diff --git a/README.md b/README.md
index eb33ba6..fb9896a 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
-# NML-JavaScript
-NML to HTML/PlainText for JavaScript by @kawakawaritsuki 
+# NML-Converter
 
-NMLをいろいろと変換するためのnpmパッケージ。
+## How to build
 
-このリンクから試せます。
-http://writerlighter.github.io/NML-JavaScript/
+```
+$ npm install nml-converter
+$ browserify main.js -o bundle.js
+```
diff --git a/bundle.js b/bundle.js
index d29c491..200544a 100644
--- a/bundle.js
+++ b/bundle.js
@@ -1,5 +1,5 @@
 (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-NML = require("./out/nml")
+NML = require('nml-converter')
 
 window.convert = function() {
 
@@ -106,7 +106,7 @@ $(function(){
   });
 });
 
-},{"./out/nml":2}],2:[function(require,module,exports){
+},{"nml-converter":2}],2:[function(require,module,exports){
 (function() {
   module.exports = this.NML = (function() {
     var checkBlockquotes, checkBold, checkItalic, checkLine, checkLink, checkNewPage, checkNextLine, checkPunctuationNumber, checkPunctuationSymbol, checkReturn, checkRuby, checkSharp, checkSpace, checkStrikethrough, mode, multi_line, multi_line_mode;
diff --git a/gulpfile.coffee b/gulpfile.coffee
deleted file mode 100644
index d18d80c..0000000
--- a/gulpfile.coffee
+++ /dev/null
@@ -1,19 +0,0 @@
-gulp = require('gulp')
-coffee = require('gulp-coffee')
-plumber    = require 'gulp-plumber'
-concat     = require 'gulp-concat'
-watch      = require 'gulp-watch'
-notify     = require 'gulp-notify'
-
-gulp.task 'nml', ->
-  gulp.src 'src/*.coffee'
-    .pipe(plumber())
-    .pipe(coffee())
-    .pipe(concat('nml.js'))
-    .pipe(gulp.dest('out'))
-    .pipe notify 'nml.js done!!!', {onLast: true}
-
-gulp.task 'watch', ['default'], ->
-  watch(['src/*.coffee'], (e)-> gulp.start 'nml')
-
-gulp.task 'default', ['nml']
diff --git a/main.js b/main.js
index 240af87..554cc26 100644
--- a/main.js
+++ b/main.js
@@ -1,4 +1,4 @@
-NML = require("./out/nml")
+NML = require('nml-converter')
 
