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Email tone, as eight numbers you can turn.

“Make it sound more professional” means five things to five people. Tone is the measurable social effect of word choice, sentence length, hedging and directness. PersonaDraft exposes it as eight independent dials, then sets them for you with a voice.

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.
Why independent dials
You can be warm and assertive at once — a good manager. Brief and tactful — a good rejection. The art is the combination, not the single tone.
Why the thread matters
“Assertive” to your own report is “aggressive” to a client’s lawyer. Dials move relative to who wrote last and how, so the output is a response, not a template.
Why you rarely touch them
Seven voices and Me cover the recurring situations. On the odd moment, nudge Length or Formality; the rest holds.

Tone matched to the relationship, not a generic “professional” setting

The same words land differently with your CEO, a new client and a teammate you have known for years. The window reads the Gmail thread and tunes tone to the actual relationship — formal where it counts, human where it helps. It is built for the messages where tone is the whole game: the apology that has to feel sincere, the pushback that can’t burn the bridge, the follow-up that needs spine.

Turn one lever. Watch the message change.

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© 2026 PersonaDraftAlso: AI email writer · Gmail AI · Professional emails