https://symbolfyi.com/guides/unicode-collation-sorting/
Unicode Collation: How to Sort Text Correctly Across Languages — SymbolFYI
Feb 24, 2026 - Master Unicode collation — the Unicode Collation Algorithm, locale-aware sorting in JavaScript and Python, PostgreSQL ICU collations, and common pitfalls.
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https://symbolfyi.com/guides/category/unicode-deep-dive/
Unicode Deep Dive — Guides — SymbolFYI
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https://symbolfyi.com/symbol/cross-mark/
❌ Cross Mark — Unicode Symbol Info — SymbolFYI
Copy ❌ Cross Mark (274C). HTML entity, CSS, JavaScript, Python encodings. Unicode Dingbats.
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https://symbolfyi.com/symbol/quotation-mark/
" Quotation Mark — Unicode Symbol Info — SymbolFYI
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https://symbolfyi.com/ar/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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Keyboard Mastery — Guide Series — SymbolFYI
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https://symbolfyi.com/privacy/
Privacy Policy — SymbolFYI
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https://symbolfyi.com/guides/unicode-lookup-guide/
How to Use the SymbolFYI Unicode Lookup Tool — SymbolFYI
Feb 24, 2026 - A guide to SymbolFYI's Unicode Lookup — enter a U+ codepoint to see the character's name, block, script, and full encoding details.
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https://symbolfyi.com/category/brackets/
【 Brackets & Braces — Unicode Symbols — SymbolFYI
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https://symbolfyi.com/guides/series/encoding-survival-guide/
Encoding Survival Guide — Guide Series — SymbolFYI
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https://symbolfyi.com/guides/grapheme-clusters-explained/
Grapheme Clusters: Why String Length Is More Complicated Than You Think — SymbolFYI
Feb 24, 2026 - Understand grapheme clusters — why 'café' can be 4 or 5 code points, why emoji have .length 2+ in JavaScript, and how to count what users actually see.
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https://symbolfyi.com/zh-hans/
Symbol & Character Reference — SymbolFYI
复制粘贴 Unicode 符号,附带 HTML、CSS、JavaScript 编码。按分类浏览 5,000 多个精选符号。
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https://symbolfyi.com/symbol/yen-sign/
¥ Yen Sign — Unicode Symbol Info — SymbolFYI
Copy ¥ Yen Sign (00A5). HTML entity, CSS, JavaScript, Python encodings. Unicode Latin-1 Supplement.
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https://symbolfyi.com/symbol/dollar-sign/
$ Dollar Sign — Unicode Symbol Info — SymbolFYI
Copy $ Dollar Sign (0024). HTML entity, CSS, JavaScript, Python encodings. Unicode Basic Latin.
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https://symbolfyi.com/pt/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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https://symbolfyi.com/symbol/registered-sign/
® Registered Sign — Unicode Symbol Info — SymbolFYI
Copy ® Registered Sign (00AE). HTML entity, CSS, JavaScript, Python encodings. Unicode Latin-1 Supplement.
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https://symbolfyi.com/guides/unicode-cjk-unification/
CJK Unification: How Unicode Handles Chinese, Japanese, and Korean — SymbolFYI
Feb 24, 2026 - Learn about Han Unification in Unicode — how shared CJK ideographs are unified, the controversy it creates, and how language tags affect rendering.
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https://symbolfyi.com/guides/?category=reference
Guides — Symbol & Unicode Articles — SymbolFYI
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https://symbolfyi.com/guides/diacritical-marks-guide/
Diacritical Marks: Understanding Accents, Umlauts, and Combining Characters — SymbolFYI
Feb 24, 2026 - A complete guide to diacritical marks in Unicode — precomposed vs combining characters, normalization, typing accented letters, and handling diacritics in code.
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https://symbolfyi.com/symbol/trade-mark-sign/
™ Trade Mark Sign — Unicode Symbol Info — SymbolFYI
Copy ™ Trade Mark Sign (2122). HTML entity, CSS, JavaScript, Python encodings. Unicode Letterlike Symbols.
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https://symbolfyi.com/zh-hans/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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https://symbolfyi.com/symbol/check-mark/
✓ Check Mark — Unicode Symbol Info — SymbolFYI
Copy ✓ Check Mark (2713). HTML entity, CSS, JavaScript, Python encodings. Unicode Dingbats.
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https://symbolfyi.com/guides/mathematical-symbols-unicode/
Mathematical Symbols in Unicode: A Complete Reference — SymbolFYI
Feb 24, 2026 - The definitive reference for mathematical symbols in Unicode — operators, Greek letters, set theory, logic, arrows, and where to find them by block.
