diff --git a/adjustpicturedialog.cpp b/adjustpicturedialog.cpp
index c9f8e54..098465c 100644
--- a/adjustpicturedialog.cpp
+++ b/adjustpicturedialog.cpp
@@ -37,9 +37,9 @@ void AdjustPictureDialog::accept() {
 
     if (result == "") {
         QMessageBox infoDialog;
-        infoDialog.setText("QR code was not detected on that image. Please edit it again or enter data manually");
+        infoDialog.setText(tr("QR code was not detected on that image. Please edit it again or enter data manually"));
         infoDialog.setIcon(QMessageBox::Warning);
-        infoDialog.setWindowTitle("No QR code");
+        infoDialog.setWindowTitle(tr("No QR code"));
         infoDialog.exec();
     } else {
         emit decodedData(result);
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 5abcf4a..6cb37f5 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -91,16 +91,16 @@ void MainWindow::on_parseButton_clicked() {
                 if (!strcmp(e.what(), "Incorrect captcha")) {
                     is_captcha_solved = false;
                     QMessageBox infoDialog;
-                    infoDialog.setText("Captcha was not solved correctly!");
+                    infoDialog.setText(tr("Captcha was not solved correctly!"));
                     infoDialog.setIcon(QMessageBox::Critical);
-                    infoDialog.setWindowTitle("Captcha is incorrect");
+                    infoDialog.setWindowTitle(tr("Captcha is incorrect"));
                     infoDialog.exec();
                     break;
                 } else if (!strcmp(e.what(), "Does not exist")) {
                     QMessageBox infoDialog;
-                    infoDialog.setText("Check not found. Please, ensure correctness of entered data.");
+                    infoDialog.setText(tr("Check not found. Please, ensure correctness of entered data."));
                     infoDialog.setIcon(QMessageBox::Critical);
-                    infoDialog.setWindowTitle("Check was not found");
+                    infoDialog.setWindowTitle(tr("Check was not found"));
                     infoDialog.exec();
                     return;
                 }
diff --git a/solvecaptchadialog.cpp b/solvecaptchadialog.cpp
index d7b82db..54eb292 100644
--- a/solvecaptchadialog.cpp
+++ b/solvecaptchadialog.cpp
@@ -19,9 +19,9 @@ void SolveCaptchaDialog::accept() {
     std::string userInput = ui->captcha_edit->text().toStdString();
     if (userInput.length() < 6) {
         QMessageBox infoDialog;
-        infoDialog.setText("Please, enter a valid captcha");
+        infoDialog.setText(tr("Please, enter a valid captcha"));
         infoDialog.setIcon(QMessageBox::Warning);
-        infoDialog.setWindowTitle("No captcha");
+        infoDialog.setWindowTitle(tr("No captcha"));
         infoDialog.exec();
     } else {
         solved_captcha->erase();
diff --git a/translations/en_US.ts b/translations/en_US.ts
index 69fc1a8..6dd312a 100644
--- a/translations/en_US.ts
+++ b/translations/en_US.ts
@@ -13,13 +13,23 @@
         <source>Please, zoom to qr code and adjust contrast so that qr code looks sharp</source>
         <translation>Please, zoom to qr code and adjust contrast so that qr code looks sharp</translation>
     </message>
+    <message>
+        <location filename="../adjustpicturedialog.cpp" line="40"/>
+        <source>QR code was not detected on that image. Please edit it again or enter data manually</source>
+        <translation>QR code was not detected on that image. Please edit it again or enter data manually</translation>
+    </message>
+    <message>
+        <location filename="../adjustpicturedialog.cpp" line="42"/>
+        <source>No QR code</source>
+        <translation>No QR code</translation>
+    </message>
 </context>
 <context>
     <name>MainWindow</name>
     <message>
         <location filename="../mainwindow.ui" line="14"/>
         <source>MainWindow</source>
-        <translation type="unfinished">Главное окно</translation>
+        <translation>Главное окно</translation>
     </message>
     <message>
         <location filename="../mainwindow.ui" line="37"/>
@@ -138,6 +148,26 @@
         <source>checks parser</source>
         <translation>checks parser</translation>
     </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="94"/>
+        <source>Captcha was not solved correctly!</source>
+        <translation>Captcha was not solved correctly!</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="96"/>
+        <source>Captcha is incorrect</source>
+        <translation>Captcha is incorrect</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="101"/>
+        <source>Check not found. Please, ensure correctness of entered data.</source>
+        <translation>Check not found. Please, ensure correctness of entered data.</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="103"/>
+        <source>Check was not found</source>
+        <translation></translation>
+    </message>
 </context>
 <context>
     <name>OutputDialog</name>
@@ -259,6 +289,16 @@
         <source>Dialog</source>
         <translation>Dialog</translation>
     </message>
+    <message>
+        <location filename="../solvecaptchadialog.cpp" line="22"/>
+        <source>Please, enter a valid captcha</source>
+        <translation>Please, enter a valid captcha</translation>
+    </message>
+    <message>
+        <location filename="../solvecaptchadialog.cpp" line="24"/>
+        <source>No captcha</source>
+        <translation>No captcha</translation>
+    </message>
 </context>
 <context>
     <name>settingsdialog</name>
diff --git a/translations/ru_RU.ts b/translations/ru_RU.ts
index e25ecd0..e10c2aa 100644
--- a/translations/ru_RU.ts
+++ b/translations/ru_RU.ts
@@ -13,6 +13,16 @@
         <source>Please, zoom to qr code and adjust contrast so that qr code looks sharp</source>
         <translation>Пожалуйста, приблизьте QR код и настройте контраст, чтобы он читался</translation>
     </message>
+    <message>
+        <location filename="../adjustpicturedialog.cpp" line="40"/>
+        <source>QR code was not detected on that image. Please edit it again or enter data manually</source>
+        <translation>QR код не найден на этом изображении. Пожалуйста, попытайтесь снова или введите данные вручную</translation>
+    </message>
+    <message>
+        <location filename="../adjustpicturedialog.cpp" line="42"/>
+        <source>No QR code</source>
+        <translation>QR код не найден</translation>
+    </message>
 </context>
 <context>
     <name>MainWindow</name>
@@ -134,6 +144,26 @@
         <source>checks parser</source>
         <translation>Парсер чеков</translation>
     </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="94"/>
+        <source>Captcha was not solved correctly!</source>
+        <translation>Капча была решена неверно!</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="96"/>
+        <source>Captcha is incorrect</source>
+        <translation>Капча введена неверно</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="101"/>
+        <source>Check not found. Please, ensure correctness of entered data.</source>
+        <translation>Чек не найден. Пожалуйста, убедитесь в правильности введённых данных.</translation>
+    </message>
+    <message>
+        <location filename="../mainwindow.cpp" line="103"/>
+        <source>Check was not found</source>
+        <translation>Чек не найден</translation>
+    </message>
 </context>
 <context>
     <name>OutputDialog</name>
@@ -255,6 +285,16 @@
         <source>Dialog</source>
         <translation>Диалог</translation>
     </message>
+    <message>
+        <location filename="../solvecaptchadialog.cpp" line="22"/>
+        <source>Please, enter a valid captcha</source>
+        <translation>Пожалуйста, введите верную капчу</translation>
+    </message>
+    <message>
+        <location filename="../solvecaptchadialog.cpp" line="24"/>
+        <source>No captcha</source>
+        <translation>Нет капчи</translation>
+    </message>
 </context>
 <context>
     <name>settingsdialog</name>