Thy.si
Thy AI guide to archaic and Shakespearean English
Translate between modern and archaic English, understand thee, thou, and thy, and get help reading Shakespeare and early modern texts - explained clearly, verily.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Thy.si gives you
translate
Modern to archaic
Translate everyday phrases into thee, thou, and thy English.
book
Shakespeare helper
Unpack unfamiliar words and grammar in early modern texts.
list
Grammar explained
Thee, thou, thy, and thine - the real rules, historically grounded.
bookmark
Saved translations
Sign in free and keep every translation and explanation.
Pricing
Simple plans that grow with you
Most popular
Plus
$9/mo
- ✓200 questions per day
- ✓Full saved conversation history
- ✓Longer passage translations
Premium
$99/mo
- ✓Unlimited questions
- ✓Extended deep-dive answers
- ✓Everything in Plus