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https://symbolfyi.com/guides/history-of-typography-marks/
The History of Typography Marks: From Gutenberg to Unicode — SymbolFYI
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https://symbolfyi.com/guides/html-entity-finder-guide/
How to Use the SymbolFYI HTML Entity Finder — SymbolFYI
Feb 24, 2026 - A guide to SymbolFYI's HTML Entity Finder — search for HTML entities by name, character, or code point, with copy-ready entity codes for your web projects.
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https://symbolfyi.com/guides/unicode-what-is-unicode/
What Is Unicode? The Universal Character Standard Explained — SymbolFYI
Feb 24, 2026 - Learn what Unicode is, why it was created, and how it assigns a unique code point to every character in every writing system.
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https://symbolfyi.com/symbol/infinity/
∞ Infinity — Unicode Symbol Info — SymbolFYI
Copy ∞ Infinity (221E). HTML entity, CSS, JavaScript, Python encodings. Unicode Mathematical Operators.
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https://symbolfyi.com/glossary/emoji/
Emoji: Definition & Examples — SymbolFYI
Pictographic symbols defined in Unicode, originally from Japanese mobile phones, now a universal visual communication system.
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https://symbolfyi.com/guides/multiplication-vs-letter-x/
Multiplication Sign (×) vs Letter X: Spot the Difference — SymbolFYI
Feb 24, 2026 - Distinguish the multiplication sign (×, U+00D7) from lowercase x and uppercase X — visual comparison, Unicode properties, and proper usage in math.
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https://symbolfyi.com/category/crosses/
✗ Crosses & X Marks — Unicode Symbols — SymbolFYI
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♠ Chess & Cards — Unicode Symbols — SymbolFYI
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https://symbolfyi.com/developers/
Developer Documentation — SymbolFYI
Free REST API for Comprehensive symbol and special character reference for developers and designers. 4,947 symbols with Unicode data, encoding in 11 formats...
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https://symbolfyi.com/guides/what-is-a-code-point/
What Is a Code Point? Understanding Unicode's U+ Notation — SymbolFYI
Feb 24, 2026 - Learn what Unicode code points are — the U+ notation system, how code points differ from characters and glyphs, and how to find any character's code point.
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https://symbolfyi.com/collection/all-arrows/
All Arrow Symbols — Symbol Collection — SymbolFYI
Complete collection of arrow characters Copy-paste all arrow symbols from SymbolFYI.
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https://symbolfyi.com/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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https://symbolfyi.com/category/technical/
⌘ Technical — Unicode Symbols — SymbolFYI
Technical and computing symbols Browse and copy 395 Technical symbols.
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https://symbolfyi.com/symbol/left-parenthesis/
( Left Parenthesis — Unicode Symbol Info — SymbolFYI
Copy ( Left Parenthesis (0028). HTML entity, CSS, JavaScript, Python encodings. Unicode Basic Latin.
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https://symbolfyi.com/tr/
Symbol & Character Reference — SymbolFYI
HTML, CSS, JavaScript kodlamalarıyla Unicode sembollerini kopyalayıp yapıştırın. 5.000'den fazla seçkin sembolü kategoriye göre gözatın.
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https://symbolfyi.com/guides/soft-hyphen-line-breaking/
Soft Hyphen: Controlling Line Breaks in Web Typography — SymbolFYI
Feb 24, 2026 - Master the soft hyphen (U+00AD) — how it controls word breaking in HTML, CSS hyphens property, browser behavior differences, and when to use vs CSS.
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https://symbolfyi.com/symbol/black-heart-suit/
♥ Black Heart Suit — Unicode Symbol Info — SymbolFYI
Copy ♥ Black Heart Suit (2665). HTML entity, CSS, JavaScript, Python encodings. Unicode Miscellaneous Symbols.
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https://symbolfyi.com/collection/math-operators/
Math Operators — Symbol Collection — SymbolFYI
Mathematical operators and equation symbols Copy-paste math operators from SymbolFYI.
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https://symbolfyi.com/symbol/plus-minus-sign/
± Plus-Minus Sign — Unicode Symbol Info — SymbolFYI
Copy ± Plus-Minus Sign (00B1). HTML entity, CSS, JavaScript, Python encodings. Unicode Latin-1 Supplement.
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https://symbolfyi.com/glossary/?category=accessibility
Unicode & Typography Glossary — Key Terms — SymbolFYI
Unicode, encoding, and typography terms explained for developers. 84 terms across 7 categories.
