Master digital text encoding with the browser-based Universal Text to Unicode Converter & Character Codepoint Inspector. Instantly translate plain text to U+Hex codepoints, UTF-8/16/32 byte matrices, HTML decimal/hex entities, and CSS/JS escape sequences. Features bidirectional decoding, astral plane surrogate pair safety, real-time KPI character diagnostics, and 100% private client-side processing on RiazHub.com.
Universal Text to Unicode & Character Code Inspector Suite
Convert plain text to Unicode codepoints, UTF-8/16/32 byte matrices, HTML entities, and CSS/JS escape sequences with real-time bidirectional decoding and surrogate pair analysis.
Unicode Architecture, Encoding Standards & Codepoints Reference
Unicode is the global computing standard for consistent encoding, representation, and handling of text across virtually all writing systems, mathematical notations, and emojis. Unicode assigns each character a unique numerical identifier called a Codepoint, written conventionally as U+XXXX (where XXXX is a 4-to-6 digit hexadecimal number).
The Unicode codespace is divided into 17 Planes (numbered 0 to 16), providing a total capacity of 1,114,112 codepoints (U+0000 through U+10FFFF):
- Plane 0: Basic Multilingual Plane (BMP) (
U+0000toU+FFFF) — Contains characters for almost all modern languages (Latin, Arabic, Hebrew, Cyrillic, Greek, Devanagari, CJK Unified Ideographs). - Plane 1: Supplementary Multilingual Plane (SMP) (
U+10000toU+1FFFF) — Contains modern emoji pictographs (🚀U+1F680), mathematical symbols, musical notations, and ancient historic scripts (e.g., Egyptian Hieroglyphs, Linear B). - Plane 2: Supplementary Ideographic Plane (SIP) (
U+20000toU+2FFFF) — Contains rare and historical CJK Unified Ideographs. - Planes 14-16: Special Purpose & Private Use Areas (PUA) — Reserved for tags, variation selectors, and custom font symbols.
A Unicode Codepoint is an abstract numerical value, whereas an Encoding specifies how that number is represented as concrete binary bytes in memory or over a network:
- UTF-8: A variable-width byte encoding (1 to 4 bytes per character). ASCII characters (0-127) take exactly 1 byte (100% backward compatible). Latin extended and Arabic take 2 bytes, Asian CJK glyphs take 3 bytes, and modern emojis take 4 bytes. It is the dominant encoding of the World Wide Web (>98% of all websites).
- UTF-16: Encodes characters using 1 or 2 16-bit code units. Characters in the BMP (
U+0000toU+FFFF) take 2 bytes. Characters in astral planes (> U+FFFF) are split into a Surrogate Pair (High Surrogate + Low Surrogate), taking 4 bytes total. - UTF-32: A fixed-width 4-byte (32-bit) encoding where every single codepoint occupies exactly 4 bytes (e.g.,
0x0001F680). While simple to index, it uses significantly more memory.
Legacy JavaScript functions like String.fromCharCode() and str.charCodeAt() operate on 16-bit code units (UTF-16). When processing astral plane characters such as the rocket emoji 🚀 (U+1F680), legacy functions slice the character into two broken halves: High Surrogate 0xD83D and Low Surrogate 0xDE80.
This suite uses modern ES6+ iterators [...string], str.codePointAt(), and String.fromCodePoint(), guaranteeing 100% precision with zero glyph corruption or broken surrogate pairs.
100% Client-Side Privacy: All text conversions, character decomposition, matrix computations, and file exports occur entirely within your browser's local JavaScript execution engine. Zero bytes of your text, credentials, emojis, or code snippets are ever transmitted to an external server.