Teach globally, reply instantly
UnderKey helps online teachers respond in the right language and tone — clearly, kindly, and fast. Perfect for international classrooms.
(no credit card needed!)
Teaching online means bridging gaps — not just time zones
Your students speak different languages and need different tones. Some want motivation, others need clarity. UnderKey helps you write once and adapt to all — fast, personal, and always on point.
Language-aware replies
Translate your message into each student's native language and keep the right tone.
Educational tone presets
Create profiles per student: warm and supportive, or concise and professional — it’s up to you.
Save time, teach more
Focus on your lessons, not your inbox. UnderKey crafts replies in seconds, so you don’t have to.
Smart notes, always in context
Add context like ‘struggles with grammar’ or ‘needs encouragement’. UnderKey keeps it in mind when writing.
A day in the life of an online teacher
From morning questions to evening check-ins, UnderKey helps you stay present — even when your students are everywhere.
📩 Message from Diego (Spain)
Diego often writes in Spanish. His profile is set to ‘Spanish, encouraging tone, use simple examples’. You paste your English note into UnderKey — and get back a warm reply in perfect Spanish.
💬 Ping from Aisha (Kenya)
Aisha asks if she missed an assignment. Her tone is formal. You use Notes mode to clarify the due date and share a quick link. UnderKey keeps the tone respectful, not cold.
📝 End-of-day check-in with Yuri (Japan)
Yuri is shy and easily discouraged. His profile notes: ‘Always include a positive reinforcement’. You hit Generate — and UnderKey replies with kindness and clarity, no extra work needed.
Student chat simulation
See how UnderKey helps you respond to Diego in Spanish — with the right tone, clarity, and encouragement.
Conversation
Rules
He prefers Spanish. Keep it supportive and easy to understand. Use simple examples.
Smart notes
Clearer replies, happier students
Whether you're teaching in one language or five, UnderKey helps you reply with care, speed, and clarity — every time.
Works great on desktop and mobile.