diff --git a/others/C++/text converter/Makefile b/others/C++/text converter/Makefile
new file mode 100644
index 0000000..693e1e3
--- /dev/null
+++ b/others/C++/text converter/Makefile	
@@ -0,0 +1,37 @@
+# 编译器设置
+CXX = g++
+FLTK_CONFIG = fltk-config
+
+# 编译选项
+CXXFLAGS = -std=c++11 -Wall -Iinclude
+LDFLAGS = -static -mwindows `$(FLTK_CONFIG) --use-images --ldstaticflags` -lcrypto -lws2_32 -lcrypt32
+
+# 源文件和目标文件
+SRC_DIR = src
+OBJ_DIR = obj
+SRCS = $(wildcard $(SRC_DIR)/*.cpp)
+OBJS = $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(SRCS))
+
+# 可执行文件
+TARGET = text_converter.exe
+
+# 默认目标
+all: $(OBJ_DIR) $(TARGET)
+
+# 创建obj目录
+$(OBJ_DIR):
+	mkdir -p $(OBJ_DIR)
+
+# 生成目标文件
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+# 链接生成可执行文件
+$(TARGET): $(OBJS)
+	$(CXX) $^ -o $@ $(LDFLAGS)
+
+# 清理
+clean:
+	rm -rf $(OBJ_DIR) $(TARGET)
+
+.PHONY: all clean
diff --git a/others/C++/text converter/include/About.hpp b/others/C++/text converter/include/About.hpp
new file mode 100644
index 0000000..a7770ba
--- /dev/null
+++ b/others/C++/text converter/include/About.hpp	
@@ -0,0 +1,16 @@
+#ifndef ABOUT_HPP
+#define ABOUT_HPP
+
+#include <string>
+
+class About {
+public:
+    static std::string getName() { return "文本转换器"; }
+    static std::string getVersion() { return "1.0.0"; }
+    static std::string getAuthor() { return "zsyg"; }
+    static std::string getDescription() { 
+        return "一个简单的文本转换工具，支持文本转换"; 
+    }
+};
+
+#endif // ABOUT_HPP
diff --git a/others/C++/text converter/include/Ascii85Converter.hpp b/others/C++/text converter/include/Ascii85Converter.hpp
new file mode 100644
index 0000000..adcebe7
--- /dev/null
+++ b/others/C++/text converter/include/Ascii85Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef ASCII85CONVERTER_HPP
+#define ASCII85CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class Ascii85Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "Ascii85"; }
+};
+
+#endif // ASCII85CONVERTER_HPP
diff --git a/others/C++/text converter/include/Base32Converter.hpp b/others/C++/text converter/include/Base32Converter.hpp
new file mode 100644
index 0000000..a518361
--- /dev/null
+++ b/others/C++/text converter/include/Base32Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef BASE32CONVERTER_HPP
+#define BASE32CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class Base32Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "Base32"; }
+};
+
+#endif // BASE32CONVERTER_HPP
diff --git a/others/C++/text converter/include/Base64Converter.hpp b/others/C++/text converter/include/Base64Converter.hpp
new file mode 100644
index 0000000..c5a1ab6
--- /dev/null
+++ b/others/C++/text converter/include/Base64Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef BASE64CONVERTER_HPP
+#define BASE64CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class Base64Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "Base64"; }
+};
+
+#endif // BASE64CONVERTER_HPP
diff --git a/others/C++/text converter/include/BinaryConverter.hpp b/others/C++/text converter/include/BinaryConverter.hpp
new file mode 100644
index 0000000..540631a
--- /dev/null
+++ b/others/C++/text converter/include/BinaryConverter.hpp	
@@ -0,0 +1,14 @@
+#ifndef BINARYCONVERTER_HPP
+#define BINARYCONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+#include <bitset>
+
