Make Your Text More Formal
Need to elevate a casual message into something more formal? Whether it is a WhatsApp message you need to turn into a professional email or a rough draft that needs polish, our tool handles it instantly.
How to Use This Tool
Paste the text you want to rewrite into the box above
The tone is already set to Formal — or change it to fit your needs
Click Fix Tone and copy your rewritten message
Frequently Asked Questions
Is this casual to formal converter tone rewriter really free?
Yes. Anonymous visitors get 3 free rewrites per day. Create a free account for 10 rewrites/day. For unlimited rewrites, upgrade to Premium at 5€/month.
How does the AI formal rewriter work?
ToneFixer uses Claude — one of the most capable AI language models — to understand your casual to formal converter and rewrite it with a formal and official tone. Results are natural and human-quality every time.
What is a Formal tone?
A Formal tone means writing that is formal and official. It shapes how your message is received and perceived by the reader.
How long can my casual to formal converter be?
Free accounts support up to 300 characters per rewrite. Premium accounts support up to 2,000 characters — ideal for longer casual to formal converters.
Can this tool rewrite casual to formal converters in other languages?
The tool works best in English, but can handle other major languages. The AI will attempt to match the formal tone in whatever language you write in.