diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb588bf..015ffd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,6 +51,15 @@ option(TEXCONV_USE_SINGLEPROC "Use -singleproc" OFF)
 option(TEXCONV_USE_TGA20 "Use -tga20 " OFF)
 option(TEXCONV_USE_TEXASSEMBLE "Use texassemble as a dll function" OFF)
 
+if(NOT WIN32)
+  set(TEXCONV_USE_WIC OFF)
+  set(TEXCONV_USE_PPM OFF)
+  set(TEXCONV_USE_FLIP OFF)
+  set(TEXCONV_USE_MULTIPLE_FILES OFF)
+  set(TEXCONV_NO_GPU_CODEC OFF)
+  set(TEXCONV_USE_TIMING OFF)
+endif()
+
 # show variables
 function(texconv_show_variables)
 
diff --git a/TexconvDLL/texassemble.cpp b/TexconvDLL/texassemble.cpp
index 8af7548..2c996a7 100644
--- a/TexconvDLL/texassemble.cpp
+++ b/TexconvDLL/texassemble.cpp
@@ -852,7 +852,7 @@ namespace
         #endif
             L"\n"
             L"                       (cube, volume, array, cubearray, merge only)\n"
-            L"   -stripmips          Use only base image from input dds files\n"
+            L"   -stripmips          Use only base image from input dds files\n";
 
         wprintf(L"%ls", s_usage);
 
diff --git a/batch_files/build_texassemble.bat b/batch_files/build_texassemble.bat
index 1cc0558..cc03f7d 100644
--- a/batch_files/build_texassemble.bat
+++ b/batch_files/build_texassemble.bat
@@ -16,6 +16,7 @@ cmake -G "%VS_VERSION%"^
  -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded^
  -D TEXCONV_BUILD_AS_EXE=ON^
  -D TEXCONV_USE_USAGE=ON^
+ -D TEXCONV_USE_3D=ON^
  -D TEXCONV_USE_TEXASSEMBLE=ON^
  ../
 
diff --git a/docs/Build-on-Unix.md b/docs/Build-on-Unix.md
index a9ac3dd..00d9fab 100644
--- a/docs/Build-on-Unix.md
+++ b/docs/Build-on-Unix.md
@@ -13,6 +13,7 @@ But it might not work on your environment.
 
 -   Ubuntu 20.04 + GCC 9.4
 -   MacOS 10.15 + AppleClang 12.0
+-   MacOS 11 + AppleClang 13.0
 
 ## 0. Requirements
 
@@ -39,8 +40,13 @@ You can build `libtexconv.so` (or `libtexconv.dylib`) with a shell script.
 Move to `Texconv-Custom-DLL/shell_scripts` and type `bash build.sh` on the terminal.  
 `libtexconv.so` (or `libtexconv.dylib`) will be generated in `./Texconv-Custom-DLL/`.  
 
-## 4. Build executable
+## 4. Build executable (optional)
 
 If you want an executable, use `build_as_exe.sh` instead of `build.sh`.  
 `texconv` will be generated in `./Texconv-Custom-DLL/`.  
 You can use it on the terminal. (e.g. `./texconv -ft tga -y -o outdir test.dds`)  
+
+## 5. Build texassemble (optional)
+
+If you want to build texassemble as an executable, use `build_texassemble.sh` instead of `build.sh`.  
+If you want to use texassemble as a dll function, use `build_dds_full_support.sh` instead of `build.sh`.  
diff --git a/docs/Build-on-Windows.md b/docs/Build-on-Windows.md
index f3eb217..bd9ed17 100644
--- a/docs/Build-on-Windows.md
+++ b/docs/Build-on-Windows.md
@@ -10,7 +10,7 @@ Move to `./Texconv-Custom-DLL` and type `git submodule update --init --recursive
 It'll download DirectXTex to the repository.  
 (`git submodule update --init --recursive` will work as well, but it'll download unnecessary repositories for Windows.)  
 
-## 2-a. Build .dll with Batch Files
+## 2-a. Build .dll with batch files
 
 You can build texconv.dll with batch files.  
 Move to `./Texconv-Custom-DLL/batch_files` and type `build.bat` on the command prompt.  
@@ -22,8 +22,13 @@ Of course, you can build the dll with Visual Studio.
 Open `./Texconv-Custom-DLL` with Visual Studio and load CMakeLists.txt.  
 Then, you can build texconv.dll.  
 