+class BinaryConverter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "二进制"; }
+};
+
+#endif // BINARYCONVERTER_HPP
diff --git a/others/C++/text converter/include/CRC32Converter.hpp b/others/C++/text converter/include/CRC32Converter.hpp
new file mode 100644
index 0000000..9b468c5
--- /dev/null
+++ b/others/C++/text converter/include/CRC32Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef CRC32CONVERTER_HPP
+#define CRC32CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class CRC32Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "CRC32"; }
+};
+
+#endif // CRC32CONVERTER_HPP
diff --git a/others/C++/text converter/include/Config.hpp b/others/C++/text converter/include/Config.hpp
new file mode 100644
index 0000000..d46f718
--- /dev/null
+++ b/others/C++/text converter/include/Config.hpp	
@@ -0,0 +1,30 @@
+#ifndef CONFIG_HPP
+#define CONFIG_HPP
+
+namespace Config {
+    constexpr int WINDOW_WIDTH = 450;
+    constexpr int WINDOW_HEIGHT = 250;
+    constexpr const char* WINDOW_TITLE = "文本转换器";
+    
+    constexpr int INPUT_X = 70;
+    constexpr int INPUT_Y = 40;
+    constexpr int INPUT_WIDTH = 360;
+    constexpr int INPUT_HEIGHT = 30;
+    
+    constexpr int OUTPUT_X = 70;
+    constexpr int OUTPUT_Y = 100;
+    constexpr int OUTPUT_WIDTH = 360;
+    constexpr int OUTPUT_HEIGHT = 30;
+    
+    constexpr int CHOICE_X = 70;
+    constexpr int CHOICE_Y = 160;
+    constexpr int CHOICE_WIDTH = 120;
+    constexpr int CHOICE_HEIGHT = 30;
+    
+    constexpr int BUTTON_X = 210;
+    constexpr int BUTTON_Y = 160;
+    constexpr int BUTTON_WIDTH = 100;
+    constexpr int BUTTON_HEIGHT = 30;
+};
+
+#endif // CONFIG_HPP
diff --git a/others/C++/text converter/include/Converter.hpp b/others/C++/text converter/include/Converter.hpp
new file mode 100644
index 0000000..04c8b95
--- /dev/null
+++ b/others/C++/text converter/include/Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef CONVERTER_HPP
+#define CONVERTER_HPP
+
+#include <string>
+
+class Converter {
+public:
+    virtual ~Converter() = default;
+    virtual std::string convert(const std::string& input) = 0;
+    virtual std::string getName() const = 0;
+};
+
+#endif // CONVERTER_HPP
diff --git a/others/C++/text converter/include/HexConverter.hpp b/others/C++/text converter/include/HexConverter.hpp
new file mode 100644
index 0000000..59874e9
--- /dev/null
+++ b/others/C++/text converter/include/HexConverter.hpp	
@@ -0,0 +1,15 @@
+#ifndef HEXCONVERTER_HPP
+#define HEXCONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+#include <iomanip>
+#include <sstream>
+
+class HexConverter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "十六进制"; }
+};
+
+#endif // HEXCONVERTER_HPP
diff --git a/others/C++/text converter/include/MD5Converter.hpp b/others/C++/text converter/include/MD5Converter.hpp
new file mode 100644
index 0000000..26a2f60
--- /dev/null
+++ b/others/C++/text converter/include/MD5Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef MD5CONVERTER_HPP
+#define MD5CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class MD5Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "MD5"; }
+};
+
+#endif // MD5CONVERTER_HPP
diff --git a/others/C++/text converter/include/MainWindow.hpp b/others/C++/text converter/include/MainWindow.hpp
new file mode 100644
index 0000000..f548bee
--- /dev/null
