Skip to main content
Unicode Escape Encoder
Unicode Escape EncoderReady
Input Unicode Text
0 lines · 0 B
Raw input remains untouched until you click Format
Unicode Escaped Output (\uXXXX)Editable
0 lines · 0 B
Ready to copy (⌘⇧C) or download (⌘S)

Unicode Escape Encoder

Encode special characters and international text into Unicode escape sequences (\uXXXX) online. Perfect for JavaScript, JSON, and C code.

\uXXXX 16-bit notation
Preserves ASCII text
Instant conversion
Copy & Download
Step-by-Step Guide

How to Use Unicode Escape Encoder Online

Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.

1
Step 1Scans string character by character.
2
Step 2Leaves standard ASCII characters (0-127) unchanged.
3
Step 3Converts code points > 127 into \uXXXX hexadecimal notation.
Demonstration

Example Input & Output

Translates non-ASCII characters into standard 16-bit Unicode hexadecimal escape sequences.

Input Unicode Text
Hello 世界! 🚀
Unicode Escaped Output (\uXXXX)
Hello \u4e16\u754c! \ud83d\ude80
Applications

Common Use Cases

Java & JavaScript Properties

Safely store international characters in ISO-8859-1 properties files.

Knowledge

Frequently Asked Questions

What is a Unicode escape sequence?

It is an ASCII representation of Unicode characters using \u followed by four hexadecimal digits.

Workflow

Related Tools

All Tools →
DECODER

Unicode Escape Decoder

Decode Unicode escape sequences (\uXXXX, \u{XXXXXX}) back to readable text and emojis online with instant client-side string parsing.

Decodes \uXXXX sequencesSurrogate pair restorationInstant processing
Open tool
CONVERTER

ASCII Converter

Convert text to ASCII decimal, hexadecimal, binary, and octal character codes online. Includes an interactive ASCII lookup table in your browser.

Text to Decimal codesDecimal codes to TextCustom separators
Open tool
ENCODER

Hex Encoder

Convert plain text and binary strings into hexadecimal (base-16) byte representations online. Fast in-browser hex encoding with delimiter options.

Custom separator (space, comma, none)0x prefix optionUTF-8 byte support
Open tool
ENCODER

Base64 Encoder

Encode plain text, UTF-8 strings, and binary data to Base64 format online. Fast client-side Base64 string encoding with URL-safe option.

UTF-8 full charset supportURL-safe Base64 toggleInstant live encoding
Open tool