Detect character encoding using ICU
$ npm install detect-character-encoding
detect-character-encoding is a C++ addon. Therefore, you may need to install various build tools. Check node-gyp’s readme for more information.
const fs = require('fs');
const detectCharacterEncoding = require('detect-character-encoding');
const fileBuffer = fs.readFileSync('file.txt');
const charsetMatch = detectCharacterEncoding(fileBuffer);
console.log(charsetMatch);
// {
// encoding: 'UTF-8',
// confidence: 60
// }
detect-character-encoding may return null
if no charset matches.
- macOS Mojave and macOS High Sierra
- Ubuntu 20.04 and 18.04
- Debian 10 and 9
detect-character-encoding does not support 32-bit operating systems.
As listed in ICU’s user guide:
- UTF-8
- UTF-16BE
- UTF-16LE
- UTF-32BE
- UTF-32LE
- Shift_JIS
- ISO-2022-JP
- ISO-2022-CN
- ISO-2022-KR
- GB18030
- Big5
- EUC-JP
- EUC-KR
- ISO-8859-1
- ISO-8859-2
- ISO-8859-5
- ISO-8859-6
- ISO-8859-7
- ISO-8859-8
- ISO-8859-9
- windows-1250
- windows-1251
- windows-1252
- windows-1253
- windows-1254
- windows-1255
- windows-1256
- KOI8-R
- IBM420
- IBM424
detect-character-encoding is licensed under the BSD 2-clause license but includes third-party software under different licenses. See LICENSE.md
for the full license text.