diff --git a/PdfForQt.pro b/PdfForQt.pro
index 00ee9ae..45ab93e 100644
--- a/PdfForQt.pro
+++ b/PdfForQt.pro
@@ -31,3 +31,4 @@ PdfForQtViewer.depends = PdfForQtLib
 JBIG2_Viewer.depends = PdfForQtLib
 PDFExampleGenerator.depends = PdfForQtLib
 CodeGenerator.depends = PdfForQtLib
+PdfTool.depends = PdfForQtLib
diff --git a/PdfTool/PdfTool.pro b/PdfTool/PdfTool.pro
index 7213667..a78a7da 100644
--- a/PdfTool/PdfTool.pro
+++ b/PdfTool/PdfTool.pro
@@ -43,6 +43,7 @@ SOURCES += \
         pdfoutputformatter.cpp \
         pdftoolabstractapplication.cpp \
         pdftoolattachments.cpp \
+        pdftoolaudiobook.cpp \
         pdftoolfetchtext.cpp \
         pdftoolinfo.cpp \
         pdftoolinfojavascript.cpp \
@@ -66,6 +67,7 @@ HEADERS += \
     pdfoutputformatter.h \
     pdftoolabstractapplication.h \
     pdftoolattachments.h \
+    pdftoolaudiobook.h \
     pdftoolfetchtext.h \
     pdftoolinfo.h \
     pdftoolinfojavascript.h \
diff --git a/PdfTool/pdftoolabstractapplication.h b/PdfTool/pdftoolabstractapplication.h
index 49b8f89..b98f478 100644
--- a/PdfTool/pdftoolabstractapplication.h
+++ b/PdfTool/pdftoolabstractapplication.h
@@ -115,7 +115,9 @@ public:
         ErrorDocumentReading,
         ErrorInvalidArguments,
         ErrorFailedWriteToFile,
-        ErrorPermissions
+        ErrorPermissions,
+        ErrorCOM,
+        ErrorSAPI
     };
 
     enum StandardString
diff --git a/PdfTool/pdftoolaudiobook.cpp b/PdfTool/pdftoolaudiobook.cpp
new file mode 100644
index 0000000..7b5a965
--- /dev/null
+++ b/PdfTool/pdftoolaudiobook.cpp
@@ -0,0 +1,259 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of PdfForQt.
+//
+//    PdfForQt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    PdfForQt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDFForQt.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "pdftoolaudiobook.h"
+
+#ifdef Q_OS_WIN
+
+#include <sapi.h>
+//#include <sphelper.h>
+
+#pragma comment(lib, "ole32")
+
+namespace pdftool
+{
+
+static PDFToolAudioBook s_audioBookApplication;
+
+PDFVoiceInfo::PDFVoiceInfo(std::map<QString, QString> properties, ISpVoice* voice) :
+    m_properties(qMove(properties)),
+    m_voice(voice)
+{
+
+}
+
+PDFVoiceInfo::~PDFVoiceInfo()
+{
+    if (m_voice)
+    {
+        m_voice->Release();
+    }
+}
+
+QLocale PDFVoiceInfo::getLocale() const
+{
+    bool ok = false;
+    LCID locale = getLanguage().toInt(&ok, 16);
+
+    if (ok)
+    {
+        int count = GetLocaleInfoW(locale, LOCALE_SISO639LANGNAME, NULL, 0);
+        std::vector<wchar_t> localeString(count, wchar_t());
+        GetLocaleInfoW(locale, LOCALE_SISO639LANGNAME, localeString.data(), int(localeString.size()));
+        QString isoCode = QString::fromWCharArray(localeString.data());
+        return QLocale(isoCode);
+    }
+
+    return QLocale();
+}
+
+QString PDFVoiceInfo::getStringValue(QString key) const
+{
+    auto it = m_properties.find(key);
+    if (it != m_properties.cend())
+    {
+        return it->second;
+    }
+
+    return QString();
+}
+
+QString PDFToolAudioBook::getStandardString(StandardString standardString) const
+{
+    switch (standardString)
+    {
+        case Command:
+            return "audio-book";
+
+        case Name:
+            return PDFToolTranslationContext::tr("Audio book convertor");
+
+        case Description:
+            return PDFToolTranslationContext::tr("Convert your document to a simple audio book.");
+
+        default:
+            Q_ASSERT(false);
+            break;
+    }
+
+    return QString();
+}
+
+int PDFToolAudioBook::execute(const PDFToolOptions& options)
+{
+    if (!SUCCEEDED(::CoInitializeEx(nullptr, COINIT_MULTITHREADED | COINIT_SPEED_OVER_MEMORY)))
+    {
+        return ErrorCOM;
+    }
+
+    int returnCode = showVoiceList(options);
+
+    ::CoUninitialize();
+
+    return returnCode;
+}
+
+PDFToolAbstractApplication::Options PDFToolAudioBook::getOptionsFlags() const
