Old English Translator translates modern English to Old English and back, with Text, Documents and Images tabs. It also has a dictionary of 485 headwords, a 31-character alphabet with a keyboard, and 102 phrases. The page labels the output an AI draft, and says some phrases are adapted forms, not attested ones.
The page says it is free and needs no account. It carries ads. Links to Old Norse, Latin and Elvish translators appear on the site.
Old English Translator was built as an easy tool for translating between modern English and Old English.