 window.convert = function() {
 
diff --git a/src/nml.coffee b/src/nml.coffee
deleted file mode 100644
index ad0a389..0000000
--- a/src/nml.coffee
+++ /dev/null
@@ -1,213 +0,0 @@
-module.exports = class @NML
-
-  mode = 0
-  # mode
-  # 1:html
-  # 2:plain
-  multi_line = ""
-  multi_line_mode = 0
-  # mode
-  # 0:not multi line
-  # 1:html
-  # 2:plain
-
-  constructor: (@text) ->
-
-  to: (t) ->
-    switch t
-      when "html"
-        mode = 1
-        s = ''
-        body = @text.split('\n')
-        body.forEach (@text) ->
-          s = s + checkLine(@text) + '\n'
-        return '<div class="page"><div>' + s + '</div></div>'
-      when "plain"
-        mode = 2
-        s = ''
-        body = @text.split('\n')
-        body.forEach (@text) ->
-          s = s + checkLine(@text) + '\n'
-        return s
-      else
-        "Error!"
-
-  checkLine = (line) ->
-    line = checkSpace(line)
-    line = checkReturn(line)
-    line = checkRuby(line)
-    line = checkNewPage(line)
-    line = checkSharp(line)
-    line = checkStrikethrough(line)
-    line = checkItalic(line)
-    line = checkBold(line)
-    line = checkBlockquotes(line)
-    line = checkLink(line)
-    line = checkPunctuationNumber(line)
-    line = checkPunctuationSymbol(line)
-    line = checkNextLine(line)
-    line
-
-  #形式段落
-  checkSpace = (line) ->
-    if line.match(/^[ \s]/)
-      if mode is 1
-        line = '<p>' + line + '</p>'
-    line
-
-  #意味段落
-  checkReturn = (line) ->
-    if line is ''
-      if mode is 1
-        line = '</div><div>'
-    line
-
-  #ルビ
-  checkRuby = (line) ->
-    myRe = /[\||].*?[\((].*?[\))]/g
-    myArray = undefined
-    while (myArray = myRe.exec(line)) != null
-      text = myArray[0]
-      if mode is 1
-        moji = text.match(/[\||].*?[\((]/)[0]
-        moji = moji.substring(1, moji.length - 1)
-        ruby = text.match(/[\((].*?[\))]/)[0]
-        ruby = ruby.substring(1, ruby.length - 1)
-        line = line.replace(text, '<ruby>' + moji + '<rt>' + ruby + '</rt></ruby>')
-      else
-        moji = text.match(/[\||].*?[\((]/)[0]
-        moji = moji.substring(1, moji.length - 1)
-        line = line.replace(text, moji)
-    line
-
-  #改ページ
-  checkNewPage = (line) ->
-    if line.match(/^[-ーis]{3,}$/)
-      if mode is 1
-        line = '</div></div><div class="page"><div>'
-      else if mode is 2
-        line = ''
-    line
-
-  #見出し
-  checkSharp = (line) ->
-    if mode is 1
-      md = undefined
-      if (md = line.match(/^[##]*/)[0]) != ''
-        count = if md.length > 6 then 6 else md.length
-        line = line.replace(/^[##]*/, '')
-        line = '<h' + count + '>' + line + '</h' + count + '>'
-    else if mode is 2
-      line = line.replace(/^[##]*/, '')
-    line
-
-  #打ち消し線
-  checkStrikethrough = (line) ->
-    myRe = /[\~〜]{2}.*?[\~〜]{2}/g
-    myArray = undefined
-    while (myArray = myRe.exec(line)) != null
-      text = myArray[0]
-      if mode is 1
-        line = line.replace(text, '<s>' + text.substring(2, text.length - 2) + '</s>')
-      else if mode is 2
-        line = line.replace(text, text.substring(2, text.length - 2))
-    line
-
-  #斜体
-
-  checkItalic = (line) ->
-    myRe = /[\__**]{1}.*?[\__**]{1}/g
-    myArray = undefined
-    while (myArray = myRe.exec(line)) != null
-      text = myArray[0]
-      if mode is 1
-        if !text.match(/^[\__**]{2}$/)
-          line = line.replace(text, '<i>' + text.substring(1, text.length - 1) + '</i>')
-      else if mode is 2
-        if !text.match(/^[\__**]{2}$/)
-          line = line.replace(text, text.substring(1, text.length - 1))
-    line
-
-  #太字
-  checkBold = (line) ->
-    myRe = /[\__**]{2}.*?[\__**]{2}/g
-    myArray = undefined
-    while (myArray = myRe.exec(line)) != null
-      text = myArray[0]
-      if mode is 1
-        line = line.replace(text, '<b>' + text.substring(2, text.length - 2) + '</b>')
-      else if mode is 2
-        line = line.replace(text, text.substring(2, text.length - 2))
-    line
-
-  #引用
-  checkBlockquotes = (line) ->
-    if line.match(/^[>>]/)
-      if mode is 1
-        line = '<blockquote>' + line.substring(1) + '</blockquote>'
-    line
-
-  #リンク/画像
-  checkLink = (line) ->
-    myRe = /[!!]*\[.*?\][\((].*?[\))]/g
-    myArray = undefined
-    while (myArray = myRe.exec(line)) != null
-      text = myArray[0]
-      if text.match(/[!!]{1,}\[.*?\][\((].*?[\))]/)
-        if mode is 1
-          if text.match(/\".*\"/)
-            linkText = line.match(/\[.*?\]/)[0]
-            url = line.match(/[\((].*?[\"]/)[0].replace(RegExp(' ', 'g'), '')
-            name = line.match(/[\"].*?[\"]/)[0]
-            linkText = linkText.substring(1, linkText.length - 1)
-            url = url.substring(1, url.length - 1)
-            name = name.substring(1, name.length - 1)
-            line = line.replace(text, '<img src="' + url + '" alt="' + linkText + '" title="' + name + '"/>')
-          else
-            linkText = line.match(/\[.*?\]/)[0]
-            url = line.match(/[\((].*?[\))]/)[0].replace(RegExp(' ', 'g'), '')
-            linkText = linkText.substring(1, linkText.length - 1)
-            url = url.substring(1, url.length - 1)
-            line = line.replace(text, '<img src="' + url + '" alt="' + linkText + '"/>')
-        else if mode is 2
-          line = line.replace(text, "")
-
-      else
-        if mode is 1
-          if text.match(/\".*\"/)
-            linkText = line.match(/\[.*?\]/)[0]
-            url = line.match(/[\((].*?[\"]/)[0].replace(RegExp(' ', 'g'), '')
-            name = line.match(/[\"].*?[\"]/)[0]
-            linkText = linkText.substring(1, linkText.length - 1)
-            url = url.substring(1, url.length - 1)
-            name = name.substring(1, name.length - 1)
-            line = line.replace(text, '<a href="' + url + '" title="' + name + '">' + linkText + '</a>')
-          else
-            linkText = line.match(/\[.*?\]/)[0]
-            url = line.match(/[\((].*?[\))]/)[0].replace(RegExp(' ', 'g'), '')
-            linkText = linkText.substring(1, linkText.length - 1)
-            url = url.substring(1, url.length - 1)
-            line = line.replace(text, '<a href="' + url + '">' + linkText + '</a>')
-        else if mode is 2
-          line = line.replace(text, "")
-    line
-
-  #数字区切り
-  checkPunctuationNumber = (line) ->
-    if line.match(/^[0-9]+\.$/)
-      if mode is 1
-        line = '<hr class="number"/>'
-    line
-
-  #記号区切り
-  checkPunctuationSymbol = (line) ->
-    if line.match(/^[-*ー*]+\.$/)
-      if mode is 1
-        line = '<hr class="symbol"/>'
-    line
-
-  #改行
-  checkNextLine = (line) ->
-    if line.match(/[ \s]{3,}$/)
-      line = line + "<br/>"
-    line