diff --git a/widget/camera.cpp b/widget/camera.cpp
index 1a9b782cc..0c35e333b 100644
--- a/widget/camera.cpp
+++ b/widget/camera.cpp
@@ -142,8 +142,8 @@ bool Camera::isFormatSupported(const QVideoSurfaceFormat& format) const
     }
     else
     {
-        QMessageBox::warning(0, "Camera eror",
-                QString("Camera format %1 not supported, can't use the camera")
+        QMessageBox::warning(0, tr("Camera eror"),
+                tr("Camera format %1 not supported, can't use the camera")
                 .arg(format.pixelFormat()));
         return false;
     }
diff --git a/widget/filetransfertwidget.cpp b/widget/filetransfertwidget.cpp
index 0eec0a23c..9d1543423 100644
--- a/widget/filetransfertwidget.cpp
+++ b/widget/filetransfertwidget.cpp
@@ -228,7 +228,7 @@ void FileTransfertWidget::rejectRecvRequest()
 
 void FileTransfertWidget::acceptRecvRequest()
 {
-    QString path = QFileDialog::getSaveFileName(0,"Save a file",QDir::currentPath()+'/'+filename->text());
+    QString path = QFileDialog::getSaveFileName(0,tr("Save a file","Title of the file saving dialog"),QDir::currentPath()+'/'+filename->text());
     if (path.isEmpty())
         return;
 
diff --git a/widget/form/addfriendform.cpp b/widget/form/addfriendform.cpp
index ae38d2f92..2ff1e3985 100644
--- a/widget/form/addfriendform.cpp
+++ b/widget/form/addfriendform.cpp
@@ -12,12 +12,12 @@ AddFriendForm::AddFriendForm() : dns(this)
     main = new QWidget(), head = new QWidget();
     QFont bold;
     bold.setBold(true);
-    headLabel.setText("Add Friends");
+    headLabel.setText(tr("Add Friends"));
     headLabel.setFont(bold);
 
-    toxIdLabel.setText("Tox ID");
-    messageLabel.setText("Message");
-    sendButton.setText("Send friend request");
+    toxIdLabel.setText(tr("Tox ID","Tox ID of the person you're sending a friend request to"));
+    messageLabel.setText(tr("Message","The message you send in friend requests"));
+    sendButton.setText(tr("Send friend request"));
 
     main->setLayout(&layout);
     layout.addWidget(&toxIdLabel);
@@ -64,7 +64,7 @@ void AddFriendForm::showWarning(const QString &message) const
 QString AddFriendForm::getMessage() const
 {
     const QString msg = message.toPlainText();
-    return !msg.isEmpty() ? msg : "Tox me maybe?";
+    return !msg.isEmpty() ? msg : tr("Tox me maybe?","Default message in friend requests if the field is left blank. Write something appropriate!");
 }
 
 void AddFriendForm::onSendTriggered()
@@ -72,7 +72,7 @@ void AddFriendForm::onSendTriggered()
     QString id = toxId.text().trimmed();
 
     if (id.isEmpty()) {
-        showWarning("Please fill in a valid Tox ID");
+        showWarning(tr("Please fill in a valid Tox ID","Tox ID of the friend you're sending a friend request to"));
     } else if (isToxId(id)) {
         emit friendRequested(id, getMessage());
     } else {
@@ -87,38 +87,38 @@ void AddFriendForm::handleDnsLookup()
     const QString idKeyWord("id=");
 
     if (dns.error() != QDnsLookup::NoError) {
-        showWarning("Error while looking up DNS");
+        showWarning(tr("Error while looking up DNS","The DNS gives the Tox ID associated to toxme.se addresses"));
         return;
     }
 
     const QList<QDnsTextRecord> textRecords = dns.textRecords();
     if (textRecords.length() != 1) {
-        showWarning("Unexpected number of text records");
+        showWarning(tr("Unexpected number of text records", "Error with the DNS"));
         return;
     }
 
