hello + 한글 (form mode)
hello+%2B+%ED%95%9C%EA%B8%80Spaces become plus signs, the literal plus is escaped, and Korean characters become UTF-8 percent escapes.
Enter a tool name or topic.
Prepare text for a URL parameter or turn percent-encoded text back into readable characters. The default mode transforms one component, such as a query value, rather than preserving the structure of a complete URL. Form-query mode additionally follows the space-as-plus convention.
Choose a task. Inputs stay in this page only.
Spaces become plus signs, the literal plus is escaped, and Korean characters become UTF-8 percent escapes.
Encode Unicode text as standard Base64 using UTF-8 bytes, or decode valid Base64 back to UTF-8 text. Base64 is encoding, not encryption.
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.