Unicode変換

変換 Text to Unicode Escape Sequences

Unicode escape sequences appear throughout development: in JSON that needs to be transmitted safely, in JavaScript source code where non-ASCII characters must be escaped, in systems that only accept ASCII-compatible strings, and in configuration files with specific encoding requirements.

While the Unicode デコードr handles 変換ing escape sequences back to text, this Unicode 変換er does the opposite: it takes readable text—including emoji, accented characters, Chinese, Arabic, Cyrillic, and any Unicode character—and 変換s it into escape sequence フォーマット.

This is essential when you need to embed multilingual content, emoji, or special characters in systems that require escaped Unicode.

What Gets 変換ed

ASCII Characters: Normal letters and numbers (a-z, A-Z, 0-9) stay unchanged. Punctuation and symbols that don't need escaping remain as-is.

Non-ASCII Characters: Everything else 変換s to \uXXXX フォーマット (where XXXX is the hexadecimal Unicode code point):

• é (U+00E9) → \u00e9
• 中 (U+4E2D) → \u4e2d
• 😀 (U+1F600) → \ud83d\ude00 (as a surrogate pair in JavaScript)
• Ω (U+03A9) → \u03a9

Full Multilingual Support: Works with characters from any language or symbol set that Unicode covers.

Why You Need This

JSON Transmission: When transmitting JSON containing multilingual content, you may need to escape non-ASCII characters for safe transmission or to ensure compatibility with older systems that expect ASCII-only JSON.

JavaScript Source Code: Modern JavaScript supports Unicode, but in some legacy contexts or for maximum compatibility, non-ASCII characters in strings are escaped. 生成 escaped versions when needed.

Database Compatibility: Some databases or text processing systems require Unicode escaping. 変換 your text to escaped フォーマット before importing or storing.

Configuration Files: XML, YAML, JSON, and other configuration フォーマットs may require escaped Unicode in specific contexts.

Testing & Debugging: When debugging encoding issues, 変換 the expected text to escape sequence フォーマット to compare with actual output.

Documentation & Specifications: Technical documentation sometimes needs to show Unicode escape sequences explicitly. 変換 text to 生成 examples.

Common Development Workflows

Internationalization (i18n): When building multilingual applications, you may need Unicode-escaped strings in source code or configuration files. 変換 text here, then embed in your code.

Data Portability: Export multilingual content as escaped Unicode for safe transmission or storage in ASCII-limited systems.

フォーマット Conversion: 変換 text to escaped フォーマット, then paste into JSON, JavaScript, or other code files.

Testing Escape Handling: When testing how your application handles escaped Unicode, 生成 test data by 変換ing readable text here.

Documentation Examples: 作成 examples showing escaped vs. unescaped representations of multilingual text.

Copy & Embed

変換ed escape sequences copy to your クリップボード with one click. Paste directly into:

• JSON files
• JavaScript source code
• Configuration files
• Test data files
• Documentation

Completely Local Conversion

Conversion happens in your ブラウザ using JavaScript's native Unicode support. Your text never leaves your machine, making this safe for processing sensitive or proprietary multilingual content.