diff --git a/include/argparse/parameter.h b/include/argparse/parameter.h
index 95036c3..9f9e278 100644
--- a/include/argparse/parameter.h
+++ b/include/argparse/parameter.h
@@ -7,7 +7,7 @@ namespace argparse
 {
     enum parameter_type
     {
-        NONE, INTEGER, STRING, FLOAT
+        NONE, INTEGER, STRING, FLOAT, BOOL
     };
 
     class parameter
diff --git a/include/argparse/parameter_bool.h b/include/argparse/parameter_bool.h
new file mode 100644
index 0000000..1dc13ba
--- /dev/null
+++ b/include/argparse/parameter_bool.h
@@ -0,0 +1,18 @@
+#ifndef ARGPARSE_PARAMETER_BOOL_H
+#define ARGPARSE_PARAMETER_BOOL_H
+
+#include "argparse/parameter.h"
+#include <string>
+
+namespace argparse {
+    class parameter_bool : public parameter {
+    public:
+        parameter_bool(std::string short_name, std::string name, std::string description);
+        void set(std::string value) override;
+        void get_value_to(void* p_value) override;
+    private:
+        bool value;
+    };
+}
+
+#endif // ARGPARSE_PARAMETER_BOOL_H
diff --git a/include/argparse/parser.h b/include/argparse/parser.h
index 56a1b15..356f618 100644
--- a/include/argparse/parser.h
+++ b/include/argparse/parser.h
@@ -1,12 +1,12 @@
-#ifndef ARGPARSE_PARSER_H
-#define ARGPARSE_PARSER_H
-
-#include "argparse/defs.h"
-#include "argparse/util.h"
-
-namespace argparse
-{
-    
+#ifndef ARGPARSE_PARSER_H
+#define ARGPARSE_PARSER_H
+
+#include "argparse/defs.h"
+#include "argparse/util.h"
+
+namespace argparse
+{
+    
     class parser
     {
     public:
@@ -14,6 +14,7 @@ namespace argparse
         virtual ~parser();
 
         void add_parameter(std::string short_name, std::string name, std::string description, parameter_type type=NONE, bool required=false, std::string default_value=std::string(""));
+        void add_bool(std::string short_name, std::string name, std::string description, bool required = false, bool default_value = false);
 
         std::string get_help_message();
 
@@ -38,7 +39,7 @@ namespace argparse
         bool is_help_requested();
         void print_help_and_exit();
 
-    };
-}
-
+    };
+}
+
 #endif
\ No newline at end of file
diff --git a/include/argparse/util.h b/include/argparse/util.h
index d57565a..97192d3 100644
--- a/include/argparse/util.h
+++ b/include/argparse/util.h
@@ -9,6 +9,7 @@
 #include "argparse/parameter_integer.h"
 #include "argparse/parameter_string.h"
 #include "argparse/parameter_float.h"
+#include "argparse/parameter_bool.h"
 
 namespace argparse
 {
diff --git a/src/argparse/parameter_bool.cc b/src/argparse/parameter_bool.cc
new file mode 100644
index 0000000..06ea31b
--- /dev/null
+++ b/src/argparse/parameter_bool.cc
@@ -0,0 +1,23 @@
+#include "argparse/parameter_bool.h"
+#include <algorithm>
+
+using namespace argparse;
+
+parameter_bool::parameter_bool(std::string short_name, std::string name, std::string description)
+    : parameter(short_name, name, description, BOOL), value(false) {}
+
+void parameter_bool::set(std::string value_str) {
+    std::string lower = value_str;
+    std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
+    if (lower == "1" || lower == "true" || lower == "yes" || lower == "on") {
+        value = true;
+    } else {
+        value = false;
+    }
+}
+
+void parameter_bool::get_value_to(void* p_value) {
+    if (p_value) {
+        *static_cast<bool*>(p_value) = value;
+    }
+}
diff --git a/src/argparse/parser.cc b/src/argparse/parser.cc
index 28195de..25f1767 100644
--- a/src/argparse/parser.cc
+++ b/src/argparse/parser.cc
@@ -2,70 +2,86 @@
 #include <iostream>
 #include <cstdlib>
 
