Writing help, kept local

Say it better without sending it away.

Keystay is an Android keyboard with Fix, Rewrite, Shorter, Tone and Translate actions that run on your phone. Your typed text stays on your device.

Get the private beta brief

Tell us where you write most. We will use this to shape the first beta.

Useful in the moment you hesitate

Fix

Clean up spelling and grammar while keeping your meaning.

Rewrite

Find a clearer way to say the same thing.

Shorter

Make a long thought easier to read.

Tone + Translate

Choose a tone or language when the words need to travel further.

Private by the design

Inference runs locally after a one-time model download. No account is required, and the keyboard does not upload your typed text or generated result. Results can be wrong; you review before inserting.