This is the most comprehensive Chinese-English dictionary for language learners, available for download on Android and iOS. It can be set to simplified or traditional characters, and it also includes an optional Cantonese dictionary.
This is a both a dictionary and a learning resource for students at all levels. It includes free flashcards, HSK prep materials, reading materials and tools, and more. Most of the features are free, although it has ads and offers a paid subscription. Simplified and traditional characters.
free and open-source dictionary based in Taiwan. The dictionary provides definitions of words in Chinese with examples, also including translations into English, French, and German. It also has sections dedicated for Taiwanese Hokkien and Hakka, as well as sections for Chinese proverbs and idioms (成語、諺語、歇後語、etc). Traditional characters.
this is a website that gives you example sentences for any word or phrase, it's really helpful to understand the usage of new vocabulary. It also provides translation services for English and other languages. Simplified or traditional characters.
this is another dictionary that provides information about Chinese characters, including pronunciation in several languages (Mandarin, Cantonese, Japanese, Korean, Vietnamese, etc.), historical forms, related characters, and more. It's an interesting resource, but for the average Chinese learners it provides way too much information than what is needed.
Book and e-book dictionaries
Feel free to browse all the available dictionaries at the library in this LC subjects: