diff --git a/extensions/devtoolssystrantranslate.cpp b/extensions/devtoolssystrantranslate.cpp
new file mode 100644
index 0000000..5afb98b
--- /dev/null
+++ b/extensions/devtoolssystrantranslate.cpp
@@ -0,0 +1,160 @@
+#include "qtcommon.h"
+#include "devtools.h"
+#include <QFileDialog>
+#include <QMouseEvent>
+#include <ShlObj.h>
+
+extern const wchar_t* TRANSLATION_ERROR;
+extern const char* CHROME_LOCATION;
+extern const char* START_DEVTOOLS;
+extern const char* STOP_DEVTOOLS;
+extern const char* HEADLESS_MODE;
+extern const char* DEVTOOLS_STATUS;
+extern const char* AUTO_START;
+extern const wchar_t* ERROR_START_CHROME;
+
+extern Synchronized<std::wstring> translateTo, translateFrom;
+extern QFormLayout* display;
+extern Settings settings;
+
+const char* TRANSLATION_PROVIDER = "DevTools Systran Translate";
+const char* GET_API_KEY_FROM = nullptr;
+bool translateSelectedOnly = true, rateLimitAll = false, rateLimitSelected = false, useCache = true, useFilter = true;
+bool firstTranslation = true;
+int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 2500;
+
+QStringList languages
+{
+	"Chinese: zh",
+	"Chinese (traditional): zt",
+	"English: en",
+	"French: fr",
+	"German: de",
+	"Italian: it",
+	"Japanese: ja",
+	"Korean: ko",
+	"Portuguese: pt",
+	"Spanish: es",
+	"Thai: th",
+};
+std::wstring autoDetectLanguage = L"auto";
+
+BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+{
+	switch (ul_reason_for_call)
+	{
+	case DLL_PROCESS_ATTACH:
+	{
+		QString chromePath = settings.value(CHROME_LOCATION).toString();
+		wchar_t programFiles[MAX_PATH + 100] = {};
+		if (chromePath.isEmpty()) for (auto folder : { CSIDL_PROGRAM_FILESX86, CSIDL_PROGRAM_FILES, CSIDL_LOCAL_APPDATA })
+		{
+			SHGetFolderPathW(NULL, folder, NULL, SHGFP_TYPE_CURRENT, programFiles);
+			wcscat_s(programFiles, L"/Google/Chrome/Application/chrome.exe");
+			if (std::filesystem::exists(programFiles)) chromePath = S(programFiles);
+		}
+		auto chromePathEdit = new QLineEdit(chromePath);
+		static struct : QObject
+		{
+			bool eventFilter(QObject* object, QEvent* event)
+			{
+				if (auto mouseEvent = dynamic_cast<QMouseEvent*>(event))
+					if (mouseEvent->button() == Qt::LeftButton)
+						if (QString chromePath = QFileDialog::getOpenFileName(nullptr, TRANSLATION_PROVIDER, "/", "Chrome (*.exe)"); !chromePath.isEmpty())
+							((QLineEdit*)object)->setText(chromePath);
+				return false;
+			}
+		} chromeSelector;
+		chromePathEdit->installEventFilter(&chromeSelector);
+		QObject::connect(chromePathEdit, &QLineEdit::textChanged, [chromePathEdit](QString path) { settings.setValue(CHROME_LOCATION, path); });
+		display->addRow(CHROME_LOCATION, chromePathEdit);
+		auto statusLabel = new QLabel("Stopped");
+		auto startButton = new QPushButton(START_DEVTOOLS), stopButton = new QPushButton(STOP_DEVTOOLS);
+		auto headlessCheck = new QCheckBox();
+		headlessCheck->setChecked(settings.value(HEADLESS_MODE, true).toBool());
+		QObject::connect(headlessCheck, &QCheckBox::clicked, [](bool headless) { settings.setValue(HEADLESS_MODE, headless); });
+		QObject::connect(startButton, &QPushButton::clicked, [statusLabel, chromePathEdit, headlessCheck]
+		{
+			DevTools::Start(
+				S(chromePathEdit->text()),
+				[statusLabel](QString status)
+				{
+					QMetaObject::invokeMethod(statusLabel, std::bind(&QLabel::setText, statusLabel, status));
+					if (status == "ConnectedState") std::thread([]
