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The AI email writer that nails tone, not just grammar.

Grammar checkers and generic writers make your email correct. They don’t know who you’re writing to, what the relationship can bear, or whether “noted” reads as calm or cold. PersonaDraft is a behavioral AI email writer: it engineers the tone, the power read and the warmth of your message — the things that decide whether you get a yes.

Assertiveness
Warmth
Urgency
Brevity
Formality
Expressiveness
Detail
Tact
Drag one. Watch the sentence on the right change — and only that.
NEUTRALI noticed the report isn't finished and the deadline is tomorrow.
ASSERTIVENESS 82The report needs to be done by tomorrow — can you confirm you're on track?
A voice is a saved arrangement of all eight.
Describe the intent
Dump the raw thought — no need to polish. “Tell the client the timeline slipped but we’ve got a plan.” For a reply, the window reads the thread and asks the two questions that matter.
Pick the voice
Eight voices on one line, from Direct to Gentle to Visionary, set the baseline. Me — trained locally from your sent mail — sits first.
Tune and send
Nudge Length or Formality, insert into Gmail, send. Every draft is kept for the session so you can walk back to the best one.

Built for the emails that actually matter

PersonaDraft shines on the messages you rewrite five times: the tone-sensitive ones, the high-stakes professional ones, and the replies that need thread context.

Write your next email with the right tone.

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© 2026 PersonaDraftAlso: Email tone · Gmail AI · Professional emails