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Free browser extension that rewrites your prompt in one click and keeps a reusable prompt library.
Promptly AI is a browser extension that sits inside ChatGPT, Claude, Gemini, DeepSeek and Copilot. It offers one-click prompt rewriting, a personal library where you save and re-insert prompts you use often, a public library of curated templates for writing, coding, marketing and research, and export or summarisation of a whole conversation. It runs on Chrome, Edge and Firefox, is free with no account or card required, and shows over 10,000 users and a 4.5-star rating on the Chrome Web Store. No company or country is disclosed anywhere.
Advertised as free with no account and no card. No paid tier, credit pack or upgrade path is published anywhere on the site or the store listing.
Use tool ↗Free, small and does what it says: improve a prompt in place, keep the ones that worked, export the thread afterward. Works across the five major chat sites rather than only ChatGPT. The absence of any business model is the thing to weigh - a free extension with screen access to your AI conversations and no named operator is a trust question, not a feature question.
Watch out: The extension reads and writes inside your AI chat windows, and no operating entity is named - check the Chrome Web Store permissions before installing on a work profile.
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