AI Tone Changer
This free AI tone changer rewrites your text in the tone you choose, such as professional, friendly, confident, persuasive, formal, casual, empathetic or witty, while keeping the meaning and facts. Paste up to 5,000 characters, pick a tone and an optional audience, then copy the result. It helps with emails, replies and web copy.
AI Tone Changer
AI Writing
About this tool
The tone changer asks Claude, an AI model, to adjust word choice, sentence length and warmth to match the tone, without changing what you are saying. A formal tone uses full sentences and careful wording. A casual tone uses contractions and shorter lines. An empathetic tone acknowledges feelings first.
Paste your text, choose the tone you want, say who will read it if that matters, and run it. Compare the result with your original and keep the lines that sound right. Run it again with another tone to compare how the same message can land differently.
Input is limited to 5,000 characters. A tone change can slightly shift emphasis, so check that it still says exactly what you mean, particularly in sensitive messages such as complaints, refunds and legal notices. The output is AI-generated, so read it carefully, keep facts and numbers unchanged, and edit before you send or publish.
Frequently asked questions
Does the meaning stay the same?
The AI is told to keep the facts, names and numbers and change only the tone. Small shifts in emphasis are possible, so read the new version against the original, especially in messages where exact wording matters.
When should I use a formal tone?
Use formal for legal, official, academic and first-contact business writing. Use professional for most workplace email, friendly for customer replies and casual for social posts and chat. Pick based on who reads it, not on how you speak.
How much text can I use, and are there limits?
Each run accepts up to 5,000 characters for the text. There is also a fair-use limit on AI runs per visitor each day so the tool stays free. When you reach it, the free tools that do not use AI still work, and you can run this one again the next day.
How accurate is the AI output?
No AI output is guaranteed accurate. This tool can misread your meaning, repeat a common phrase or state a detail you did not give it, so read the rewritten text through, check every name, number and claim, and edit it before you publish. Treat it as a fast first draft that you review, not finished copy.