-## 3. Build executable
+## 3. Build executable (optional)
 
 If you want an executable, use `build_as_exe.bat` instead of `build.bat`.  
 `texconv.exe` will be generated in `./Texconv-Custom-DLL/`.  
 You can use it on the command prompt. (e.g. `texconv.exe -ft tga -y -o outdir test.dds`)  
+
+## 4. Build texassemble (optional)
+
+If you want to build texassemble as an executable, use `build_texassemble.bat` instead of `build.bat`.  
+If you want to use texassemble as a dll function, use `build_dds_full_support.bat` instead of `build.bat`.  
diff --git a/docs/CMake-Options.md b/docs/CMake-Options.md
index 66e7e4d..5bf0ecf 100644
--- a/docs/CMake-Options.md
+++ b/docs/CMake-Options.md
@@ -7,45 +7,45 @@ If you enable all options, the dll will be almost the same size as the original
 
 ## exe options
 
--   `TEXCONV_BUILD_AS_EXE`: Build Texconv as .exe
--   `TEXCONV_USE_ICON_FOR_EXE`: Use `directx.ico` when TEXCONV_BUILD_AS_EXE is ON
+-   `TEXCONV_BUILD_AS_EXE`: Build Texconv as .exe.
+-   `TEXCONV_USE_ICON_FOR_EXE`: Use `directx.ico` when `TEXCONV_BUILD_AS_EXE` is ON.
 
 ## format options
 
--   `TEXCONV_USE_WIC`: Enable to use WIC-supported format (bmp, jpg, png, jxr, etc.)
--   `TEXCONV_USE_PPM`: Enable to use .ppm and .pfm
+-   `TEXCONV_USE_WIC`: Enable to use WIC-supported formats (bmp, jpg, png, etc.) (Only available for Windows)
+-   `TEXCONV_USE_PPM`: Enable to use ppm and pfm formats (Only available for Windows)
 -   `TEXCONV_USE_PLANAR`: Enable to use planar dds formats
 -   `TEXCONV_USE_3D`: Enable to use 3D textures
 -   `TEXCONV_USE_LEGACY`: Enable to use legacy dds formats
--   `TEXCONV_USE_16BPP`: Enable to use 16bpp format (B5G6R5, B5G5R5A1, B4G4R4A4)
+-   `TEXCONV_USE_16BPP`: Enable to use 16bpp formats (B5G6R5, B5G5R5A1, B4G4R4A4)
 
 ## Printing options
 
--   `TEXCONV_USE_LOGO`: Enable to use PrintLogo()
--   `TEXCONV_USE_USAGE`: Enable to use -help
--   `TEXCONV_USE_PRINT_INFO`: Enable to use PrintInfo() and PrintFormat()
--   `TEXCONV_USE_TIMING`: Enable to use -timing
+-   `TEXCONV_USE_LOGO`: Enable to use `PrintLogo()`
+-   `TEXCONV_USE_USAGE`: Enable to use `-help` (Only available for Windows)
+-   `TEXCONV_USE_PRINT_INFO`: Enable to use `PrintInfo()` and `PrintFormat()`
+-   `TEXCONV_USE_TIMING`: Enable to use `-timing` (Only available for Windows)
 
