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Universal encoding detector. This library is faster than chardet.

Project description


cChardet is high speed universal character encoding detector. - binding to charsetdetect.

PyPI version Travis Ci build status AppVeyor build status

Support codecs

  • Big5
  • EUC-JP
  • EUC-KR
  • GB18030
  • HZ-GB-2312
  • IBM855
  • IBM866
  • ISO-2022-CN
  • ISO-2022-JP
  • ISO-2022-KR
  • ISO-8859-2
  • ISO-8859-5
  • ISO-8859-7
  • ISO-8859-8
  • KOI8-R
  • Shift_JIS
  • TIS-620
  • UTF-8
  • UTF-16BE
  • UTF-16LE
  • UTF-32BE
  • UTF-32LE
  • WINDOWS-1250
  • WINDOWS-1251
  • WINDOWS-1252
  • WINDOWS-1253
  • WINDOWS-1255
  • EUC-TW
  • X-ISO-10646-UCS-4-2143
  • X-ISO-10646-UCS-4-3412
  • x-mac-cyrillic



# -*- coding: utf-8 -*-
import cchardet as chardet
with open(r"src/tests/testdata/wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt", "rb") as f:
    msg =
    result = chardet.detect(msg)


$ cd src/
$ pip install chardet
$ python tests/


CPU: Intel(R) Core(TM) i3-4170 CPU @ 3.70GHz

RAM: DDR3 1600Mhz 16GB

Platform: Ubuntu 16.04 amd64

Python 2.7.12
  Request (call/s)
chardet 0.26
cchardet 1408.73
Python 3.5.2
  Request (call/s)
chardet 0.28
cchardet 1380.40


  • The MIT License: src/cchardet
  • Other Libraries License: Please, look at the src/ext directory.




1.1.0 (2016-10-17)

  • Add Detector class
  • Improve unit tests

Project details

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