+{
+    return ConsoleFormat | OpenDocument | PageSelector | TextAnalysis;
+}
+
+int PDFToolAudioBook::fillVoices(const PDFToolOptions& options, PDFVoiceInfoList& list, bool fillVoicePointers)
+{
+    int result = ExitSuccess;
+
+    ISpObjectTokenCategory* category = nullptr;
+    if (!SUCCEEDED(::CoCreateInstance(CLSID_SpObjectTokenCategory, NULL, CLSCTX_ALL, __uuidof(ISpObjectTokenCategory), (LPVOID*)&category)))
+    {
+        PDFConsole::writeError(PDFToolTranslationContext::tr("SAPI Error: Cannot enumerate SAPI voices."), options.outputCodec);
+        return ErrorSAPI;
+    }
+
+    if (!SUCCEEDED(category->SetId(SPCAT_VOICES, FALSE)))
+    {
+        PDFConsole::writeError(PDFToolTranslationContext::tr("SAPI Error: Cannot enumerate SAPI voices."), options.outputCodec);
+        return ErrorSAPI;
+    }
+
+    IEnumSpObjectTokens* enumTokensObject = nullptr;
+    if (SUCCEEDED(category->EnumTokens(NULL, NULL, &enumTokensObject)))
+    {
+        ISpObjectToken* token = nullptr;
+        while (SUCCEEDED(enumTokensObject->Next(1, &token, NULL)))
+        {
+            if (token)
+            {
+                /* Attributes can be for example:
+                 *    Version,
+                 *    Language,
+                 *    Gender,
+                 *    Age,
+                 *    Name
+                 *    Vendor */
+
+                std::map<QString, QString> properties;
+
+                ISpDataKey* attributes = nullptr;
+                if (SUCCEEDED(token->OpenKey(L"Attributes", &attributes)))
+                {
+                    for (ULONG i = 0; ; ++i)
+                    {
+                        LPWSTR valueName = NULL;
+                        if (SUCCEEDED(attributes->EnumValues(i, &valueName)))
+                        {
+                            LPWSTR data = NULL;
+                            if (SUCCEEDED(attributes->GetStringValue(valueName, &data)))
+                            {
+                                QString propertyName = QString::fromWCharArray(valueName);
+                                QString propertyValue = QString::fromWCharArray(data);
+                                if (!propertyValue.isEmpty())
+                                {
+                                    properties[propertyName] = propertyValue;
+                                }
+                                ::CoTaskMemFree(data);
+                            }
+
+                            ::CoTaskMemFree(valueName);
+                        }
+                        else
+                        {
+                            break;
+                        }
+                    }
+                    attributes->Release();
+                }
+
+                ISpVoice* voice = nullptr;
+                if (fillVoicePointers)
+                {
+                    token->QueryInterface(__uuidof(ISpVoice), (void**)&voice);
+                }
+
+                list.emplace_back(qMove(properties), voice);
+
+                token->Release();
+            }
+            else
+            {
+                break;
+            }
+        }
+    }
+    else
+    {
+        PDFConsole::writeError(PDFToolTranslationContext::tr("SAPI Error: Cannot enumerate SAPI voices."), options.outputCodec);
+        result = ErrorSAPI;
+    }
+
+    if (enumTokensObject)
+    {
+        enumTokensObject->Release();
+    }
+
+    if (category)
+    {
+        category->Release();
+    }
+
+    return result;
+}
+
+int PDFToolAudioBook::showVoiceList(const PDFToolOptions& options)
+{
+    PDFVoiceInfoList voices;
+    int result = fillVoices(options, voices, false);
+
+    PDFOutputFormatter formatter(options.outputStyle, options.outputCodec);
+    formatter.beginDocument("voices", PDFToolTranslationContext::tr("Available voices for given settings:"));
+    formatter.endl();
+
+    formatter.beginTable("voices", PDFToolTranslationContext::tr("Voice list"));
