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Tone Changer

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IntensityBalanced

Let’s set the tone!

Paste an email, chat message, review reply or announcement — or upload a Word, PDF or text file. Select any word to keep it exactly as written.

Rewritten message
Your rewritten message will appear herePick a tone, say who will read it, then press Change tone. Click any sentence in the result to see other ways to say it.
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Guest access

Free AI tone changer for emails, messages and replies

Paste any message and rewrite it in the tone you need — professional, friendly, confident, casual, empathetic, persuasive, diplomatic, concise or a custom voice you describe yourself. Tell the tool who will read it and what kind of message it is (a request, feedback, an apology, a support reply…), set how strongly to change the wording, and keep names, numbers and any word you select exactly as written. Every result comes with a tone analysis that shows how formality, warmth and directness moved, highlights every changed word, and lets you click any sentence for other ways to say it — in 70+ languages, without adding facts or promises that are not in your text.

  1. 1

    Paste the message

    Paste an email, chat message, review reply or announcement, or upload a Word, PDF or text file. Select a word or phrase and press Keep to lock it — names, product terms or a phrase you like stay untouched.

  2. 2

    Set tone and context

    Choose the tone, then open Context to say who will read it (a manager, a client, your team, a friend…) and what the message is (request, feedback, apology, disagreement…). The Intensity control moves from a light touch to a decisive rewrite.

  3. 3

    Review and send

    Changed words are highlighted, the analysis shows the before-and-after tone profile, and any sentence can be swapped for an alternative. Regenerate for another version, compare versions, edit in place, then copy or download as Word, PDF or text.

Tone analysis before and after

Each rewrite reports the original and new tone on three scales — formality, warmth and directness — with a one-line note on what changed, so you can see the shift instead of guessing.

Audience and situation aware

The same apology reads differently to a customer than to a colleague. Audience and situation guide the wording without inventing relationship details, promises or policies.

Keep what matters

Names, numbers, dates, prices and URLs are protected by default, and any word you select can be locked. Results that drop a kept word or change a fact are rejected and regenerated.

Sentence-level control

Click a sentence in the result for three alternative phrasings in the same tone, compare versions side by side, and undo with Ctrl+Z. Works with Word, PDF and text files in 70+ languages.

Frequently asked questions

Is the tone changer free?
Yes. Guests and free accounts get a daily word allowance with every tone, audience and situation included; Pro removes the limits and uses the strongest models through no-data-retention providers.
Will it change what my message says?
No. The rewrite keeps your meaning, facts, numbers, commitments and boundaries. It never adds greetings, promises, advice or calls to action that are not already in your text, and every result is checked against the original.
What does Intensity do?
Subtle keeps your voice and changes only the wording that sets the tone; Balanced improves tone while keeping your structure; Strong reshapes sentences so the new tone is unmistakable.
Can I describe my own tone?
Yes. Choose Custom and describe the voice — “calm and reassuring”, “upbeat but not salesy”, “formal British English” — and the tool applies it as a style instruction.
Is my text stored?
Your text stays in your own browser between visits. Requests are processed in memory, never stored on our servers, and not used to train models.

Read the rewritten message once before sending — tone is personal, and you know the reader best.