| HTML Entity (dec) |  |
| HTML Entity (hex) |  |
| UTF-8 (hex) | 0xefbbbf / 0xef 0xbb 0xbf (3 bytes) |
| UTF-8 (dec) | 239, 187, 191 (3 bytes) |
| UTF-16-BE (hex) | 0xfeff / 0xfe 0xff (2 bytes) |
| UTF-16-BE (dec) | 254, 255 (2 bytes) |
| UTF-32-BE (hex) | 0xfeff / 0x00 0x00 0xfe 0xff (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 254, 255 (4 bytes) |
| C/C++/Java source code | "\ufeff" |
| Python source code | "\ufeff" |