The HTML Symbol Cheatsheet tool is a tool for looking up and understanding HTML symbols. It provides information such as the description, Unicode code, HEX code, HTML code, HTML entity, and CSS code of HTML symbols, and supports displaying them in table or grid form.

Features:

1. The tool provides a categorized list of HTML symbols, and users can click on the categories to view the corresponding HTML symbols.

2. The tool supports a search function, and users can search for symbols by entering keywords.

3. The tool supports displaying HTML symbols in table or grid form, and users can choose different display modes according to their needs.

4. The tool provides information such as the description, Unicode code, HEX code, HTML code, HTML entity, and CSS code of HTML symbols, which users can use to understand and use HTML symbols.

5. The tool supports clicking on symbols to view detailed information about them, including the description, Unicode code, HEX code, HTML code, HTML entity, and CSS code, and provides HTML and CSS sample code.

Use cases:

1. Front-end development: In front-end development, HTML symbols are often used to achieve specific effects. Using the HTML Symbol Cheatsheet tool can help developers look up and understand HTML symbols, and use them more effectively.

2. Text editing: In text editing, HTML symbols are sometimes needed to achieve specific formatting effects. Using the HTML Symbol Cheatsheet tool can help users look up and use HTML symbols more easily.

3. Learning HTML symbols: For beginners, learning HTML symbols can be difficult. Using the HTML Symbol Cheatsheet tool can help beginners better understand and learn HTML symbols.