     const QList<QByteArray> textRecordValues = textRecords.first().values();
     if (textRecordValues.length() != 1) {
-        showWarning("Unexpected number of values in text record");
+        showWarning(tr("Unexpected number of values in text record", "Error with the DNS"));
         return;
     }
 
     const QString entry(textRecordValues.first());
     int idx = entry.indexOf(idKeyWord);
     if (idx < 0) {
-        showWarning("The DNS lookup does not contain any Tox ID");
+        showWarning(tr("The DNS lookup does not contain any Tox ID", "Error with the DNS"));
         return;
     }
 
     idx += idKeyWord.length();
     if (entry.length() < idx + static_cast<int>(TOX_ID_SIZE)) {
-        showWarning("The DNS lookup does not contain a valid Tox ID");
+        showWarning(tr("The DNS lookup does not contain a valid Tox ID", "Error with the DNS"));
         return;
     }
 
     const QString friendAdress = entry.mid(idx, TOX_ID_SIZE);
     if (!isToxId(friendAdress)) {
-        showWarning("The DNS lookup does not contain a valid Tox ID");
+        showWarning(tr("The DNS lookup does not contain a valid Tox ID", "Error with the DNS"));
         return;
     }
 
diff --git a/widget/form/chatform.cpp b/widget/form/chatform.cpp
index 4090119aa..6e1737444 100644
--- a/widget/form/chatform.cpp
+++ b/widget/form/chatform.cpp
@@ -258,7 +258,7 @@ void ChatForm::addMessage(QLabel* author, QLabel* message, QLabel* date)
 
 void ChatForm::onAttachClicked()
 {
-    QString path = QFileDialog::getOpenFileName(0,"Send a file");
+    QString path = QFileDialog::getOpenFileName(0,tr("Send a file"));
     if (path.isEmpty())
         return;
 
@@ -583,13 +583,13 @@ void ChatForm::onChatContextMenuRequested(QPoint pos)
     QWidget* sender = (QWidget*)QObject::sender();
     pos = sender->mapToGlobal(pos);
     QMenu menu;
-    menu.addAction("Save chat log", this, SLOT(onSaveLogClicked()));
+    menu.addAction(tr("Save chat log"), this, SLOT(onSaveLogClicked()));
     menu.exec(pos);
 }
 
 void ChatForm::onSaveLogClicked()
 {
-    QString path = QFileDialog::getSaveFileName(0,"Save chat log");
+    QString path = QFileDialog::getSaveFileName(0,tr("Save chat log"));
     if (path.isEmpty())
         return;
 
diff --git a/widget/form/groupchatform.cpp b/widget/form/groupchatform.cpp
index 7116ae7f1..95bf4df2c 100644
--- a/widget/form/groupchatform.cpp
+++ b/widget/form/groupchatform.cpp
@@ -29,7 +29,7 @@ GroupChatForm::GroupChatForm(Group* chatGroup)
     name->setText(group->widget->name.text());
     name->setFont(bold);
     nusers->setFont(small);
-    nusers->setText(QString("%1 users in chat").arg(group->peers.size()));
+    nusers->setText(tr("%1 users in chat").arg(group->peers.size()));
     avatar->setPixmap(QPixmap(":/img/group.png"));
     QString names;
     for (QString& s : group->peers)
@@ -152,7 +152,7 @@ void GroupChatForm::addGroupMessage(QString message, int peerId)
     if (group->peers.contains(peerId))
         msgAuthor = new QLabel(group->peers[peerId]);
     else
-        msgAuthor = new QLabel("<Unknown>");
+        msgAuthor = new QLabel(tr("<Unknown>"));
 
