| HTML Entity (dec) | 😁 |
| HTML Entity (hex) | 😁 |
| UTF-8 (hex) | 0xf09f9881 / 0xf0 0x9f 0x98 0x81 (4 bytes) |
| UTF-8 (dec) | 240, 159, 152, 129 (4 bytes) |
| UTF-16-BE (hex) | 0xd83dde01 / 0xd8 0x3d 0xde 0x01 (4 bytes) |
| UTF-16-BE (dec) | 216, 61, 222, 1 (4 bytes) |
| UTF-32-BE (hex) | 0x1f601 / 0x00 0x01 0xf6 0x01 (4 bytes) |
| UTF-32-BE (dec) | 0, 1, 246, 1 (4 bytes) |
| C/C++/Java source code | "\u1f601" |
| Python source code | "\u1f601" |