Unicode and Emoji

What is Unicode?

The foundation of digital text representation

Unicode is an international encoding standard that allows computers to consistently represent and manipulate text from any writing system in the world. Before Unicode, there were hundreds of different encoding systems for assigning numeric values to characters, which led to conflicts and inconsistencies when data was transferred between different computers or languages.

Unicode solves this problem by assigning a unique numeric value (code point) to each character, regardless of platform, program, or language. This ensures that text data can be transferred between systems without corruption.

The Unicode standard is maintained by the Unicode Consortium, a non-profit organization that includes members from major technology companies like Apple, Google, Microsoft, and Adobe.

Emojis in Unicode

How emojis became part of the standard

Emojis were first incorporated into Unicode in version 6.0, released in October 2010. This inclusion was a significant step in making emojis universally available across different platforms and devices.

In Unicode, each emoji is assigned a specific code point or a sequence of code points. For example, the "Grinning Face" emoji (😀) is represented by the code point U+1F600.

Since their initial inclusion, the number of emojis in Unicode has grown substantially with each new version. The Unicode Consortium regularly reviews and approves new emoji proposals, ensuring that the standard evolves to meet changing communication needs.

Unicode Versions and Emoji Additions

Key milestones in emoji standardization