Encode Unicode code points (U+XXXX) and UTF-16 glyphs into UTF-8 byte arrays.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Type Unicode text or U+1F680 code point.
Inspect exact UTF-8 byte sequence.
Copy hex array.
Most emojis require 4 bytes in UTF-8 (e.g. 🚀 is 0xF0 0x9F 0x9A 0x80).
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