+++ b/others/C++/text converter/include/MainWindow.hpp	
@@ -0,0 +1,26 @@
+#ifndef MAINWINDOW_HPP
+#define MAINWINDOW_HPP
+
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Button.H>
+#include <FL/Fl_Input.H>
+#include <FL/Fl_Output.H>
+#include <FL/Fl_Choice.H>
+
+class MainWindow : public Fl_Window {
+public:
+    MainWindow(int w, int h, const char* title);
+    ~MainWindow();
+
+private:
+    Fl_Input* inputText;
+    Fl_Output* outputText;
+    Fl_Choice* conversionType;
+    Fl_Button* convertButton;
+
+    static void ConvertCallback(Fl_Widget* widget, void* data);
+    void ConvertText();
+};
+
+#endif // MAINWINDOW_HPP
diff --git a/others/C++/text converter/include/ROT13Converter.hpp b/others/C++/text converter/include/ROT13Converter.hpp
new file mode 100644
index 0000000..8833efb
--- /dev/null
+++ b/others/C++/text converter/include/ROT13Converter.hpp	
@@ -0,0 +1,14 @@
+#ifndef ROT13CONVERTER_HPP
+#define ROT13CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+#include <cctype>
+
+class ROT13Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "ROT13"; }
+};
+
+#endif // ROT13CONVERTER_HPP
diff --git a/others/C++/text converter/include/SHA1Converter.hpp b/others/C++/text converter/include/SHA1Converter.hpp
new file mode 100644
index 0000000..567e1e7
--- /dev/null
+++ b/others/C++/text converter/include/SHA1Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef SHA1CONVERTER_HPP
+#define SHA1CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class SHA1Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "SHA1"; }
+};
+
+#endif // SHA1CONVERTER_HPP
diff --git a/others/C++/text converter/include/SHA256Converter.hpp b/others/C++/text converter/include/SHA256Converter.hpp
new file mode 100644
index 0000000..a022ec2
--- /dev/null
+++ b/others/C++/text converter/include/SHA256Converter.hpp	
@@ -0,0 +1,13 @@
+#ifndef SHA256CONVERTER_HPP
+#define SHA256CONVERTER_HPP
+
+#include "Converter.hpp"
+#include <string>
+
+class SHA256Converter : public Converter {
+public:
+    std::string convert(const std::string& input) override;
+    std::string getName() const override { return "SHA256"; }
+};
+
+#endif // SHA256CONVERTER_HPP
diff --git a/others/C++/text converter/include/Utils.hpp b/others/C++/text converter/include/Utils.hpp
new file mode 100644
index 0000000..b4eb649
--- /dev/null
+++ b/others/C++/text converter/include/Utils.hpp	
@@ -0,0 +1,14 @@
+#ifndef UTILS_HPP
+#define UTILS_HPP
+
+#include <memory>
+#include "Converter.hpp"
+#include "BinaryConverter.hpp"
+#include "HexConverter.hpp"
+
+class Utils {
+public:
+    static std::unique_ptr<Converter> createConverter(int type);
+};
+
+#endif // UTILS_HPP
diff --git a/others/C++/text converter/src/Ascii85Converter.cpp b/others/C++/text converter/src/Ascii85Converter.cpp
new file mode 100644
index 0000000..8245f32
--- /dev/null
+++ b/others/C++/text converter/src/Ascii85Converter.cpp	
@@ -0,0 +1,47 @@
+#include "../include/Ascii85Converter.hpp"
+#include <string>
+#include <cmath>
+#include <sstream>
+#include <cstdint>
+
+const std::string ASCII85_PREFIX = "<~";
+const std::string ASCII85_SUFFIX = "~>";
+
+std::string Ascii85Converter::convert(const std::string& input) {
+    std::stringstream result;
+    result << ASCII85_PREFIX;
+
+    size_t i = 0;
+    while (i < input.size()) {