     QLabel *msgText = new QLabel(message);
     QLabel *msgDate = new QLabel(QTime::currentTime().toString("hh:mm"));
@@ -217,7 +217,7 @@ void GroupChatForm::onSliderRangeChanged()
 
 void GroupChatForm::onUserListChanged()
 {
-    nusers->setText(QString("%1 users in chat").arg(group->nPeers));
+    nusers->setText(tr("%1 users in chat").arg(group->nPeers));
     QString names;
     for (QString& s : group->peers)
         names.append(s+", ");
@@ -236,7 +236,7 @@ void GroupChatForm::onChatContextMenuRequested(QPoint pos)
 
 void GroupChatForm::onSaveLogClicked()
 {
-    QString path = QFileDialog::getSaveFileName(0,"Save chat log");
+    QString path = QFileDialog::getSaveFileName(0,tr("Save chat log"));
     if (path.isEmpty())
         return;
 
diff --git a/widget/form/settingsform.cpp b/widget/form/settingsform.cpp
index 4e000848a..38c9846ef 100644
--- a/widget/form/settingsform.cpp
+++ b/widget/form/settingsform.cpp
@@ -10,17 +10,17 @@ SettingsForm::SettingsForm()
     QFont bold, small;
     bold.setBold(true);
     small.setPixelSize(7);
-    headLabel.setText("User Settings");
+    headLabel.setText(tr("User Settings","\"Headline\" of the window"));
     headLabel.setFont(bold);
 
-    nameLabel.setText("Name");
-    statusTextLabel.setText("Status");
+    nameLabel.setText(tr("Name","Username/nick"));
+    statusTextLabel.setText(tr("Status","Status message"));
     idLabel.setText("Tox ID");
     id.setFont(small);
     id.setTextInteractionFlags(Qt::TextSelectableByMouse);
 
-    videoTest.setText("Test video");
-    enableIPv6.setText("Enable IPv6 (recommended)");
+    videoTest.setText(tr("Test video","Text on a button to test the video/webcam"));
+    enableIPv6.setText(tr("Enable IPv6 (recommended)","Text on a checkbox to enable IPv6"));
     enableIPv6.setChecked(Settings::getInstance().getEnableIPv6());
 
     main->setLayout(&layout);
diff --git a/widget/friendwidget.cpp b/widget/friendwidget.cpp
index cc1118536..364980ce2 100644
--- a/widget/friendwidget.cpp
+++ b/widget/friendwidget.cpp
@@ -62,8 +62,8 @@ void FriendWidget::contextMenuEvent(QContextMenuEvent * event)
 {
     QPoint pos = event->globalPos();
     QMenu menu;
-    menu.addAction("Copy friend ID");
-    QMenu* inviteMenu = menu.addMenu("Invite in group");
+    menu.addAction(tr("Copy friend ID","Menu to copy the Tox ID of that friend"));
+    QMenu* inviteMenu = menu.addMenu(tr("Invite in group","Menu to invite a friend in a groupchat"));
     QMap<QAction*, Group*> groupActions;
     for (Group* group : GroupList::groupList)
     {
@@ -73,7 +73,7 @@ void FriendWidget::contextMenuEvent(QContextMenuEvent * event)
     if (groupActions.isEmpty())
         inviteMenu->setEnabled(false);
     menu.addSeparator();
-    menu.addAction("Remove friend");
+    menu.addAction(tr("Remove friend", "Menu to remove the friend from our friendlist"));
 
     QAction* selectedItem = menu.exec(pos);
     if (selectedItem)
diff --git a/widget/groupwidget.cpp b/widget/groupwidget.cpp
index 9932f0162..0e70ee3ed 100644
--- a/widget/groupwidget.cpp
+++ b/widget/groupwidget.cpp
@@ -35,9 +35,9 @@ GroupWidget::GroupWidget(int GroupId, QString Name)
     this->setPalette(pal3);
     Group* g = GroupList::findGroup(groupId);
     if (g)
-        nusers.setText(QString("%1 users in chat").arg(g->peers.size()));
+        nusers.setText(QString(tr("%1 users in chat")).arg(g->peers.size()));
     else
-        nusers.setText("0 users in chat");
+        nusers.setText(tr("0 users in chat"));
 
     textLayout.addStretch();
     textLayout.addWidget(&name);
@@ -65,7 +65,7 @@ void GroupWidget::contextMenuEvent(QContextMenuEvent * event)
 {
     QPoint pos = event->globalPos();
     QMenu menu;
-    menu.addAction("Quit group");
+    menu.addAction(tr("Quit group","Menu to quit a groupchat"));
 
