Unicode Encoding Tool is a tool that converts strings to Unicode encoding. It can convert non-ASCII characters in the string to Unicode encoding, making it easier to use in different encoding environments.

Features:

1. Enter the string to be converted into the tool.

2. The tool will automatically convert non-ASCII characters in the string to Unicode encoding.

3. The converted string will be displayed in the tool's output area.

4. Users can choose not to convert all characters to preserve ASCII characters in the string.

Use cases:

1. Encoding conversion: In different encoding environments, non-ASCII characters in the string may appear as garbled text. Using the Unicode Encoding Tool can convert these characters to Unicode encoding for correct display in different encoding environments.

2. String processing: During string processing, it may be necessary to convert non-ASCII characters in the string to Unicode encoding. Using this tool, strings can be easily converted to Unicode encoding for further processing.

3. Programming development: During programming development, it may be necessary to convert non-ASCII characters in the string to Unicode encoding. Using the Unicode Encoding Tool can quickly convert strings to Unicode encoding for use in code.