I built a free text rewriter with no word limits — uses GPT-4o, not a proprietary model

Every paraphrasing tool online has the same problem: word limits. QuillBot caps you at 125 words on the free tier. Grammarly makes you sign up. Scribbr puts a banner over your output. They all use their own proprietary models that are... fine. Not great. So I built an alternative that uses GPT-4o or Gemini — the actual frontier models — and has no word limits at all. AI Text Rewriter — Free, BYOK, No Limits How it works Paste your API key (OpenAI or Google Gemini) Paste your text Pick a style: Standard, Formal, Casual, Simpler, Shorter, Expand, or Academic Hit Rewrite That's it. The rewrite uses whichever model you selected. GPT-4.1 Nano costs about $0.001 per rewrite. GPT-4o costs maybe $0.01 for a long paragraph. No word limits, no signup. Why BYOK matters here QuillBot uses its own model. It's decent for basic paraphrasing but falls apart on nuanced text — academic writing, technical docs, anything with domain-specific language. GPT-4o and Gemini 2.5 Pro are just better at this. The