Use a dot or ? for each missing letter, eg. wi.e or d?g
These tools are designed to assist in solving normal and cryptic crosswords.
The UK Advanced Cryptics Dictionary is used. It contains most common words, including proper nouns and inflected forms.
The anagram tool can not turn Adolf Hitler into hate for dill, unlike some other humorous multi-word anagram sites.
The Chaucery blog has further information.