Translate anything on screen
with a single hotkey.
No window switching, no copying, no typing. Hover cursor over any word in PDFs, subtitles, games or terminals, press ⌥T, and get an instant AI linguistic card.
Built for reading and learning
Designed to keep you in the flow without interrupting your focus.
Zero Selection Needed
Hover cursor over any word and press ⌥T. Works over video subtitles (VLC/IINA), PDFs in Preview, terminal output, images, or protected app interfaces.
100% On-Device OCR
ScreenCaptureKit captures a tight crop around your cursor, and Apple Vision runs OCR locally on your Mac's Neural Engine. Your desktop screen image never leaves your machine.
Linguistic Card
Not just a flat translation: get pronunciation, CEFR level (A1–C2), word frequency, register (informal/formal/slang), and practical collocation sentences.
"Ask AI" in Context
Encountered a complex phrase or idiom? Click "Ask AI" right inside the HUD panel to get contextual nuances answered without leaving the app.
Local History (⌥H)
All your lookups are saved in an on-device SQLite database. Search past queries anytime so you never have to re-translate recurring technical jargon.
Secure BYOK Model
Use your own free Groq API key (response times in 2–4s). The key is stored securely in your macOS system Keychain, never in plain text.
Installation & Setup
Download and drag to Applications
Download Lensy-1.0.0-beta.dmg and drag the Lensy icon into your Mac's Applications folder.
First launch (Right-click → Open)
Because Lensy is currently in independent beta without Apple's $99/yr notarization, macOS will show a prompt on first launch. Simply Right-click the app → choose Open.
Grant permissions & add free Groq key
Grant Accessibility (for hotkeys) and Screen Recording (for cursor OCR crop). Enter your free Groq API key from console.groq.com into Settings. Done!