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https://symbolfyi.com/category/circles/
● Circles & Dots — Unicode Symbols — SymbolFYI
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https://symbolfyi.com/category/arrows/
→ Arrows — Unicode Symbols — SymbolFYI
Arrow symbols pointing in all directions Browse and copy 509 Arrows symbols.
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https://symbolfyi.com/guides/?category=web-development
Guides — Symbol & Unicode Articles — SymbolFYI
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https://symbolfyi.com/guides/punycode-idn-guide/
Punycode and IDN: How Unicode Domain Names Work — SymbolFYI
Feb 24, 2026 - How Internationalized Domain Names work — Punycode encoding, IDNA 2003 vs 2008, homograph attacks, and implementing IDN support in your applications.
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https://symbolfyi.com/guides/tofu-missing-glyphs/
Tofu: Why Characters Show as Empty Rectangles and How to Fix It — SymbolFYI
Feb 24, 2026 - Understand tofu — the empty rectangle that appears when your font can't display a character. Learn causes, diagnosis, and font fallback solutions.
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https://symbolfyi.com/category/keyboard/
⌨ Keyboard — Unicode Symbols — SymbolFYI
Keyboard key symbols and modifiers Browse and copy 3 Keyboard symbols.
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https://symbolfyi.com/guides/bullet-vs-middle-dot/
Bullet (•) vs Middle Dot (·): Small Dots, Big Differences — SymbolFYI
Feb 24, 2026 - Compare the bullet (•), middle dot (·), and other dot-like characters — proper usage in lists, navigation separators, and interpuncts.
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https://symbolfyi.com/collection/popular/
Most Popular Symbols — Symbol Collection — SymbolFYI
The 100 most searched and copied symbols Copy-paste most popular symbols from SymbolFYI.
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https://symbolfyi.com/collection/currency-signs/
Currency Signs — Symbol Collection — SymbolFYI
Currency symbols from every country Copy-paste currency signs from SymbolFYI.
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https://symbolfyi.com/guides/ellipsis-vs-three-dots/
Ellipsis (…) vs Three Dots (...): One Character or Three? — SymbolFYI
Feb 24, 2026 - Compare the Unicode ellipsis character (…) with three period characters (...) — typographic differences, CSS text-overflow, and when each is appropriate.
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https://symbolfyi.com/guides/series/symbols-for-developers/
Symbols for Developers — Guide Series — SymbolFYI
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https://symbolfyi.com/tools/symbol-encoder/
Free Symbol Encoder — HTML, CSS, Unicode Formats — SymbolFYI
Encode symbols to HTML entity, CSS escape, JavaScript, URL, UTF-8 hex, Base64. Grid of 30+ common symbols. Copy ready. Free.
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https://symbolfyi.com/symbol/ampersand/
& Ampersand — Unicode Symbol Info — SymbolFYI
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https://symbolfyi.com/guides/type-special-characters-linux/
How to Type Special Characters on Linux: Compose Key and Unicode Input — SymbolFYI
Feb 24, 2026 - Type special characters on Linux — Compose key sequences, Ctrl+Shift+U Unicode input, IBus/Fcitx input methods, and custom .XCompose files.
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https://symbolfyi.com/guides/unicode-encodings-explained/
Unicode Encodings Explained: UTF-8, UTF-16, and UTF-32 Compared — SymbolFYI
Feb 24, 2026 - Compare UTF-8, UTF-16, and UTF-32 encodings — how they work, when to use each, and why UTF-8 dominates the web.
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https://symbolfyi.com/guides/type-special-characters-mac/
How to Type Special Characters on Mac: The Complete Guide — SymbolFYI
Feb 24, 2026 - Master typing special characters on macOS — Option key shortcuts, Character Viewer, Unicode Hex Input, dead keys, and emoji picker.
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https://symbolfyi.com/zh-hans/guides/
指南 — Symbol & Unicode Articles — SymbolFYI
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https://symbolfyi.com/category/checkmarks/
✓ Check Marks — Unicode Symbols — SymbolFYI
Check marks, ticks, and verification symbols Browse and copy 7 Check Marks symbols.
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https://symbolfyi.com/guides/css-symbols-content-property/
CSS Content Property: Using Unicode Symbols in Stylesheets — SymbolFYI
Feb 24, 2026 - Learn to use Unicode characters in CSS — the content property, escape sequences, custom list markers, decorative elements, and accessibility considerations.
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https://symbolfyi.com/glossary/
Unicode & Typography Glossary — Key Terms — SymbolFYI
Unicode, encoding, and typography terms explained for developers. 84 terms across 7 categories.
