Ceres Browser AI Assistant with Voice

AI assistant with voice input/output and local AI writing buttons. Works with OpenAI, DeepSeek, and on-device AI.

Ceres gives superpowers to your browser with AI and voice interaction. It rewrites or corrects any text directly inside any text field, powered by Gemini Nano running locally on your computer. It also listens to your voice and writes for you, reads pages aloud so you can hear them, a full browser AI assistant without subscription need. It also brings context-aware chat into every page: the assistant sees your open tabs, PDFs, images, and selected text, and you can connect any LLM you want — OpenAI, DeepSeek, Ollama, or your own endpoint. == Writing AI Assistant == Polish your text with on-device AI or your own API provider. Fix grammar, rewrite sentences,expand or collapse any text inside the text field you're already using. No copy-paste, no tabs. It works on-device, so your text stays on your computer. - Fix grammar and spelling where you're writing - Rewrite and polish transcribed text - Improve prompts for ChatGPT and AI agents - Make your own quick buttons for things you do often - Translate text written in your language to English == Voice AI Assistant == - Listen to any selected text in your language - Listen to page summarization - Speak with your mother language! ..text will be converted to text and auto-translated if needed. == Browser AI Sidebar with BYOK == AI chat that lives in your sidebar and sees what you're working on, open tabs, PDFs, images, summarize or compare documentation, compose and write better articles. - Chat with context from your current page - Apply writing suggestion in the page. * Works with OpenAI, DeepSeek and even Ollama, any OpenAI-compatible API. * Includes smart session control with undo button and crop previous messages.