diff --git a/pdflib/pdf2txt.py b/pdflib/converter.py
old mode 100755
new mode 100644
similarity index 83%
rename from pdflib/pdf2txt.py
rename to pdflib/converter.py
index a0d1d55..678dec6
--- a/pdflib/pdf2txt.py
+++ b/pdflib/converter.py
@@ -1,13 +1,8 @@
 #!/usr/bin/env python
-import sys
 from pdfdevice import PDFDevice
 from pdffont import PDFUnicodeNotDefined
 from layout import LayoutContainer, LTPage, LTText, LTLine, LTRect, LTFigure, LTTextBox
 from utils import mult_matrix, translate_matrix, enc
-from pdfparser import PDFDocument, PDFParser
-from pdfinterp import PDFResourceManager, PDFPageInterpreter, process_pdf
-from cmap import CMapDB
-
 
 
 ##  PDFPageAggregator
@@ -322,73 +317,3 @@ class TextConverter(PDFConverter):
     render(page)
     self.outfp.write('\f')
     return
-
-  def close(self):
-    return
-
-
-# main
-def main(argv):
-  import getopt
-  def usage():
-    print 'usage: %s [-d] [-p pagenos] [-P password] [-c codec] [-w] [-t text|html|sgml|tag] [-o output] file ...' % argv[0]
-    return 100
-  try:
-    (opts, args) = getopt.getopt(argv[1:], 'dp:P:c:T:t:o:C:D:m:w')
-  except getopt.GetoptError:
-    return usage()
-  if not args: return usage()
-  # debug option
-  debug = 0
-  # path option
-  cmapdir = 'CMap'
-  cdbcmapdir = 'CDBCMap'
-  # input option
-  password = ''
-  pagenos = set()
-  maxpages = 0
-  # output option
-  outtype = 'html'
-  codec = 'utf-8'
-  outfp = sys.stdout
-  cluster_margin = None
-  pageno = 1
-  scale = 1
-  showpageno = True
-  for (k, v) in opts:
-    if k == '-d': debug += 1
-    elif k == '-C': cmapdir = v
-    elif k == '-D': cdbcmapdir = v
-    elif k == '-P': password = v
-    elif k == '-p': pagenos.update( int(x)-1 for x in v.split(',') )
-    elif k == '-m': maxpages = int(v)
-    elif k == '-t': outtype = v
-    elif k == '-c': codec = v
-    elif k == '-o': outfp = file(v, 'wb')
-    elif k == '-s': scale = float(v)
-    elif k == '-T': cluster_margin = float(v)
-  #
-  CMapDB.debug = debug
-  PDFResourceManager.debug = debug
-  PDFDocument.debug = debug
-  PDFParser.debug = debug
-  PDFPageInterpreter.debug = debug
-  #
-  CMapDB.initialize(cmapdir, cdbcmapdir)
-  rsrc = PDFResourceManager()
-  if outtype == 'sgml':
-    device = SGMLConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin)
-  elif outtype == 'html':
-    device = HTMLConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin, scale=scale)
-  elif outtype == 'text':
-    device = TextConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin)
-  elif outtype == 'tag':
-    device = TagExtractor(rsrc, outfp, codec=codec)
-  else:
-    return usage()
-  for fname in args:
-    process_pdf(rsrc, device, fname, pagenos, maxpages=maxpages, password=password)
-  device.close()
-  return
-
-if __name__ == '__main__': sys.exit(main(sys.argv))
diff --git a/samples/Makefile b/samples/Makefile
index e6091aa..08be431 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -1,8 +1,9 @@
 # GNUMakefile for test
 
 PYTHON=python
+CMAPDIR=../CMap
 CDBCMAPDIR=../CDBCMap
-PDF2TXT=$(PYTHON) ../pdflib/pdf2txt.py
+PDF2TXT=PYTHONPATH=.. $(PYTHON) ../tools/pdf2txt.py -C$(CMAPDIR) -D$(CDBCMAPDIR)
 
 HTMLS= \
 	simple1.html \
@@ -20,6 +21,10 @@ all: $(HTMLS)
 clean:
 	-rm $(HTMLS)
 