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https://symbolfyi.com/symbol/black-circle/
● Black Circle — Unicode Symbol Info — SymbolFYI
Copy ● Black Circle (25CF). HTML entity, CSS, JavaScript, Python encodings. Unicode Geometric Shapes.
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https://symbolfyi.com/guides/unicode-properties-categories/
Unicode Properties and Categories: Classifying Every Character — SymbolFYI
Feb 24, 2026 - Explore Unicode General Categories, Script property, and other character properties used in regex, text processing, and internationalization.
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https://symbolfyi.com/glossary/unicode/
Unicode: Definition & Examples — SymbolFYI
A universal character encoding standard that assigns a unique number (code point) to every character across all writing systems.
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https://symbolfyi.com/ru/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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https://symbolfyi.com/symbols-for/social-media/
📱 Symbols for Social Media — Symbols — SymbolFYI
Unicode symbols for Instagram bios, Twitter posts, TikTok captions, and Facebook updates. Stars, hearts, and arrows that render on every platform.
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https://symbolfyi.com/guides/encoding-detection-guide/
Character Encoding Detection: How to Identify Unknown Text Encoding — SymbolFYI
Feb 24, 2026 - Detect character encodings in unknown text — BOM sniffing, statistical analysis with chardet, ICU detection, and why heuristics sometimes fail.
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https://symbolfyi.com/guides/utf16-surrogate-pairs/
UTF-16 and Surrogate Pairs: Why JavaScript Strings Are Complicated — SymbolFYI
Feb 24, 2026 - Understand UTF-16 encoding and surrogate pairs — why emoji have .length 2 in JavaScript, how to handle supplementary characters, and when UTF-16 matters.
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https://symbolfyi.com/category/geometric/
◆ Geometric Shapes — Unicode Symbols — SymbolFYI
Squares, circles, triangles, and other shapes Browse and copy 89 Geometric Shapes symbols.
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https://symbolfyi.com/symbol/right-double-quotation-mark/
” Right Double Quotation Mark — Unicode Symbol Info — SymbolFYI
Copy ” Right Double Quotation Mark (201D). HTML entity, CSS, JavaScript, Python encodings. Unicode General Punctuation.
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https://symbolfyi.com/guides/alt-codes-windows-reference/
Windows Alt Codes: Complete Reference for Special Characters — SymbolFYI
Feb 24, 2026 - The complete Windows Alt code reference — how Alt codes work, the most useful codes for common symbols, and alternatives for modern Windows.
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https://symbolfyi.com/guides/input-method-editors-guide/
Input Method Editors (IME): How CJK Text Input Works — SymbolFYI
Feb 24, 2026 - Understand how Input Method Editors work — Japanese IME workflow, Chinese pinyin input, Korean hangul composition, and web form compatibility.
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https://symbolfyi.com/category/weather/
☀ Weather — Unicode Symbols — SymbolFYI
Sun, cloud, rain, and weather indicators Browse and copy 14 Weather symbols.
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https://symbolfyi.com/symbol/white-star/
☆ White Star — Unicode Symbol Info — SymbolFYI
Copy ☆ White Star (2606). HTML entity, CSS, JavaScript, Python encodings. Unicode Miscellaneous Symbols.
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https://symbolfyi.com/th/
Symbol & Character Reference — SymbolFYI
คัดลอกและวางสัญลักษณ์ Unicode พร้อมการเข้ารหัส HTML, CSS, JavaScript เรียกดูสัญลักษณ์ที่คัดสรรกว่า 5,000 รายการตามหมวดหมู่
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https://symbolfyi.com/guides/wcag-special-characters/
WCAG and Special Characters: Meeting Accessibility Standards — SymbolFYI
Feb 24, 2026 - How WCAG success criteria apply to Unicode symbols — text alternatives, contrast requirements, and specific techniques for special character accessibility.
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https://symbolfyi.com/glossary/?category=input
Unicode & Typography Glossary — Key Terms — SymbolFYI
Unicode, encoding, and typography terms explained for developers. 84 terms across 7 categories.
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https://symbolfyi.com/guides/unicode-regex-guide/
Unicode-Aware Regex: Property Escapes and Multilingual Patterns — SymbolFYI
Feb 24, 2026 - Write regex patterns that work with Unicode — property escapes, script detection, emoji matching, and common pitfalls in JavaScript and Python.
