ZeroCloud AI — Private AI Assistant

About

18 free AI tools that run 100% on your device. No data ever leaves your browser.

ZeroCloud AI is a privacy-first AI assistant powered by Chrome's built-in Gemini Nano. Summarize articles, rewrite emails, translate text, check tone, generate hashtags, and more — all without sending a single byte to the cloud.

FEATURES:
- 18 AI Tools — Summarize, Rewrite, Translate, Simplify, Tone Check, Quick Reply, Extract Data, Explain Code, Enhance Prompt, Subject Line, Hashtags, Classify, Thread Summary, Expand Text, Meeting Notes, Page Q&A, Chat, Write
- 100% On-Device — Powered by Gemini Nano, everything runs locally in Chrome
- Selection Toolbar — Highlight text on any page, get instant AI actions
- Customizable Toolbar — Choose which tools appear in the floating toolbar
- Keyboard Shortcuts — Alt+Shift+S (Summarize), Alt+Shift+R (Rewrite), Alt+Shift+T (Translate), Alt+Shift+W (Write), plus 4 more assignable
- Pin Favorite Actions — Star your most-used tools for quick access
- Side Panel — Full writing assistant and chat in the sidebar
- Cloud AI Option — Optionally use Gemini API or Qwen for faster responses (bring your own key)
- Smart Reply — Auto-generates reply suggestions in Gmail, Outlook, LinkedIn, Slack, Discord, and more
- Prompt Enhancer — Improves your prompts on ChatGPT, Gemini, Claude, and other AI sites
- 30+ Languages — Set your preferred response language
- Dark Mode — Follows your system theme
- Guided Setup — Step-by-step onboarding for first-time users

WHAT'S NEW IN v1.4:
- Onboarding wizard for easy setup
- Keyboard shortcuts for power users
- Pin favorite actions to the top
- Customizable selection toolbar
- Response language override
- Cloud AI fallback (Gemini API / Qwen)
- Share & rate prompts

PRIVACY:
- Zero data collection — no analytics, no tracking, no telemetry
- No account required
- No external API calls in default mode
- Your text never leaves your device

Works on Chrome 131+ with Gemini Nano enabled.