diff --git a/Html2Hamlet.hs b/Html2Hamlet.hs
new file mode 100644
--- /dev/null
+++ b/Html2Hamlet.hs
@@ -0,0 +1,125 @@
+{-# Language OverloadedStrings #-}
+{-# Language DeriveDataTypeable #-}
+
+module Main (main) where
+
+import Blaze.ByteString.Builder
+import Blaze.ByteString.Builder.Char.Utf8
+import Control.Applicative
+import Control.Monad
+import qualified Data.Ascii as A
+import Data.Char
+import Data.List
+import Data.Maybe
+import Data.Monoid
+import qualified Data.ByteString.Char8 as B
+import qualified Data.ByteString.Lazy.Char8 as BL
+import qualified Data.Text as T
+import Network
+import Network.HTTP.Enumerator
+import System.Console.CmdArgs
+import Text.XmlHtml
+import Text.XmlHtml.Cursor
+
+import qualified Paths_html2hamlet
+import Data.Version (showVersion)
+
+data Args =
+  Args
+  { files :: [String]
+  } deriving (Show, Data, Typeable)
+
+main :: IO ()
+main = do
+  Args files <- cmdArgs $ Args
+    { files = def &= args &= typ "FILES/URLS..."
+    } &=
+    help "HTML to Hamlet converter" &=
+    summary ("html2hamlet " ++
+             showVersion Paths_html2hamlet.version ++
+             " (c) Hideyuki Tanaka 2011")
+  
+  if null files
+    then do
+    con <- B.getContents
+    let dest = convert "stdin" con
+    B.length dest `seq` B.putStr dest
+    else do
+    forM_ files $ \file -> do
+      if any (`isPrefixOf` file) ["http://", "https://"]
+        then withSocketsDo $ do
+        let outfile = httpFileName file
+        con <- simpleHttp $ fromJust $ A.fromChars file
+        let dest = convert file $ B.concat $ BL.toChunks con
+        B.length dest `seq` B.writeFile outfile dest
+        else do
+        let outfile = changeSuffix file
+        con <- B.readFile file
+        let dest = convert file con
+        B.length dest `seq` B.writeFile outfile dest
+
+httpFileName :: String -> String
+httpFileName url = changeSuffix nsuf
+  where
+    nsuf | null suf = "index.html"
+         | otherwise = suf
+    suf = dropQuery $ dropFrag $ reverse $ takeWhile (/='/') $ reverse url
+    dropFrag = takeWhile (/='#')
+    dropQuery = takeWhile (/='?')
+
+changeSuffix :: String -> String
+changeSuffix file
+  | any (`isSuffixOf` file) [".html", ".htm"] =
+    (++"hamlet") $ reverse $ dropWhile (/='.') $ reverse file
+  | otherwise =          
+    file ++ ".hamlet"
+
+convert :: String -> B.ByteString -> B.ByteString
+convert fname content = toByteString $ cvt $ fromNodes nodes
+  where
+    Right (HtmlDocument enc typ nodes) = parseHTML fname content
+    
+    cvt = (fromString "!!!" `mappend`) .
+          (`mappend` fromString "\n") .
+          go 0
+    
+    go lev (Just cur) = slf `mappend` cld `mappend` bro
+      where
+        slf = single lev (current cur)
+        cld = go (lev+1) (firstChild cur)
+        bro = go lev (right cur)
+        
+    go lev Nothing =
+      mempty
+
+    single lev (TextNode txt)
+      | T.all isSpace txt = mempty
+      | otherwise =
+        fromString "\n" `mappend`
+        fromString (replicate (lev*2) ' ') `mappend`
+        fromText (sanitize txt)
+    single lev (Comment comment) = mempty
+    single lev (Element tag attrs _) =
+      fromString "\n" `mappend`
+      fromString (replicate (lev*2) ' ') `mappend`
+      fromString "<" `mappend`
+      fromText tag `mappend`
+      battr attrs `mappend`
+      fromString ">"
+    
+    battr attrs = mconcat $ map f attrs where
+      f ("id", val) =
+        fromString " #" `mappend`
+        fromText val
+      f ("class", val) =
+        fromString " ." `mappend`
+        fromText val
+      f (key, val) =
+        fromString " " `mappend`
+        fromText key `mappend`
+        fromString "=\"" `mappend`
+        fromText val `mappend`
+        fromString "\""
+
+    sanitize = T.dropWhile isSpace .
+               T.map (\c -> if c=='\n' then ' ' else c)
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c)2011, Hideyuki Tanaka
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Hideyuki Tanaka nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/html2hamlet.cabal b/html2hamlet.cabal
new file mode 100644
--- /dev/null
+++ b/html2hamlet.cabal
@@ -0,0 +1,33 @@
+Name:                html2hamlet
+Version:             0.1.0
+Synopsis:            HTML to Hamlet converter
+
+Description:         HTML to Hamlet converter
+
+License:             BSD3
+License-file:        LICENSE
+Homepage:            http://github.com/tanakh/html2hamlet
+Author:              Hideyuki Tanaka
+Maintainer:          tanaka.hideyuki@gmail.com
+Category:            Text
+Build-type:          Simple
+Cabal-version:       >=1.6
+
+Source-repository head
+  Type: git
+  Location: https://tanakh@github.com/tanakh/html2hamlet.git
+
+Executable html2hamlet
+  Main-is:             Html2Hamlet.hs
+  
+  Build-depends:       base >= 4 && < 5
+                     , bytestring >= 0.9 && < 0.10
+                     , text >= 0.11 && < 0.12
+                     , ascii >= 0.0 && < 0.1
+                     , blaze-builder >= 0.2 && < 0.3
+                     , hamlet >= 0.7 && < 0.8
+                     , xmlhtml >= 0.1 && < 0.2
+                     , cmdargs >= 0.6 && < 0.7
+                     , http-enumerator >= 0.4 && < 0.5
+                     , network >= 2.3 && < 2.4
+