Universal Unicode to Text Converter
Decode Unicode codepoints, HTML entities, escape sequences, and raw hex byte arrays into clean, readable plain text and emojis in real time. 100% private, client-side decoding with astral plane reconstruction.
| # | Glyph | Hex Codepoint | Decimal | HTML Entity | UTF-8 Bytes | Unicode Plane |
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Unicode Architecture & Codepoint Reference Guide
Traditional JavaScript string operations relied on String.fromCharCode(), which is fundamentally limited to 16-bit code units (up to 0xFFFF, the Basic Multilingual Plane or BMP). When dealing with emojis or mathematical symbols situated in the Supplementary Multilingual Plane (SMP, Plane 1) such as 🚀 (U+1F680), standard 16-bit methods split them into two broken surrogate halves (0xD83D and 0xDE80).
This utility uses modern ECMAScript String.fromCodePoint(), which handles full 21-bit Unicode codepoints from 0x0000 up to 0x10FFFF natively. It dynamically reassembles UTF-16 surrogate pairs into single, unfragmented astral glyphs.
Unicode Codepoint (U+XXXX): The abstract integer assigned to a specific character across all computing platforms (e.g., U+0048 for 'H', U+1F600 for '😀').
UTF-8 Byte Sequence: A variable-width binary encoding format (1 to 4 bytes per character) used for transmitting and storing Unicode data efficiently on the web. For example, U+1F680 is encoded as 4 bytes: 0xF0 0x9F 0x9A 0x80.
HTML Entities (Numeric & Named): Web escape sequences formatted as decimal 🚀 or hexadecimal 🚀 that web browsers parse into raw characters when rendering HTML documents without encoding conflicts.
When raw hexadecimal byte arrays are supplied (e.g., 0xE2 0x9C 0x93 or \xE2\x9C\x93), decoding them as individual 8-bit character codes produces mojibake (corrupted characters like ✓). Our parser converts hex strings into an unsigned 8-bit byte array (Uint8Array) and pipes it through the browser's native TextDecoder('utf-8') stream. This correctly validates byte continuation markers and delivers authentic Unicode text like ✓.
Zero external transmissions. Every decoding calculation, regular expression analysis, codepoint extraction, and file export is executed 100% locally within your web browser using client-side JavaScript. No text, tokens, API keys, or files are ever sent to RiazHub.com or third-party servers.