 ## Other options
 
--   `TEXCONV_USE_FLIP`: Enable to use -hflip and -vflip
--   `TEXCONV_USE_SWIZZLE`: Enable to use -swizzle
--   `TEXCONV_USE_ROTATE_COLOR`: Enable to use -rotatecolor
--   `TEXCONV_USE_COLORKEY`: Enable to use -c
--   `TEXCONV_USE_ALPHA_CONFIG`: Enable to use -pmalpha, -alpha, -keepcoverage, -aw, and -at
--   `TEXCONV_USE_ADDRESSING`: Enable to use -wrap and -mirror
--   `TEXCONV_USE_TONEMAP`: Enable to use -tonemap
--   `TEXCONV_USE_MULTIPLE_FILES`: Enable to use -r and -flist
--   `TEXCONV_USE_NMAP_CONFIG`: Enable to use -nmap and -nmapamp
--   `TEXCONV_USE_MINOR_DDS_CONFIG`: Enable to use -tu, -tf, -dword, -badtails, -fixbc4x4, -xlum, -dx10, and -dx9
--   `TEXCONV_USE_FEATURE_LEVEL`: Enable to use -fl
--   `TEXCONV_USE_BC_CONFIG`: Enable to use -bc
--   `TEXCONV_USE_SRGB`: Enable to use -srgb, -srgbi, and -srgbo
--   `TEXCONV_USE_NAME_CONFIG`: Enable to use -px, -sx, and -l
--   `TEXCONV_USE_DITHER`: Enable to use dither filters
--   `TEXCONV_NO_GPU_CODEC`: Disable GPU codec for BC6 and BC7
--   `TEXCONV_USE_GPU_CONFIG`: Enable to use -gpu and -nogpu
--   `TEXCONV_USE_X2BIAS`: Enable to use -x2bias
--   `TEXCONV_USE_SINGLEPROC`: Enable to use -singleproc
--   `TEXCONV_USE_TGA20`: Enable to use -tga20
+-   `TEXCONV_USE_FLIP`: Enable to use `-hflip` and `-vflip` (Only available for Windows)
+-   `TEXCONV_USE_SWIZZLE`: Enable to use `-swizzle`
+-   `TEXCONV_USE_ROTATE_COLOR`: Enable to use `-rotatecolor`
+-   `TEXCONV_USE_COLORKEY`: Enable to use `-c`
+-   `TEXCONV_USE_ALPHA_CONFIG`: Enable to use `-pmalpha`, `-alpha`, `-keepcoverage`, `-aw`, and `-at`
+-   `TEXCONV_USE_ADDRESSING`: Enable to use `-wrap` and `-mirror`
+-   `TEXCONV_USE_TONEMAP`: Enable to use `-tonemap`
+-   `TEXCONV_USE_MULTIPLE_FILES`: Enable to use `-r` and `-flist` (Only available for Windows)
+-   `TEXCONV_USE_NMAP_CONFIG`: Enable to use -nmap and `-nmapamp`
+-   `TEXCONV_USE_MINOR_DDS_CONFIG`: Enable to use `-tu`, `-tf`, `-dword`, `-badtails`, `-fixbc4x4`, `-xlum`, `-dx10`, and `-dx9`
+-   `TEXCONV_USE_FEATURE_LEVEL`: Enable to use `-fl`
+-   `TEXCONV_USE_BC_CONFIG`: Enable to use `-bc`
+-   `TEXCONV_USE_SRGB`: Enable to use `-srgb`, `-srgbi`, and `-srgbo`
+-   `TEXCONV_USE_NAME_CONFIG`: Enable to use `-px`, `-sx`, and `-l`
+-   `TEXCONV_USE_DITHER`: Enable to use dither filters for `-if` option
+-   `TEXCONV_NO_GPU_CODEC`: Disable GPU codec for BC6 and BC7 (Only available for Windows)
+-   `TEXCONV_USE_GPU_CONFIG`: Enable to use `-gpu` and `-nogpu`
+-   `TEXCONV_USE_X2BIAS`: Enable to use `-x2bias`
+-   `TEXCONV_USE_SINGLEPROC`: Enable to use `-singleproc`
+-   `TEXCONV_USE_TGA20`: Enable to use `-tga20`
 -   `TEXCONV_USE_TEXASSEMBLE`: Enable to use texassemble as a DLL function
diff --git a/docs/README.md b/docs/README.md
index ab99852..605771d 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -39,6 +39,7 @@ If you want to restore them, you need to use [cmake options](./CMake-Options.md)
 You can add some features by [cmake options](./CMake-Options.md).
 -   Disable GPU codec (`TEXCONV_NO_GPU_CODEC`)
 -   Enable to use [texassemble](https://github.com/microsoft/DirectXTex/wiki/Texassemble) as a DLL function (`TEXCONV_USE_TEXASSEMBLE`)
+-   Enable to build [texassemble](https://github.com/microsoft/DirectXTex/wiki/Texassemble) as an executable (`TEXCONV_USE_TEXASSEMBLE` and `TEXCONV_BUILD_AS_EXE`)
 
 ## Platform
 
@@ -50,13 +51,14 @@ But the custom build supports the following platforms and compilers.
 -   Ubuntu 20.04 (or later) + GCC
 
 ## Download
+
 You can download the built binary from [the release page](https://github.com/matyalatte/Texconv-Custom-DLL/releases).  
 
 -   `TexconvCustomDLL*-Windows.zip` is for Windows.
 -   `TexconvCustomDLL*-macOS.tar.bz2` is for Mac (10.15 or later).
 -   `TexconvCustomDLL*-Linux.tar.bz2` is for Ubuntu (20.04 or later).
 
-Each zip file has a DLL and a executable.  
+Each zip file has a DLL and an executable.  
 You can copy whichever you want to use to your project.  
 (The execuatble won't refer the DLL.)  
 
diff --git a/docs/Usage.md b/docs/Usage.md
index b3d4185..4b670b4 100644
--- a/docs/Usage.md
+++ b/docs/Usage.md
@@ -54,6 +54,10 @@ And 1 means failed to convert.
 
 You can use [texassemble](https://github.com/microsoft/DirectXTex/wiki/Texassemble) if you built the dll with `TEXCONV_USE_TEXASSEMBLE` option.
 
+> **Warning**  
+> This function is not included in the released builds.  
+> You need to build it by yourself if you want to use.  
+
 ```c++
 int texassemble(int argc, wchar_t* argv[], bool verbose = true,
             bool init_com = false,
diff --git a/shell_scripts/build_texassemble.sh b/shell_scripts/build_texassemble.sh
index 03701b2..3c9273d 100644
--- a/shell_scripts/build_texassemble.sh
+++ b/shell_scripts/build_texassemble.sh
@@ -12,6 +12,7 @@ cmake \
   -D CMAKE_POSITION_INDEPENDENT_CODE=ON\
   -D TEXCONV_BUILD_AS_EXE=ON\
   -D TEXCONV_USE_USAGE=ON\
+  -D TEXCONV_USE_3D=ON\
   -D TEXCONV_USE_TEXASSEMBLE=ON\
   ../
 cmake --build .