diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36641e35..90e890ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,6 +147,8 @@ target_sources(
           src/macro-core/macro-action-timer.hpp
           src/macro-core/macro-action-transition.cpp
           src/macro-core/macro-action-transition.hpp
+          src/macro-core/macro-action-variable.cpp
+          src/macro-core/macro-action-variable.hpp
           src/macro-core/macro-action-virtual-cam.cpp
           src/macro-core/macro-action-virtual-cam.hpp
           src/macro-core/macro-action-wait.cpp
diff --git a/data/locale/en-US.ini b/data/locale/en-US.ini
index 9f250b99..8e7cd1af 100644
--- a/data/locale/en-US.ini
+++ b/data/locale/en-US.ini
@@ -521,6 +521,13 @@ AdvSceneSwitcher.action.http.type.get="GET"
 AdvSceneSwitcher.action.http.type.post="POST"
 AdvSceneSwitcher.action.http.entry.line1="Send {{method}} to {{url}}"
 AdvSceneSwitcher.action.http.entry.line2="Timeout: {{timeout}} seconds"
+AdvSceneSwitcher.action.variable="Variable"
+AdvSceneSwitcher.action.variable.type.set="Set"
+AdvSceneSwitcher.action.variable.type.append="Append"
+AdvSceneSwitcher.action.variable.type.appendVar="Append variable"
+AdvSceneSwitcher.action.variable.type.increment="Increment"
+AdvSceneSwitcher.action.variable.type.decrement="Decrement"
+AdvSceneSwitcher.action.variable.entry="{{actions}}{{variables}}{{variables2}}{{strValue}}{{numValue}}"
 
