Unicode Converter

Inspect any text character by character: code points, UTF-8 bytes, JavaScript escapes, HTML entities and CSS escapes.

100% Private — Runs entirely in browserInstant calculation & resultFree, no sign-up

Input

Encode Decode Prefer named entities (& over &)

Why inspect Unicode characters with ToolJiffy Unicode Converter?

Unicode is the global encoding standard covering over 149,000 characters, emojis, and symbols across all world languages. However, handling multi-byte UTF-8 sequences, UTF-16 surrogate pairs in JavaScript, hidden control characters, or diacritics often causes string length bugs and encoding corruption. ToolJiffy Unicode Converter inspects text character by character in your browser.

Character-by-Character Unicode Decomposition: Inspects individual code points (U+XXXX), character names, UTF-8 byte sequences, and surrogate pairs.
Multi-Language Code Escape Generation: Instant copyable escapes for JavaScript (\u{XXXX}), CSS (\XXXX), and HTML (&#xXXXX;).
Full Emoji & Supplementary Plane Support: Handles complex emojis, combining character sequences, and non-Latin scripts cleanly.
100% On-Device Browser Security: Text decomposition and code point analysis run 100% locally in browser memory.

Native JavaScript Unicode code point inspection engine

ToolJiffy's Unicode engine utilizes native ES6 String.prototype[Symbol.iterator] and codePointAt() methods running directly in browser memory. This guarantees accurate handling of 32-bit Unicode code points beyond the Basic Multilingual Plane (BMP).

Whether debugging invisible zero-width space characters, fixing string length calculation errors in web applications, or formatting CSS font icon escape codes, detailed character inspection resolves encoding issues fast.

Client-side security for private text input

Pasting international user input, system logs, or private communication text into online tools creates data privacy risks if text is sent to cloud servers.

ToolJiffy operates on a zero-cloud architecture. All text inspection runs 100% locally in your browser tab. Your text data never leaves your device.

Step-by-step guide to inspecting Unicode characters

Paste text string: Input any text, emoji sequence, or non-Latin string into the input field above.
Inspect character grid: View character glyphs, code points (U+XXXX), UTF-8 bytes, and escape sequences in the breakdown table.
Copy code escape: Click on your target JS, CSS, or HTML escape sequence to copy it to your clipboard.

Frequently asked questions

How does the Unicode Converter work in browser memory?

ToolJiffy inspects input text character by character using native JavaScript String code point iteration, outputting Unicode Code Points (`U+XXXX`), UTF-8 byte sequences, UTF-16 surrogate pairs, JavaScript escapes (`\\uXXXX`), HTML entities, and CSS escapes.

What Unicode information is displayed per character?

For each character in your text, ToolJiffy displays the Character Glyph, Unicode Name/Category, Code Point (U+HEX), UTF-8 Hex Bytes, UTF-16 Code Units, JS Escape Sequence, and HTML Entity.

Can I inspect emojis and non-Latin scripts (CJK, Arabic, Cyrillic)?

Yes! Full Unicode standard support covers emojis, mathematical symbols, combining diacritics, CJK characters, right-to-left scripts, and supplementary plane symbols (above U+FFFF).

Is my text uploaded to any external server during Unicode inspection?

No, 100% private. All character decomposition and code point parsing execute locally inside your browser memory. Your text never leaves your computer.

What is a UTF-16 surrogate pair?

Unicode code points above U+FFFF (such as emojis like 🚀 `U+1F680`) require two 16-bit code units (high and low surrogate) to represent in JavaScript string memory.

How do I copy JavaScript or CSS escape sequences for a character?

Click on any character`s row to copy JS escapes (`\\u{1F680}`), CSS escapes (`\\1F680`), or HTML numeric entities (`🚀`).

What is the difference between UTF-8, UTF-16, and UTF-32 encodings?

UTF-8 uses 1 to 4 bytes per code point (byte-efficient for ASCII). UTF-16 uses 2 or 4 bytes. UTF-32 uses fixed 4 bytes per code point.

Is ToolJiffy Unicode Converter free without limits?

Yes! ToolJiffy is 100% free with unlimited usages, zero account sign-ups, and zero watermarks.

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