Example: <div>
<div>Escape HTML special characters for text contexts and decode a common subset of named entities plus numeric references. Not a full HTML sanitizer or document parser.
Enter a tool name or topic.
Escape HTML special characters for text contexts and decode a common subset of named entities plus numeric references. Not a full HTML sanitizer or document parser.
Choose a task. Inputs stay in this page only.
Escape HTML special characters for text contexts and decode a common subset of named entities plus numeric references. Not a full HTML sanitizer or document parser.
Encode Unicode text as standard Base64 using UTF-8 bytes, or decode valid Base64 back to UTF-8 text. Base64 is encoding, not encryption.
Spaces become plus signs, the literal plus is escaped, and Korean characters become UTF-8 percent escapes.