SymbolDb is a free online symbol dictionary designed to help people find, copy, and use special characters with ease. Its collection includes more than 2,000 Unicode symbols across 50-plus categories, from mathematical, currency, music, and geometric symbols to Greek letters, other writing systems, emoji, cute decorative characters, and kaomoji. Visitors can search by name or keyword, browse categories, and copy a symbol to their clipboard with one click, without registering.

The site also offers tools and resources for working with text, including font generators, kaomoji and emoji makers, ASCII art converters, a Morse code translator, a Wingdings translator, and an All-in-One LaTeX toolkit. SymbolDb says its standard Unicode characters can be pasted into many applications and used across platforms such as Windows, macOS, iOS, Android, and Linux, as well as social media and messaging services. The website provides multilingual interfaces, a character encyclopedia, and blog content. Its collection is updated to reflect new Unicode symbols and emoji, helping users discover decorative and practical characters for everyday digital communication.