+        uint32_t value = 0;
+        int bytes = 0;
+
+        // 读取4个字节
+        for (int j = 0; j < 4 && (i + j) < input.size(); j++) {
+            value = (value << 8) | static_cast<unsigned char>(input[i + j]);
+            bytes++;
+        }
+        i += bytes;
+
+        // 特殊处理全0的4字节
+        if (value == 0 && bytes == 4) {
+            result << 'z';
+            continue;
+        }
+
+        // 转换为Ascii85
+        char chars[5];
+        for (int j = 4; j >= 0; j--) {
+            chars[j] = value % 85 + '!';
+            value /= 85;
+        }
+
+        // 写入结果(只写入bytes+1个字符)
+        for (int j = 0; j < bytes + 1; j++) {
+            result << chars[j];
+        }
+    }
+
+    result << ASCII85_SUFFIX;
+    return result.str();
+}
diff --git a/others/C++/text converter/src/Base32Converter.cpp b/others/C++/text converter/src/Base32Converter.cpp
new file mode 100644
index 0000000..2feb5ff
--- /dev/null
+++ b/others/C++/text converter/src/Base32Converter.cpp	
@@ -0,0 +1,37 @@
+#include "../include/Base32Converter.hpp"
+#include <string>
+#include <stdexcept>
+
+const std::string BASE32_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
+
+std::string Base32Converter::convert(const std::string& input) {
+    std::string result;
+    int buffer = 0;
+    int bitsLeft = 0;
+    int count = 0;
+
+    for (unsigned char c : input) {
+        buffer <<= 8;
+        buffer |= c;
+        bitsLeft += 8;
+        count++;
+
+        while (bitsLeft >= 5) {
+            int index = (buffer >> (bitsLeft - 5)) & 0x1F;
+            result += BASE32_CHARS[index];
+            bitsLeft -= 5;
+        }
+    }
+
+    if (bitsLeft > 0) {
+        int index = (buffer << (5 - bitsLeft)) & 0x1F;
+        result += BASE32_CHARS[index];
+    }
+
+    // 添加填充字符
+    while (result.size() % 8 != 0) {
+        result += '=';
+    }
+
+    return result;
+}
diff --git a/others/C++/text converter/src/Base64Converter.cpp b/others/C++/text converter/src/Base64Converter.cpp
new file mode 100644
index 0000000..bb57586
--- /dev/null
+++ b/others/C++/text converter/src/Base64Converter.cpp	
@@ -0,0 +1,22 @@
+#include "../include/Base64Converter.hpp"
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <string>
+
+std::string Base64Converter::convert(const std::string& input) {
+    // Base64编码
+    BIO *b64 = BIO_new(BIO_f_base64());
+    BIO *bio = BIO_new(BIO_s_mem());
+    BIO_push(b64, bio);
+    BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
+
+    BIO_write(b64, input.c_str(), input.length());
+    BIO_flush(b64);
+
+    char* buffer;
+    long length = BIO_get_mem_data(bio, &buffer);
+    std::string result(buffer, length);
+    
+    BIO_free_all(b64);
+    return result;
+}
diff --git a/others/C++/text converter/src/BinaryConverter.cpp b/others/C++/text converter/src/BinaryConverter.cpp
new file mode 100644
index 0000000..6ea5020
--- /dev/null
+++ b/others/C++/text converter/src/BinaryConverter.cpp	
@@ -0,0 +1,27 @@
+#include "../include/BinaryConverter.hpp"
+#include <bitset>
+#include <sstream>
+#include <algorithm>
+
+std::string BinaryConverter::convert(const std::string& input) {
+    if (input.empty()) {
+        return "";
+    }
+
+    std::stringstream result;
+    for (char c : input) {
+        std::string binary = std::bitset<8>(c).to_string();