 
 ; Transition Tab
diff --git a/src/macro-core/macro-action-variable.cpp b/src/macro-core/macro-action-variable.cpp
new file mode 100644
index 00000000..33c37a11
--- /dev/null
+++ b/src/macro-core/macro-action-variable.cpp
@@ -0,0 +1,253 @@
+#include "macro-action-variable.hpp"
+#include "advanced-scene-switcher.hpp"
+#include "utility.hpp"
+
+const std::string MacroActionVariable::id = "variable";
+
+bool MacroActionVariable::_registered = MacroActionFactory::Register(
+	MacroActionVariable::id,
+	{MacroActionVariable::Create, MacroActionVariableEdit::Create,
+	 "AdvSceneSwitcher.action.variable"});
+
+static std::map<MacroActionVariable::Type, std::string> waitTypes = {
+	{MacroActionVariable::Type::SET,
+	 "AdvSceneSwitcher.action.variable.type.set"},
+	{MacroActionVariable::Type::APPEND,
+	 "AdvSceneSwitcher.action.variable.type.append"},
+	{MacroActionVariable::Type::APPEND_VAR,
+	 "AdvSceneSwitcher.action.variable.type.appendVar"},
+	{MacroActionVariable::Type::INCREMENT,
+	 "AdvSceneSwitcher.action.variable.type.increment"},
+	{MacroActionVariable::Type::DECREMENT,
+	 "AdvSceneSwitcher.action.variable.type.decrement"},
+};
+
+static void apppend(Variable &var, const std::string &value)
+{
+	auto currentValue = var.Value();
+	var.SetValue(currentValue + value);
+}
+
+static void modifyNumValue(Variable &var, double val, const bool increment)
+{
+	double current;
+	if (!var.DoubleValue(current)) {
+		return;
+	}
+	if (increment) {
+		var.SetValue(current + val);
+	} else {
+		var.SetValue(current - val);
+	}
+}
+
+bool MacroActionVariable::PerformAction()
+{
+	auto var = GetVariableByName(_variableName);
+	if (!var) {
+		return true;
+	}
+
+	switch (_type) {
+	case MacroActionVariable::Type::SET:
+		var->SetValue(_strValue);
+		break;
+	case MacroActionVariable::Type::APPEND:
+		apppend(*var, _strValue);
+		break;
+	case MacroActionVariable::Type::APPEND_VAR: {
+		auto var2 = GetVariableByName(_variable2Name);
+		if (!var2) {
+			return true;
+		}
+		apppend(*var, var2->Value());
+		break;
+	}
+	case MacroActionVariable::Type::INCREMENT:
+		modifyNumValue(*var, _numValue, true);
+		break;
+	case MacroActionVariable::Type::DECREMENT:
+		modifyNumValue(*var, _numValue, false);
+		break;
+	}
+
+	return true;
+}
+
+bool MacroActionVariable::Save(obs_data_t *obj)
+{
+	MacroAction::Save(obj);
+	obs_data_set_string(obj, "variableName", _variableName.c_str());
+	obs_data_set_string(obj, "variable2Name", _variable2Name.c_str());
+	obs_data_set_string(obj, "strValue", _strValue.c_str());
+	obs_data_set_double(obj, "numValue", _numValue);
+	obs_data_set_int(obj, "condition", static_cast<int>(_type));
+	return true;
+}
+
+bool MacroActionVariable::Load(obs_data_t *obj)
+{
+	MacroAction::Load(obj);
+	_variableName = obs_data_get_string(obj, "variableName");
+	_variable2Name = obs_data_get_string(obj, "variable2Name");
+	_strValue = obs_data_get_string(obj, "strValue");
+	_numValue = obs_data_get_double(obj, "numValue");
+	_type = static_cast<Type>(obs_data_get_int(obj, "condition"));
+	return true;
+}
+
+std::string MacroActionVariable::GetShortDesc()
+{
+	return _variableName;
+}
+
+static inline void populateTypeSelection(QComboBox *list)
+{
+	for (auto entry : waitTypes) {
+		list->addItem(obs_module_text(entry.second.c_str()));
+	}
+}
+
+MacroActionVariableEdit::MacroActionVariableEdit(
+	QWidget *parent, std::shared_ptr<MacroActionVariable> entryData)
+	: QWidget(parent),
+	  _variables(new VariableSelection(this)),
+	  _variables2(new VariableSelection(this)),
+	  _actions(new QComboBox()),
+	  _strValue(new QLineEdit()),
+	  _numValue(new QDoubleSpinBox())
+{
+	_numValue->setMinimum(-9999999999);
+	_numValue->setMaximum(9999999999);
+	populateTypeSelection(_actions);
+
+	QWidget::connect(_variables, SIGNAL(SelectionChanged(const QString &)),
+			 this, SLOT(VariableChanged(const QString &)));
+	QWidget::connect(_variables2, SIGNAL(SelectionChanged(const QString &)),
+			 this, SLOT(Variable2Changed(const QString &)));
+	QWidget::connect(_actions, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(ActionChanged(int)));
+	QWidget::connect(_strValue, SIGNAL(editingFinished()), this,
+			 SLOT(StrValueChanged()));
+	QWidget::connect(_numValue, SIGNAL(valueChanged(double)), this,
+			 SLOT(NumValueChanged(double)));
+
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{variables}}", _variables}, {"{{variables2}}", _variables2},
+		{"{{actions}}", _actions},     {"{{strValue}}", _strValue},
+		{"{{numValue}}", _numValue},
+	};
+
+	auto mainLayout = new QHBoxLayout;
+	placeWidgets(obs_module_text("AdvSceneSwitcher.action.variable.entry"),
+		     mainLayout, widgetPlaceholders);
+	setLayout(mainLayout);
+
+	_entryData = entryData;
+	UpdateEntryData();
+	_loading = false;
+}
+
+void MacroActionVariableEdit::UpdateEntryData()
+{
+	if (!_entryData) {
+		return;
+	}
+
+	_variables->SetVariable(_entryData->_variableName);
+	_variables2->SetVariable(_entryData->_variable2Name);
+	_actions->setCurrentIndex(static_cast<int>(_entryData->_type));
+	_strValue->setText(QString::fromStdString(_entryData->_strValue));
+	_numValue->setValue(_entryData->_numValue);
+	SetWidgetVisibility();
+}
+
+void MacroActionVariableEdit::VariableChanged(const QString &text)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_variableName = text.toStdString();
+}
+
+void MacroActionVariableEdit::Variable2Changed(const QString &text)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_variable2Name = text.toStdString();
+}
+
+void MacroActionVariableEdit::ActionChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_type = static_cast<MacroActionVariable::Type>(value);
+	SetWidgetVisibility();
+}
+
+void MacroActionVariableEdit::StrValueChanged()
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_strValue = _strValue->text().toStdString();
+}
+
+void MacroActionVariableEdit::NumValueChanged(double val)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_numValue = val;
+}
+
+void MacroActionVariableEdit::SetWidgetVisibility()
+{
+	if (!_entryData) {
+		return;
+	}
+
+	auto type = _entryData->_type;
+	switch (type) {
+	case MacroActionVariable::Type::SET:
+		_variables2->hide();
+		_strValue->show();
+		_numValue->hide();
+		break;
+	case MacroActionVariable::Type::APPEND:
+		_variables2->hide();
+		_strValue->show();
+		_numValue->hide();
+		break;
+	case MacroActionVariable::Type::APPEND_VAR:
+		_variables2->show();
+		_strValue->hide();
+		_numValue->hide();
+		break;
+	case MacroActionVariable::Type::INCREMENT:
+		_variables2->hide();
+		_strValue->hide();
+		_numValue->show();
+		break;
+	case MacroActionVariable::Type::DECREMENT:
+		_variables2->hide();
+		_strValue->hide();
+		_numValue->show();
+		break;
+	}
+
+	adjustSize();
+	updateGeometry();
+}
diff --git a/src/macro-core/macro-action-variable.hpp b/src/macro-core/macro-action-variable.hpp
new file mode 100644
index 00000000..9cd8a663
--- /dev/null
+++ b/src/macro-core/macro-action-variable.hpp
@@ -0,0 +1,76 @@
+#pragma once
+#include "macro-action-edit.hpp"
+#include "variable.hpp"
+
+class MacroActionVariable : public MacroAction {
+public:
+	MacroActionVariable(Macro *m) : MacroAction(m) {}
+	bool PerformAction();
+	bool Save(obs_data_t *obj);
+	bool Load(obs_data_t *obj);
+	std::string GetShortDesc();
+	std::string GetId() { return id; };
+	static std::shared_ptr<MacroAction> Create(Macro *m)
+	{
+		return std::make_shared<MacroActionVariable>(m);
+	}
+
+	enum class Type {
+		SET,
+		APPEND,
+		APPEND_VAR,
+		INCREMENT,
+		DECREMENT,
+		//...
+	};
+
+	Type _type = Type::SET;
+	std::string _variableName = "";
+	std::string _variable2Name = "";
+	std::string _strValue = "";
+	double _numValue = 0;
+
+private:
+	static bool _registered;
+	static const std::string id;
+};
+
+class MacroActionVariableEdit : public QWidget {
+	Q_OBJECT
+
+public:
+	MacroActionVariableEdit(
+		QWidget *parent,
+		std::shared_ptr<MacroActionVariable> entryData = nullptr);
+	void UpdateEntryData();
+	static QWidget *Create(QWidget *parent,
+			       std::shared_ptr<MacroAction> action)
+	{
+		return new MacroActionVariableEdit(
+			parent,
+			std::dynamic_pointer_cast<MacroActionVariable>(action));
+	}
+
+private slots:
+	void VariableChanged(const QString &);
+	void Variable2Changed(const QString &);
+	void ActionChanged(int);
+	void StrValueChanged();
+	void NumValueChanged(double);
+
+signals:
+	void HeaderInfoChanged(const QString &);
+
+protected:
+	VariableSelection *_variables;
+	VariableSelection *_variables2;
+	QComboBox *_actions;
+	QLineEdit *_strValue;
+	QDoubleSpinBox *_numValue;
+	std::shared_ptr<MacroActionVariable> _entryData;
+
+private:
+	void SetWidgetVisibility();
+
+	bool _loading = true;
+};
diff --git a/src/macro-core/macro-condition-variable.cpp b/src/macro-core/macro-condition-variable.cpp
index f553a542..38feef4d 100644
--- a/src/macro-core/macro-condition-variable.cpp
+++ b/src/macro-core/macro-condition-variable.cpp
@@ -26,25 +26,23 @@ const static std::map<MacroConditionVariable::Type, std::string>
 		 "AdvSceneSwitcher.condition.variable.type.greaterThan"},
 };
 
