Ceres: Browser AI Assistant with Built-in AI & Voice

Improve writing, edit text with voice, and research with tabs/history. Works with OpenAI-compatible providers or Built-in AI.

Polish your text with smart floating buttons, fix grammar, and expand or collapse any text inside the text field you're already using. No copy-paste, no tab switching, powered by your browser's built-in AI or your favorite provider, including OpenAI, DeepSeek, and Others. ✍️ Rewrite text where you type Polish your text with smart floating buttons, fix grammar, and expand or collapse any text inside the text field you're already using. No copy-paste, no tab switching, powered by your browser's built-in AI or your favorite AI provider. - Rewrite and polish human-written text - Improve prompts for ChatGPT and AI agents - Make your own quick buttons for things you do often - Translate text written in your language into English 🪄 Do anything with your Voice - Transforms any selected text with just spoken instruction! - Replay to clients with your voice - Listen terms explanations and page summaries - Speak promptly instead of speaking. 💬 Browser AI Sidebar AI assistant that lives in your sidebar and sees what you're working on, opened tabs, PDFs, history, compare products, compose and write better articles. - Chat with context from your current page - Apply writing suggestion in the page. - Includes smart session control with undo button and crop previous messages. - Search the internet and browser history with navigation mode. - Access and dive into local computer files. - Works with any OpenAI-compatible API. 🧭 Navigation / Agent mode When enabled, Ceres can find and search the internet, browser history, bookmarks, explore local files, and gather the context needed to answer your request or finish your task! 🧠 Reasoning mode When enabled, Ceres can think to itself to improve AI suggestions when complex tasks occur. 🧩 Memory Ceres can remember your favorite writing or your evolving project while it grows. 🔮Built in AI - Ceres uses the browser's built-in on-device AI for your writing tasks, eliminating the need for external middleware. Ensure your computer meets the appropriate requirements; otherwise, an alternative LLM will be used via API.