+        // 去除前导0，保留后6位
+        size_t firstOne = binary.find('1');
+        if (firstOne != std::string::npos) {
+            binary = binary.substr(firstOne);
+        }
+        result << binary << " ";
+    }
+
+    std::string output = result.str();
+    if (!output.empty()) {
+        output.pop_back(); // 移除最后一个空格
+    }
+    return output;
+}
diff --git a/others/C++/text converter/src/CRC32Converter.cpp b/others/C++/text converter/src/CRC32Converter.cpp
new file mode 100644
index 0000000..cc91010
--- /dev/null
+++ b/others/C++/text converter/src/CRC32Converter.cpp	
@@ -0,0 +1,28 @@
+#include "../include/CRC32Converter.hpp"
+#include <string>
+#include <sstream>
+#include <iomanip>
+#include <cstdint>
+
+// CRC32多项式
+const uint32_t CRC32_POLY = 0xEDB88320;
+
+uint32_t computeCRC32(const std::string& input) {
+    uint32_t crc = 0xFFFFFFFF;
+    
+    for (char c : input) {
+        crc ^= static_cast<unsigned char>(c);
+        for (int i = 0; i < 8; i++) {
+            crc = (crc >> 1) ^ ((crc & 1) ? CRC32_POLY : 0);
+        }
+    }
+    
+    return ~crc;
+}
+
+std::string CRC32Converter::convert(const std::string& input) {
+    uint32_t crc = computeCRC32(input);
+    std::stringstream ss;
+    ss << std::hex << std::setw(8) << std::setfill('0') << crc;
+    return ss.str();
+}
diff --git a/others/C++/text converter/src/HexConverter.cpp b/others/C++/text converter/src/HexConverter.cpp
new file mode 100644
index 0000000..3b9a959
--- /dev/null
+++ b/others/C++/text converter/src/HexConverter.cpp	
@@ -0,0 +1,23 @@
+#include "../include/HexConverter.hpp"
+#include <iomanip>
+#include <sstream>
+
+std::string HexConverter::convert(const std::string& input) {
+    if (input.empty()) {
+        return "";
+    }
+
+    std::stringstream result;
+    for (char c : input) {
+        result << std::hex << std::setw(2) << std::setfill('0') 
+               << static_cast<int>(static_cast<unsigned char>(c)) << " ";
+    }
+
+    std::string output = result.str();
+    // 移除最后一个空格
+    if (!output.empty()) {
+        output.pop_back();
+    }
+
+    return output;
+}
diff --git a/others/C++/text converter/src/MD5Converter.cpp b/others/C++/text converter/src/MD5Converter.cpp
new file mode 100644
index 0000000..2e062fd
--- /dev/null
+++ b/others/C++/text converter/src/MD5Converter.cpp	
@@ -0,0 +1,23 @@
+#include "../include/MD5Converter.hpp"
+#include <openssl/evp.h>
+#include <sstream>
+#include <iomanip>
+
+std::string MD5Converter::convert(const std::string& input) {
+    EVP_MD_CTX* mdctx = EVP_MD_CTX_new();
+    const EVP_MD* md = EVP_md5();
+    unsigned char digest[EVP_MAX_MD_SIZE];
+    unsigned int digest_len;
+
+    EVP_DigestInit_ex(mdctx, md, nullptr);
+    EVP_DigestUpdate(mdctx, input.c_str(), input.length());
+    EVP_DigestFinal_ex(mdctx, digest, &digest_len);
+    EVP_MD_CTX_free(mdctx);
+
+    std::stringstream ss;
+    for(unsigned int i = 0; i < digest_len; i++) {
+        ss << std::hex << std::setw(2) << std::setfill('0') << (int)digest[i];
+    }
+
+    return ss.str();
+}
diff --git a/others/C++/text converter/src/Main.cpp b/others/C++/text converter/src/Main.cpp
new file mode 100644
index 0000000..7df25d2
--- /dev/null
+++ b/others/C++/text converter/src/Main.cpp	
@@ -0,0 +1,14 @@
+#include "../include/MainWindow.hpp"
+#include "../include/Config.hpp"
