Make AI sound like you
Paste a few of your posts and get a free brand-voice profile + a copy-paste prompt that makes AI write in your voice — not a generic one.
Free · no signup · instant
Your brand-voice profile + a copy-paste AI prompt will appear here.
Why your AI content sounds generic
Out of the box, AI writes in an average-of-the-internet voice — polished, safe, and nothing like you. The fix isn't a better prompt template; it's a prompt built from your own writing. This tool decodes your voice from real posts and gives you a reusable prompt (and a VibeDay Brand) so everything you generate sounds like you wrote it.
Frequently asked questions
How do I make AI sound like me?
Paste a few things you've actually written and this tool reverse-engineers your voice — tone, signature phrases, do's and don'ts — then hands you a reusable prompt. Paste that prompt into ChatGPT, Claude, or Gemini (or save it in VibeDay) and the AI writes in your voice instead of a generic one.
Is it free?
Yes — analyze your voice free, no signup. It's built by VibeDay, which can then generate and publish social content in that exact voice for you.
What do I paste in?
3–5 of your real posts or captions (a few sentences each). The more authentic samples you give it, the more accurate your voice profile and prompt.
How do I make ChatGPT write like me?
The reliable way isn't a clever one-off prompt — it's a prompt built from your own writing. Paste a few of your posts here, get a reusable voice prompt, and drop it into ChatGPT (it works the same for Claude and Gemini). From then on it writes in your voice instead of a generic AI one.
Can it build my brand voice from my past posts?
Yes — that's exactly how it works. It analyzes the writing samples you paste and produces a brand-voice profile (tone, signature phrases, do's and don'ts, words to avoid) plus a prompt any AI can reuse. Save it as a VibeDay Brand and every post and video VibeDay generates uses it automatically.
Can I save my voice for later?
Yes — one click saves it as a VibeDay Brand, so every post and video VibeDay generates automatically uses your voice.