     QAction* selectedItem = menu.exec(pos);
     if (selectedItem)
@@ -123,9 +123,9 @@ void GroupWidget::onUserListChanged()
 {
     Group* g = GroupList::findGroup(groupId);
     if (g)
-        nusers.setText(QString("%1 users in chat").arg(g->nPeers));
+        nusers.setText(tr("%1 users in chat").arg(g->nPeers));
     else
-        nusers.setText("0 users in chat");
+        nusers.setText(tr("0 users in chat"));
 }
 
 void GroupWidget::setAsActiveChatroom()
diff --git a/widget/selfcamview.cpp b/widget/selfcamview.cpp
index 52b4766c1..bef9e50b8 100644
--- a/widget/selfcamview.cpp
+++ b/widget/selfcamview.cpp
@@ -13,7 +13,7 @@ SelfCamView::SelfCamView(Camera* Cam, QWidget* parent)
       mainLayout{new QHBoxLayout()}, cam(Cam)
 {
     setLayout(mainLayout);
-    setWindowTitle("Tox video test");
+    setWindowTitle(tr("Tox video test","Title of the window to test the video/webcam"));
     setMinimumSize(320,240);
 
     updateDisplayTimer.setInterval(5);
diff --git a/widget/tool/friendrequestdialog.cpp b/widget/tool/friendrequestdialog.cpp
index 1c7e66139..cb7868e4b 100644
--- a/widget/tool/friendrequestdialog.cpp
+++ b/widget/tool/friendrequestdialog.cpp
@@ -27,22 +27,22 @@ FriendRequestDialog::FriendRequestDialog(QWidget *parent, const QString &userId,
     QDialog(parent)
 {
     setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
-    setWindowTitle("Friend request");
+    setWindowTitle(tr("Friend request","Title of the window to aceept/deny a friend request"));
 
-    QLabel *friendsLabel = new QLabel("Someone wants to make friends with you.", this);
-    QLabel *userIdLabel = new QLabel("User ID:", this);
+    QLabel *friendsLabel = new QLabel(tr("Someone wants to make friends with you"), this);
+    QLabel *userIdLabel = new QLabel(tr("User ID:"), this);
     QLineEdit *userIdEdit = new QLineEdit(userId, this);
     userIdEdit->setCursorPosition(0);
     userIdEdit->setReadOnly(true);
-    QLabel *messageLabel = new QLabel("Friend request message:", this);
+    QLabel *messageLabel = new QLabel(tr("Friend request message:"), this);
     QPlainTextEdit *messageEdit = new QPlainTextEdit(message, this);
     messageEdit->setReadOnly(true);
 
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(Qt::Horizontal, this);
 
-    buttonBox->addButton("Accept", QDialogButtonBox::AcceptRole);
-    buttonBox->addButton("Reject", QDialogButtonBox::RejectRole);
+    buttonBox->addButton(tr("Accept","Accept a friend request"), QDialogButtonBox::AcceptRole);
+    buttonBox->addButton(tr("Reject","Reject a friend request"), QDialogButtonBox::RejectRole);
 
     connect(buttonBox, &QDialogButtonBox::accepted, this, &FriendRequestDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, this, &FriendRequestDialog::reject);
diff --git a/widget/widget.cpp b/widget/widget.cpp
index 956638e75..fb8493ab5 100644
--- a/widget/widget.cpp
+++ b/widget/widget.cpp
@@ -1109,9 +1109,9 @@ void Widget::minimizeBtnClicked()
 void Widget::onStatusImgClicked()
 {
     QMenu menu;
-    menu.addAction("Online");
-    menu.addAction("Away");
-    menu.addAction("Busy");
+    menu.addAction(tr("Online","Button to set your status to 'Online'"));
+    menu.addAction(tr("Away","Button to set your status to 'Away'"));
+    menu.addAction(tr("Busy","Button to set your status to 'Busy'"));
 
     QPoint pos = QCursor::pos();
     QAction* selectedItem = menu.exec(pos);