+
+    formatter.beginTableHeaderRow("header");
+    formatter.writeTableHeaderColumn("name", PDFToolTranslationContext::tr("Name"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("gender", PDFToolTranslationContext::tr("Gender"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("age", PDFToolTranslationContext::tr("Age"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("language", PDFToolTranslationContext::tr("Language"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("locale", PDFToolTranslationContext::tr("Locale"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("vendor", PDFToolTranslationContext::tr("Vendor"), Qt::AlignLeft);
+    formatter.writeTableHeaderColumn("version", PDFToolTranslationContext::tr("Version"), Qt::AlignLeft);
+    formatter.endTableHeaderRow();
+
+    for (const PDFVoiceInfo& voice : voices)
+    {
+        formatter.beginTableRow("voice");
+        formatter.writeTableHeaderColumn("name", voice.getName(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("gender", voice.getGender(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("age", voice.getAge(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("language", voice.getLanguage(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("locale", voice.getLocale().name(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("vendor", voice.getVendor(), Qt::AlignLeft);
+        formatter.writeTableHeaderColumn("version", voice.getVersion(), Qt::AlignLeft);
+        formatter.endTableRow();
+    }
+
+    formatter.endTable();
+
+    formatter.endDocument();
+    PDFConsole::writeText(formatter.getString(), options.outputCodec);
+
+    return result;
+}
+
+}   // namespace pdftool
+
+#endif
diff --git a/PdfTool/pdftoolaudiobook.h b/PdfTool/pdftoolaudiobook.h
new file mode 100644
index 0000000..5e5b336
--- /dev/null
+++ b/PdfTool/pdftoolaudiobook.h
@@ -0,0 +1,77 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of PdfForQt.
+//
+//    PdfForQt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    PdfForQt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDFForQt.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFTOOLAUDIOBOOK_H
+#define PDFTOOLAUDIOBOOK_H
+
+#include "pdftoolabstractapplication.h"
+
+#ifdef Q_OS_WIN
+
+struct ISpVoice;
+
+namespace pdftool
+{
+
+class PDFVoiceInfo
+{
+public:
+    PDFVoiceInfo() = default;
+    PDFVoiceInfo(std::map<QString, QString> properties, ISpVoice* voice);
+
+    PDFVoiceInfo(const PDFVoiceInfo&) = delete;
+    PDFVoiceInfo(PDFVoiceInfo&&) = default;
+    PDFVoiceInfo& operator=(const PDFVoiceInfo&) = delete;
+    PDFVoiceInfo& operator=(PDFVoiceInfo&&) = default;
+
+    ~PDFVoiceInfo();
+
+    QString getName() const { return getStringValue("Name"); }
+    QString getGender() const { return getStringValue("Gender"); }
+    QString getAge() const { return getStringValue("Age"); }
+    QString getVendor() const { return getStringValue("Vendor"); }
+    QString getLanguage() const { return getStringValue("Language"); }
+    QString getVersion() const { return getStringValue("Version"); }
+    QLocale getLocale() const;
+
+    QString getStringValue(QString key) const;
+    ISpVoice* getVoice() const { return m_voice; }
+
+private:
+    std::map<QString, QString> m_properties;
+    ISpVoice* m_voice = nullptr;
+};
+
+using PDFVoiceInfoList = std::vector<PDFVoiceInfo>;
+
+class PDFToolAudioBook : public PDFToolAbstractApplication
+{
+public:
+    virtual QString getStandardString(StandardString standardString) const override;
+    virtual int execute(const PDFToolOptions& options) override;
+    virtual Options getOptionsFlags() const override;
+
+private:
+    int fillVoices(const PDFToolOptions& options, PDFVoiceInfoList& list, bool fillVoicePointers);
+    int showVoiceList(const PDFToolOptions& options);
+};
+
+}   // namespace pdftool
+
+#endif
+
+#endif // PDFTOOLAUDIOBOOK_H