-using namespace argparse;
-
+using namespace argparse;
+
 parser::parser()
 {
     auto_help_enabled = true; // Enable auto-help by default
-}
-
-parser::~parser()
-{
-    // Delete all parameters
-    for (auto p_parameter : this->parameters)
-    {
-        delete p_parameter.second;
-    }
-}
-
-void argparse::parser::add_parameter(std::string short_name, std::string name, std::string description, parameter_type type, bool required, std::string default_value)
-{
-    parameter* p_parameter = nullptr;
-    p_parameter = util::create_parameter(short_name, name, description, type);
-    if (p_parameter != nullptr)
-    {
-        if (type != NONE)
-            p_parameter->set(default_value);
-        p_parameter->set_required(required);
-        std::string key = short_name + '\n' + name;
-        parameters[key] = p_parameter;
-        if (short_name != "")
-        {
-            short_name_query[short_name] = key;
-        }
-        if (name != "")
-        {
-            name_query[name] = key;
-        }
-    }
-}
-
-std::string argparse::parser::get_help_message()
-{
-    std::string help_message = "";
-    help_message += std::string("Usage: ") + program_name + " [options]";
-    for (auto p_parameter : this->parameters)
-    {
-        help_message += std::string("\n");
-        if (p_parameter.second->get_short_name() != "")
-        {
-            help_message += std::string("-") + p_parameter.second->get_short_name();
-            help_message += std::string(", ");
-        }
-        if (p_parameter.second->get_name() != "")
-        {
-            help_message += std::string("--") + p_parameter.second->get_name();
-        }
-        help_message += std::string("\t") + p_parameter.second->get_description();
-        if (p_parameter.second->get_short_name() == "" && p_parameter.second->get_name() == "")
-        {
-            help_message = "error: parameter has no name or short name";
-            return help_message;
-        }
-    }
-    return help_message;
-}
-
+}
+
+parser::~parser()
+{
+    // Delete all parameters
+    for (auto p_parameter : this->parameters)
+    {
+        delete p_parameter.second;
+    }
+}
+
+void argparse::parser::add_parameter(std::string short_name, std::string name, std::string description, parameter_type type, bool required, std::string default_value)
+{
+    parameter* p_parameter = nullptr;
+    p_parameter = util::create_parameter(short_name, name, description, type);
+    if (p_parameter != nullptr)
+    {
+        if (type != NONE)
+            p_parameter->set(default_value);
+        p_parameter->set_required(required);
+        std::string key = short_name + '\n' + name;
+        parameters[key] = p_parameter;
+        if (short_name != "")
+        {
+            short_name_query[short_name] = key;
+        }
+        if (name != "")
+        {
+            name_query[name] = key;
+        }
+    }
+}
+
+void parser::add_bool(std::string short_name, std::string name, std::string description, bool required, bool default_value) {
+    parameter* p_parameter = util::create_parameter(short_name, name, description, parameter_type::BOOL);
+    if (p_parameter != nullptr) {
+        p_parameter->set(default_value ? "true" : "false");
+        p_parameter->set_required(required);
+        std::string key = short_name + "::" + name;
+        parameters[key] = p_parameter;
+        if (short_name != "") {
+            short_name_query[short_name] = key;
+        }
+        if (name != "") {
+            name_query[name] = key;
+        }
+    }
+}
+
+std::string argparse::parser::get_help_message()
+{
+    std::string help_message = "";
+    help_message += std::string("Usage: ") + program_name + " [options]";
+    for (auto p_parameter : this->parameters)
+    {
+        help_message += std::string("\n");
+        if (p_parameter.second->get_short_name() != "")
+        {
+            help_message += std::string("-") + p_parameter.second->get_short_name();
+            help_message += std::string(", ");
+        }
+        if (p_parameter.second->get_name() != "")
+        {
+            help_message += std::string("--") + p_parameter.second->get_name();
+        }
+        help_message += std::string("\t") + p_parameter.second->get_description();
+        if (p_parameter.second->get_short_name() == "" && p_parameter.second->get_name() == "")
+        {
+            help_message = "error: parameter has no name or short name";
+            return help_message;
+        }
+    }
+    return help_message;
+}
+
 bool parser::parse(std::vector<std::string> args)
 {
     //get program name by removing path
@@ -145,18 +161,18 @@ bool parser::parse(std::vector<std::string> args)
     }
     
     return true;
-}
-
-bool parser::parse(int argc, char** argv)
-{
-    std::vector<std::string> args;
-    for (int i = 0; i < argc; i++)
-    {
-        args.push_back(argv[i]);
-    }
-    return parse(args);
-}
-
+}
+
+bool parser::parse(int argc, char** argv)
+{
+    std::vector<std::string> args;
+    for (int i = 0; i < argc; i++)
+    {
+        args.push_back(argv[i]);
+    }
+    return parse(args);
+}
+
 bool parser::get_parameter_value_to(std::string flag, void* value_buf)
 {
     std::string key = "";
diff --git a/src/argparse/util.cc b/src/argparse/util.cc
index a722f65..98329c3 100644
--- a/src/argparse/util.cc
+++ b/src/argparse/util.cc
@@ -1,4 +1,5 @@
 #include "argparse/util.h"
+#include "argparse/parameter_bool.h"
 
 using namespace argparse;
 
@@ -14,6 +15,8 @@ parameter* util::create_parameter(std::string short_name, std::string name, std:
         return new parameter_string(short_name, name, description);
     case parameter_type::FLOAT:
         return new parameter_float(short_name, name, description);
+    case parameter_type::BOOL:
+        return new parameter_bool(short_name, name, description);
     default:
         std::cerr << "Unknown parameter type: " << type << std::endl;
         return nullptr;
diff --git a/tests/test_parameter_bool.cc b/tests/test_parameter_bool.cc
new file mode 100644
index 0000000..5e1d855
--- /dev/null
+++ b/tests/test_parameter_bool.cc
@@ -0,0 +1,42 @@
+#include "argparse/parser.h"
+#include <cassert>
+#include <iostream>
+
+using namespace argparse;
+
+void test_bool_parameter() {
+    parser p;
+    p.add_bool("v", "verbose", "Enable verbose mode", false, false);
+    const char* argv[] = {"prog", "--verbose", "true"};
+    bool result = p.parse(3, const_cast<char**>(argv));
+    assert(result);
+    bool verbose = false;
+    bool found = p.get_parameter_value_to("verbose", &verbose);
+    assert(found);
+    assert(verbose == true);
+
+    // Test false value
+    const char* argv2[] = {"prog", "--verbose", "false"};
+    p.parse(3, const_cast<char**>(argv2));
+    verbose = true;
+    found = p.get_parameter_value_to("verbose", &verbose);
+    assert(found);
+    assert(verbose == false);
+
+    // Test default value
+    parser p2;
+    p2.add_bool("d", "debug", "Enable debug", false, true);
+    const char* argv3[] = {"prog"};
+    p2.parse(1, const_cast<char**>(argv3));
+    bool debug = false;
+    found = p2.get_parameter_value_to("debug", &debug);
+    assert(found);
+    assert(debug == true);
+
+    std::cout << "Bool parameter tests passed!\n";
+}
+
+int main() {
+    test_bool_parameter();
+    return 0;
+}