-static bool isNumber(const std::string &str)
+static bool isNumber(const Variable &var)
 {
-	char *end = nullptr;
-	double val = strtod(str.c_str(), &end);
-	return end != str.c_str() && *end == '\0' && val != HUGE_VAL;
+	double _;
+	return var.DoubleValue(_);
 }
 
-static bool compareNumber(const std::string &var, double value, bool less)
+static bool compareNumber(const Variable &var, double value, bool less)
 {
-	char *end = nullptr;
-	double varVal = strtod(var.c_str(), &end);
-	if (end != var.c_str() && *end == '\0' && varVal != HUGE_VAL) {
-		if (less) {
-			return varVal < value;
-		} else {
-			return varVal > value;
-		}
+	double varValue;
+
+	if (!var.DoubleValue(varValue)) {
+		return false;
 	}
-	return false;
+	if (less) {
+		return varValue < value;
+	}
+	return varValue > value;
 }
 
 bool MacroConditionVariable::Compare(const Variable &var) const
@@ -74,11 +72,11 @@ bool MacroConditionVariable::CheckCondition()
 	case MacroConditionVariable::Type::IS_EMPTY:
 		return var->Value().empty();
 	case MacroConditionVariable::Type::IS_NUMBER:
-		return isNumber(var->Value());
+		return isNumber(*var);
 	case MacroConditionVariable::Type::LESS_THAN:
-		return compareNumber(var->Value(), _numValue, true);
+		return compareNumber(*var, _numValue, true);
 	case MacroConditionVariable::Type::GREATER_THAN:
-		return compareNumber(var->Value(), _numValue, false);
+		return compareNumber(*var, _numValue, false);
 	}
 
 	return false;