+					{
+						if (HttpRequest httpRequest{
+							L"Mozilla/5.0 Textractor",
+							L"127.0.0.1",
+							L"POST",
+							L"/json/version",
+							"",
+							NULL,
+							9222,
+							NULL,
+							WINHTTP_FLAG_ESCAPE_DISABLE
+						})
+							if (auto userAgent = Copy(JSON::Parse(httpRequest.response)[L"User-Agent"].String()))
+								if (userAgent->find(L"Headless") != std::string::npos)
+									DevTools::SendRequest(
+										"Network.setUserAgentOverride",
+										FormatString(LR"({"userAgent":"%s"})", userAgent->replace(userAgent->find(L"Headless"), 8, L""))
+									);
+					}).detach();
+				},
+				headlessCheck->isChecked()
+			);
+		});
+		QObject::connect(stopButton, &QPushButton::clicked, &DevTools::Close);
+		auto buttons = new QHBoxLayout();
+		buttons->addWidget(startButton);
+		buttons->addWidget(stopButton);
+		display->addRow(HEADLESS_MODE, headlessCheck);
+		auto autoStartCheck = new QCheckBox();
+		autoStartCheck->setChecked(settings.value(AUTO_START, false).toBool());
+		QObject::connect(autoStartCheck, &QCheckBox::clicked, [](bool autoStart) { settings.setValue(AUTO_START, autoStart); });
+		display->addRow(AUTO_START, autoStartCheck);
+		display->addRow(buttons);
+		statusLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);
+		display->addRow(DEVTOOLS_STATUS, statusLabel);
+		if (autoStartCheck->isChecked()) QMetaObject::invokeMethod(startButton, &QPushButton::click, Qt::QueuedConnection);
+	}
+	break;
+	case DLL_PROCESS_DETACH:
+	{
+		DevTools::Close();
+	}
+	break;
+	}
+	return TRUE;
+}
+
+std::pair<bool, std::wstring> Translate(const std::wstring& text)
+{
+	if (!DevTools::Connected()) return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, ERROR_START_CHROME) };
+	// DevTools can't handle concurrent translations yet
+	static std::mutex translationMutex;
+	std::scoped_lock lock(translationMutex);
+	if (firstTranslation) {
+		firstTranslation = false; 
+		DevTools::SendRequest("Page.navigate", FormatString(LR"({"url":"https://translate.systran.net"})"));
+		for (int retry = 0; ++retry < 100; Sleep(100))
+			if (auto translation = Copy(DevTools::SendRequest("Runtime.evaluate",
+				LR"({"expression":"document.querySelector('#translationTools').innerHTML.trim() ","returnByValue":true})"
+			)[L"result"][L"value"].String())) if (!translation->empty()) break;
+		DevTools::SendRequest("Runtime.evaluate", FormatString(LR"({"expression":"
+			//document.waitForSelector('#target-dummydiv');
+			document.querySelector('#cookieChoiceDismiss').click();
+		"})"));
+	}
+
+	DevTools::SendRequest("Page.navigate", FormatString(LR"({"url":"https://translate.systran.net/?&source=%s&target=%s&input=%s"})", translateFrom.Copy(), translateTo.Copy(), Escape(text)));
+
+	for (int retry = 0; ++retry < 100; Sleep(100))
+		if (auto translation = Copy(DevTools::SendRequest("Runtime.evaluate",
+			LR"({"expression":"document.querySelector('#outputEditor').textContent.trim() ","returnByValue":true})"
+		)[L"result"][L"value"].String())) if (!translation->empty()) return { true, translation.value() };
+	if (auto errorMessage = Copy(DevTools::SendRequest("Runtime.evaluate",
+		LR"({"expression":"document.querySelector('div.lmt__system_notification').innerHTML","returnByValue":true})"
+	)[L"result"][L"value"].String())) return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, errorMessage.value()) };
+	return { false, TRANSLATION_ERROR };
+}