
Unicode,全称为Unicode标准(The Unicode Standard),其官方机构Unicode联盟所用的中文名称为统一码,又译作万国码、统一字符码、统一字符编码,是信息技术领域的一种字符编码标准,其整理了世界上大部分的文字系统,使得电脑能以通用划一的字符集来字符编码以及处理和显示文字,不但减轻在不同字符编码间切换和转换的困扰,更提供了一种跨平台的乱码问题解决方案。Unicode由非营利机构Unicode联盟(Unicode Consortium)负责维护,该机构致力让Unicode标准取代编码空间有限、不适用于多语言环境的既有字符编码方案。
Unicode伴随着通用字符集ISO/IEC 10646的标准而发展,同时也以书本的形式对外发表。Unicode至今仍在不断增修,每个新版本都加入更多新的字符。目前最新的版本为2025年9月公布的17.0.0,已经收录159,801个字符(第十万个字符在2005年获采纳)。Unicode标准不仅仅只是为文字指定代码。除了涵盖视觉上的字形、编码方法、标准的字符编码资料外,联盟官方出版品还包含了关于各书写系统的细节及呈现方式,如规范化的准则、拆分、测序、绘制、双向文本显示、书写方向、字符特性(如大小写字母)等等。此外还提供参考资料和视觉图像,以帮助开发者和设计师正确应用标准。
Unicode备受认可,为ISO纳入国际标准,成为通用字符集,即 ISO/IEC 10646。Unicode兼容ISO/IEC 10646,能完整对应各个版本标准。Unicode广泛应用于电脑软件的国际化与本地化过程。很多新科技,如可扩展置标语言(Extensible Markup Language,简称:XML)、Java编程语言以及现代操作系统,都采用Unicode来编码。Unicode最普遍的编码格式是和ASCII兼容的UTF-8,以及UTF-16。
Unicode Consortium Powers Our Digital World
Time zone conversion. Alphabetical sorting. Metric vs. imperial. Scientific notation. Bidirectional text. Currency exchange. Local calendar formats. Emoji searchability of aflaminku, સુરખાબ, fenicottero, and 홍학 🦩.
What began in 1988 as a standard for character encoding has grown into a powerful portfolio of open source standards, code, tools, libraries, and products that ensure global language support, interoperability, and resiliency across billions of devices.
Behind what most take for granted on screens today is the Unicode Consortium, the non- profit open source, open standards body for the internationalization of software and services. Unicode is embedded in every major operating system and used on more than 20 billion devices worldwide. It may be the most widely deployed technology ever.
🔧 Unicode Is Essential to the Global Tech Stack.
Today’s digital economy spans the globe. A traveler books a flight in Swahili. A payment system processes addresses in Hindi. Commerce engines, databases, and websites support names, currencies, and text in hundreds of languages—from English to Japanese —thanks to Unicode. It provides the foundation for internationalization and the architecture for localization.
🚀 Unicode Accelerates Time to Market.
Building software and services with Unicode by design powers global-ready software and services. Organizations using Unicode libraries and architecture reduce development time and scale faster. What once took months or years to support new languages and locales now takes days. Unicode ensures users around the world can access digital content in their native scripts in ways they expect.
💰 Unicode Reduces Engineering Costs.
Millions of hours have been invested by top engineers, academics, linguists, and program managers from around the world to build, maintain, and grow Unicode. By contributing and collaborating, their organizations avoid duplicating effort – and deliver better experiences for end users.
🌍 Unicode is a Force Multiplier for Digital Inclusion.
Through its Digitally Disadvantaged Languages, Keyboards, and Adopt-a-Character initiatives, Unicode empowers communities to bring under-resourced languages online, fostering inclusion and participation in the digital world.
📈 Unicode Makes a Difference – Because We Work Together.
As a non-profit, Unicode relies on its members, donors, and volunteers to expand and support this essential global public utility for your organization – and the greater good. Learn how you can contribute at home.unicode.org or contact us at [email protected].
Unicode Consortium Quick Facts
- Global public utility
- Founded in 1988, incorporated in 1991
- Public benefit, 501(c)3 non-profit organization
- Open source standards, data, and joint software development
- Orchestrates the contributions of 100s of professionals, expert volunteers, and language experts
- Supported by organizational members across corporate, academic, and governmental institutions
- Funded by membership and donations
Core Operating Principles
- Local solutions require global collaboration
- Interoperability across platforms serves you – and the greater good
- Transparency and open source ensure: Reliability — Security — Stability
- Localization respects and empowers users
We Invite You to Get Involved!
- Join us at the 3rd Annual Unicode Technology Workshop from November 11-13, 2025
- Check Out the Technical Quick Start Guide
- Follow Us on YouTube and LinkedIn
- Become a Member
- Adopt-a-Character
- Donate Now
- Sign Up for the Latest News and Updates
- Have an Idea for an Emoji? Submit a Proposal! (Open from April-July)
- Thank our Members for their Support and Contributions!
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关于Unicode 通用字符集 (UCS)特别声明
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