Kukuluku

About

Highlight any word or sentence on any webpage — Kukuluku instantly shows 
the translation in a small popup, right where your eyes already are. 
No new tabs. No copy-paste. Just read.

HOW IT WORKS

1. Select any text → translation appears immediately.
2. Or press Alt+Q to translate any selection on demand.
3. Use Study mode to learn vocabulary in context.

FEATURES

· Works on every website
· Translate into 100+ languages
· AI explanations — meaning, context, usage examples
  (Claude, GPT-4o, Gemini, Grok — bring your own key)
· Three modes: Auto, Alt+Q hotkey, Study
· Four themes: calm, hybrid, steel, light
· Translation history
· Minimal design — stays out of your way

FREE & AD-FREE

No account needed. No data collection. No ads. Ever.
AI explanations require your own API key (optional).
Your key is stored locally on your device only.

PERFECT FOR

· Reading foreign-language articles and docs
· Learning vocabulary in context
· Researchers, students, and language learners
· Anyone who reads English online every day