unicode

Score any JavaScript grapheme segmenter against Unicode's official GraphemeBreakTest.txt. Find out which string splitters are wrong, and about what.

Catch Unicode NFC/NFD filename bugs at the filesystem boundary.

Emoji metadata, encoding for 3,953 emojis — TypeScript/Node.js library. Zero dependencies.

Symbol encoding in 11 formats, Unicode properties — TypeScript/Node.js library. Zero dependencies.

Typeset LaTeX math in Pi's TUI as multi-line Unicode art

Encode and decode Base64, URL, HTML, Hex, Unicode, and JWT tokens

Rejoins hard-wrapped PDF and plain-text lines, telling paragraph ends from soft wraps and hyphenated word splits

Convert Bijoy/SutonnyMJ Bangla spreadsheets to Unicode in the browser. Reads .xlsx and legacy .xls, keeps your formatting, and leaves English cells alone.

Bidirectional offset maps through text normalization: fold stage maps right to left, never guess at a seam

Convert Urdu Unicode text to legacy InPage format and back directly in the browser.

Map plain ASCII to Unicode font styles — bold, italic, script, fraktur, small caps, upside down. Zero dependencies, no DOM.

Measure terminal cell width from ground truth — probe the terminal, cache, then it's pure arithmetic. Drop-in for string-width / wrap-ansi / cli-truncate.

Dependency-free RTL and Unicode bidirectional-text toolkit for JavaScript and TypeScript.

miku-unicode-guard is a CLI tool that detects suspicious Unicode characters in Markdown and source files.

🧩 Fluent Emoji assets organized by Unicode code points / 按 Unicode 码位整理的 Fluent Emoji 资源

Pins decode, normalize, case fold and validate order for untrusted strings, and reports every input whose verdict flips

App-friendly emoji data, search helpers, and a hosted REST API backed by Unicode emoji data.

TANEBI（種火）— Goで実装した小さな決定論的プログラミング言語

Scripts to download the Unicode database from Unicode.org

Dependency-free Unicode utilities for Kurdish text