-.SUFFIXES: .pdf .html
+.SUFFIXES: .pdf .html .sgml .txt
 .pdf.html:
-	$(PDF2TXT) -D$(CDBCMAPDIR) -o $@ $<
+	$(PDF2TXT) -t html -o $@ $<
+.pdf.sgml:
+	$(PDF2TXT) -t sgml -o $@ $<
+.pdf.txt:
+	$(PDF2TXT) -t text -o $@ $<
diff --git a/tools/dumppdf.py b/tools/dumppdf.py
index 34802e6..a3396ad 100755
--- a/tools/dumppdf.py
+++ b/tools/dumppdf.py
@@ -9,8 +9,6 @@
 import sys, re
 from pdflib.pdfparser import PDFDocument, PDFParser
 from pdflib.pdftypes import PDFStream, PDFObjRef, PSKeyword, PSLiteral, resolve1
-stdout = sys.stdout
-stderr = sys.stderr
 
 
 ESC_PAT = re.compile(r'[\000-\037&<>()\042\047\134\177-\377]')
@@ -163,7 +161,7 @@ def main(argv):
   password = ''
   dumpall = False
   proc = dumppdf
-  outfp = stdout
+  outfp = sys.stdout
   for (k, v) in opts:
     if k == '-d': debug += 1
     elif k == '-i': objids.extend( int(x) for x in v.split(',') )
diff --git a/tools/pdf2txt.py b/tools/pdf2txt.py
new file mode 100755
index 0000000..4adb809
--- /dev/null
+++ b/tools/pdf2txt.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+import sys
+from pdflib.pdfparser import PDFDocument, PDFParser
+from pdflib.pdfinterp import PDFResourceManager, PDFPageInterpreter, process_pdf
+from pdflib.converter import SGMLConverter, HTMLConverter, TextConverter, TagExtractor
+from pdflib.cmap import CMapDB
+
+# main
+def main(argv):
+  import getopt
+  def usage():
+    print 'usage: %s [-d] [-p pagenos] [-P password] [-c codec] [-w] [-t text|html|sgml|tag] [-o output] file ...' % argv[0]
+    return 100
+  try:
+    (opts, args) = getopt.getopt(argv[1:], 'dp:P:c:T:t:o:C:D:m:w')
+  except getopt.GetoptError:
+    return usage()
+  if not args: return usage()
+  # debug option
+  debug = 0
+  # path option
+  cmapdir = 'CMap'
+  cdbcmapdir = 'CDBCMap'
+  # input option
+  password = ''
+  pagenos = set()
+  maxpages = 0
+  # output option
+  outtype = 'html'
+  codec = 'utf-8'
+  outfp = sys.stdout
+  cluster_margin = None
+  pageno = 1
+  scale = 1
+  showpageno = True
+  for (k, v) in opts:
+    if k == '-d': debug += 1
+    elif k == '-C': cmapdir = v
+    elif k == '-D': cdbcmapdir = v
+    elif k == '-P': password = v
+    elif k == '-p': pagenos.update( int(x)-1 for x in v.split(',') )
+    elif k == '-m': maxpages = int(v)
+    elif k == '-t': outtype = v
+    elif k == '-c': codec = v
+    elif k == '-o': outfp = file(v, 'wb')
+    elif k == '-s': scale = float(v)
+    elif k == '-T': cluster_margin = float(v)
+  #
+  CMapDB.debug = debug
+  PDFResourceManager.debug = debug
+  PDFDocument.debug = debug
+  PDFParser.debug = debug
+  PDFPageInterpreter.debug = debug
+  #
+  CMapDB.initialize(cmapdir, cdbcmapdir)
+  rsrc = PDFResourceManager()
+  if outtype == 'sgml':
+    device = SGMLConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin)
+  elif outtype == 'html':
+    device = HTMLConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin, scale=scale)
+  elif outtype == 'text':
+    device = TextConverter(rsrc, outfp, codec=codec, cluster_margin=cluster_margin)
+  elif outtype == 'tag':
+    device = TagExtractor(rsrc, outfp, codec=codec)
+  else:
+    return usage()
+  for fname in args:
+    process_pdf(rsrc, device, fname, pagenos, maxpages=maxpages, password=password)
+  device.close()
+  return
+
+if __name__ == '__main__': sys.exit(main(sys.argv))