+#include <FL/Fl.H>
+
+int main(int argc, char **argv) {
+    // 创建主窗口
+    MainWindow window(Config::WINDOW_WIDTH, Config::WINDOW_HEIGHT, Config::WINDOW_TITLE);
+    
+    // 显示窗口
+    window.show(argc, argv);
+    
+    // 运行FLTK主循环
+    return Fl::run();
+}
diff --git a/others/C++/text converter/src/MainWindow.cpp b/others/C++/text converter/src/MainWindow.cpp
new file mode 100644
index 0000000..571a348
--- /dev/null
+++ b/others/C++/text converter/src/MainWindow.cpp	
@@ -0,0 +1,66 @@
+#include "../include/MainWindow.hpp"
+#include "../include/Utils.hpp"
+#include "../include/Config.hpp"
+#include <FL/Fl_Box.H>
+#include <FL/fl_ask.H>
+
+MainWindow::MainWindow(int w, int h, const char* title) : Fl_Window(w, h, title) {
+    // 初始化UI元素
+    inputText = new Fl_Input(Config::INPUT_X, Config::INPUT_Y, 
+                            Config::INPUT_WIDTH, Config::INPUT_HEIGHT, "输入文本:");
+    outputText = new Fl_Output(Config::OUTPUT_X, Config::OUTPUT_Y, 
+                              Config::OUTPUT_WIDTH, Config::OUTPUT_HEIGHT, "输出结果:");
+    conversionType = new Fl_Choice(Config::CHOICE_X, Config::CHOICE_Y, 
+                                  Config::CHOICE_WIDTH, Config::CHOICE_HEIGHT, "转换类型:");
+    convertButton = new Fl_Button(Config::BUTTON_X, Config::BUTTON_Y, 
+                                Config::BUTTON_WIDTH, Config::BUTTON_HEIGHT, "转换");
+
+    // 设置转换类型选项
+    conversionType->add("二进制");
+    conversionType->add("十六进制");
+    conversionType->add("ROT13");
+    conversionType->add("MD5");
+    conversionType->add("SHA1");
+    conversionType->add("SHA256");
+    conversionType->add("Base64");
+    conversionType->add("Base32");
+    conversionType->add("Ascii85");
+    conversionType->add("CRC32");
+    conversionType->value(0); // 默认选择二进制
+
+    // 设置按钮回调
+    convertButton->callback(ConvertCallback, this);
+
+    end(); // 结束窗口组件添加
+}
+
+MainWindow::~MainWindow() {
+    // 清理资源
+    delete inputText;
+    delete outputText;
+    delete conversionType;
+    delete convertButton;
+}
+
+void MainWindow::ConvertCallback(Fl_Widget* widget, void* data) {
+    MainWindow* window = static_cast<MainWindow*>(data);
+    window->ConvertText();
+}
+
+void MainWindow::ConvertText() {
+    const char* input = inputText->value();
+    if (!input || strlen(input) == 0) {
+        fl_alert("请输入要转换的文本");
+        return;
+    }
+
+    int type = conversionType->value();
+    auto converter = Utils::createConverter(type);
+    if (!converter) {
+        fl_alert("不支持的转换类型");
+        return;
+    }
+
+    std::string result = converter->convert(input);
+    outputText->value(result.c_str());
+}
diff --git a/others/C++/text converter/src/ROT13Converter.cpp b/others/C++/text converter/src/ROT13Converter.cpp
new file mode 100644
index 0000000..ebd9252
--- /dev/null
+++ b/others/C++/text converter/src/ROT13Converter.cpp	
@@ -0,0 +1,13 @@
+#include "../include/ROT13Converter.hpp"
+
+std::string ROT13Converter::convert(const std::string& input) {
+    std::string result;
+    for (char c : input) {
+        if (isalpha(c)) {
+            char base = isupper(c) ? 'A' : 'a';
+            c = (c - base + 13) % 26 + base;
+        }
+        result += c;
+    }
+    return result;
+}
diff --git a/others/C++/text converter/src/SHA1Converter.cpp b/others/C++/text converter/src/SHA1Converter.cpp
