
     }
 }
+void MainWindow::writeToSd()
+{
+    static QString filter = tr("GCode Files(*.gco *.gcode)");
+    QString fileName = QFileDialog::getOpenFileName(
+                           this
+                           , tr("Write file to SD")
+                           , QDir::homePath()
+                           , tr("All Files(*.*);;GCode Files(*.gco *.gcode)")
+                           , &filter
+                       );
+
+    if (!fileName.isEmpty()) {
+        if (core->writeFiletoSd(fileName)) {
+            QMessageBox::information(this, tr("Write to Sd"), tr("Writing Finished"));
+        } else {
+            QMessageBox::warning(this, tr("Write to Sd"), tr("Writing FAILED"));
+        }
+    }
+}