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https://symbolfyi.com/symbol/less-than-or-equal-to/
≤ Less-Than Or Equal To — Unicode Symbol Info — SymbolFYI
Copy ≤ Less-Than Or Equal To (2264). HTML entity, CSS, JavaScript, Python encodings. Unicode Mathematical Operators.
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https://symbolfyi.com/id/
Symbol & Character Reference — SymbolFYI
Salin-tempel simbol Unicode dengan pengkodean HTML, CSS, JavaScript. Jelajahi 5.000+ simbol pilihan berdasarkan kategori.
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https://symbolfyi.com/category/latin-extended/
ñ Latin Extended — Unicode Symbols — SymbolFYI
Accented and special Latin characters Browse and copy 505 Latin Extended symbols.
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https://symbolfyi.com/guides/html-entities-complete-guide/
HTML Entities: The Complete Guide to Character References — SymbolFYI
Feb 24, 2026 - Master HTML entities — named references, numeric codes, hex notation, when escaping is required, and a reference table of the most useful entities.
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https://symbolfyi.com/guides/unicode-accessibility-checklist/
Unicode Accessibility Checklist: 15 Checks for Inclusive Text — SymbolFYI
Feb 24, 2026 - A practical 15-point checklist for Unicode accessibility — from decorative symbol hiding to language declaration, RTL support, and proper text alternatives.
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https://symbolfyi.com/guides/category/history/
History — Guides — SymbolFYI
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https://symbolfyi.com/guides/idn-homograph-attacks/
IDN Homograph Attacks: When Unicode Becomes a Security Threat — SymbolFYI
Feb 24, 2026 - Learn how attackers use Unicode lookalike characters to create phishing domains — how IDN homograph attacks work and how browsers defend against them.
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https://symbolfyi.com/guides/series/history-of-symbols/
History of Symbols — Guide Series — SymbolFYI
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https://symbolfyi.com/guides/category/web-development/
Web Development — Guides — SymbolFYI
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https://symbolfyi.com/symbol/ballot-box-with-check/
☑ Ballot Box With Check — Unicode Symbol Info — SymbolFYI
Copy ☑ Ballot Box With Check (2611). HTML entity, CSS, JavaScript, Python encodings. Unicode Miscellaneous Symbols.
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https://symbolfyi.com/guides/space-characters-guide/
Space Characters in Unicode: 20+ Invisible Characters Compared — SymbolFYI
Feb 24, 2026 - Explore Unicode's space characters — regular space, non-breaking space, zero-width space, em space, thin space, and other invisible formatting characters.
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https://symbolfyi.com/guides/?category=how-to
Guides — Symbol & Unicode Articles — SymbolFYI
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https://symbolfyi.com/symbol/euro-sign/
€ Euro Sign — Unicode Symbol Info — SymbolFYI
Copy € Euro Sign (20AC). HTML entity, CSS, JavaScript, Python encodings. Unicode Currency Symbols.
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https://symbolfyi.com/symbol/heavy-ballot-x/
✘ Heavy Ballot X — Unicode Symbol Info — SymbolFYI
Copy ✘ Heavy Ballot X (2718). HTML entity, CSS, JavaScript, Python encodings. Unicode Dingbats.
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https://symbolfyi.com/guides/series/typography-for-the-web/
Typography for the Web — Guide Series — SymbolFYI
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https://symbolfyi.com/symbol/square-root/
√ Square Root — Unicode Symbol Info — SymbolFYI
Copy √ Square Root (221A). HTML entity, CSS, JavaScript, Python encodings. Unicode Mathematical Operators.
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https://symbolfyi.com/fr/guides/variation-selectors-explained/
Variation Selectors: How Unicode Controls Text vs Emoji Display — SymbolFYI
Feb 24, 2026 - Understand Unicode variation selectors — VS15 for text presentation, VS16 for emoji presentation, and how they control whether ☺ or 😊 appears.
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https://symbolfyi.com/symbol/apostrophe/
' Apostrophe — Unicode Symbol Info — SymbolFYI
Copy ' Apostrophe (0027). HTML entity, CSS, JavaScript, Python encodings. Unicode Basic Latin.
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https://symbolfyi.com/tools/string-length/
String Length Calculator — Free Text Analysis Tool — SymbolFYI
Count characters, bytes (UTF-8/UTF-16), grapheme clusters, words, and lines in any text. Essential Unicode-aware string analysis tool.
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https://symbolfyi.com/guides/en-dash-vs-em-dash/
En Dash vs Em Dash: When to Use – and — — SymbolFYI
Feb 24, 2026 - Learn the difference between en dash (–) and em dash (—) — usage rules, typing methods, HTML entities, and CSS implementation.
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