new file mode 100644
index 0000000..9ae55ee
--- /dev/null
+++ b/others/C++/text converter/src/SHA1Converter.cpp	
@@ -0,0 +1,23 @@
+#include "../include/SHA1Converter.hpp"
+#include <openssl/evp.h>
+#include <sstream>
+#include <iomanip>
+
+std::string SHA1Converter::convert(const std::string& input) {
+    EVP_MD_CTX* mdctx = EVP_MD_CTX_new();
+    const EVP_MD* md = EVP_sha1();
+    unsigned char digest[EVP_MAX_MD_SIZE];
+    unsigned int digest_len;
+
+    EVP_DigestInit_ex(mdctx, md, nullptr);
+    EVP_DigestUpdate(mdctx, input.c_str(), input.length());
+    EVP_DigestFinal_ex(mdctx, digest, &digest_len);
+    EVP_MD_CTX_free(mdctx);
+
+    std::stringstream ss;
+    for(unsigned int i = 0; i < digest_len; i++) {
+        ss << std::hex << std::setw(2) << std::setfill('0') << (int)digest[i];
+    }
+
+    return ss.str();
+}
\ No newline at end of file
diff --git a/others/C++/text converter/src/SHA256Converter.cpp b/others/C++/text converter/src/SHA256Converter.cpp
new file mode 100644
index 0000000..f963653
--- /dev/null
+++ b/others/C++/text converter/src/SHA256Converter.cpp	
@@ -0,0 +1,23 @@
+#include "../include/SHA256Converter.hpp"
+#include <openssl/evp.h>
+#include <sstream>
+#include <iomanip>
+
+std::string SHA256Converter::convert(const std::string& input) {
+    EVP_MD_CTX* mdctx = EVP_MD_CTX_new();
+    const EVP_MD* md = EVP_sha256();
+    unsigned char digest[EVP_MAX_MD_SIZE];
+    unsigned int digest_len;
+
+    EVP_DigestInit_ex(mdctx, md, nullptr);
+    EVP_DigestUpdate(mdctx, input.c_str(), input.length());
+    EVP_DigestFinal_ex(mdctx, digest, &digest_len);
+    EVP_MD_CTX_free(mdctx);
+
+    std::stringstream ss;
+    for(unsigned int i = 0; i < digest_len; i++) {
+        ss << std::hex << std::setw(2) << std::setfill('0') << (int)digest[i];
+    }
+
+    return ss.str();
+}
diff --git a/others/C++/text converter/src/Utils.cpp b/others/C++/text converter/src/Utils.cpp
new file mode 100644
index 0000000..a77739f
--- /dev/null
+++ b/others/C++/text converter/src/Utils.cpp	
@@ -0,0 +1,25 @@
+#include "../include/Utils.hpp"
+#include "../include/ROT13Converter.hpp"
+#include "../include/MD5Converter.hpp"
+#include "../include/SHA1Converter.hpp"
+#include "../include/SHA256Converter.hpp"
+#include "../include/Base64Converter.hpp"
+#include "../include/Base32Converter.hpp"
+#include "../include/Ascii85Converter.hpp"
+#include "../include/CRC32Converter.hpp"
+
+std::unique_ptr<Converter> Utils::createConverter(int type) {
+    switch (type) {
+        case 0: return std::unique_ptr<Converter>(new BinaryConverter());
+        case 1: return std::unique_ptr<Converter>(new HexConverter());
+        case 2: return std::unique_ptr<Converter>(new ROT13Converter());
+        case 3: return std::unique_ptr<Converter>(new MD5Converter());
+        case 4: return std::unique_ptr<Converter>(new SHA1Converter());
+        case 5: return std::unique_ptr<Converter>(new SHA256Converter());
+        case 6: return std::unique_ptr<Converter>(new Base64Converter());
+        case 7: return std::unique_ptr<Converter>(new Base32Converter());
+        case 8: return std::unique_ptr<Converter>(new Ascii85Converter());
+        case 9: return std::unique_ptr<Converter>(new CRC32Converter());
+        default: return nullptr;
+    }
+}