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Character Encoder/Decoder

Convert text between different encodings: URL, HTML, Base64, and Unicode.

Input Text

Enter or paste the text you want to encode or decode.

Result

Your encoded or decoded text will appear here.

About Text Encoding

Text encoding is the process of converting text into different formats for various purposes. Each encoding type serves a specific use case in different contexts.

Encoding Types

URL Encoding

Converts special characters to percent-encoded format for use in URLs. Spaces become '%20', '?' becomes '%3F', etc.

HTML Encoding

Converts special characters to HTML entities. '<' becomes '&lt;', '&' becomes '&amp;', etc.

Base64 Encoding

Converts binary data to ASCII text format. Commonly used for encoding binary data in email attachments and data URLs.

Unicode Escapes

Represents Unicode characters using escape sequences. Useful in programming and when working with different character sets.

Common Use Cases

Web Development

  • URL encoding for query parameters
  • HTML encoding for content security
  • Base64 for embedding images

Data Transfer

  • Encoding binary data for transmission
  • Converting between different character sets
  • Ensuring data integrity during transfer

Security

  • Preventing XSS attacks
  • Sanitizing user input
  • Encoding sensitive data