Open WebUI Assistant

AI-powered text tools using your local Open WebUI instance

Open WebUI Assistant - Your Local AI, Everywhere in Chrome 🚀 Transform your browsing experience with AI-powered text tools that work seamlessly across the web. Open WebUI Assistant connects your locally-hosted Open WebUI instance directly to your browser, giving you instant access to powerful language models wherever you need them. What It Does Open WebUI Assistant puts AI assistance at your fingertips with intelligent context menus that appear exactly where you're working. The extension provides TWO different menu experiences depending on whether you have text selected or not: 📝 WHEN TEXT IS SELECTED - Get these powerful AI operations: ✏️ Rewrite - Improve clarity and flow, replaces text directly on the page ✓ Fix Grammar - Instantly correct spelling and grammar errors on the page 🔍 Check Grammar - Get detailed explanations and suggestions in the side panel 📈 Expand - Add 25% more detail while maintaining tone, edits in-place 📉 Shorten - Condense text while preserving key points, edits in-place 📄 Summarize - Get concise summaries in the side panel 💬 Chat - Have a conversation about the selected text with full context 📄 WHEN NO TEXT IS SELECTED - Access page-level features: 📖 Explain This Page - Get a full AI-powered summary and analysis of the entire webpage in the side panel, then chat about it Where It Works 🌐 UNIVERSAL - Works on ANY website with Chrome's default right-click menu 📧 Email & Outlook - Custom menu injected directly into the native interface 📝 Google Docs - Seamlessly integrated custom menu items in Google's native right-click menu with advanced clipboard-based text capture 📊 Google Sheets - Custom menu integration with direct on-page text editing 🎨 Google Slides - Seamlessly integrated custom menu items in Google's native interface ✍️ All Text Fields - Works in text boxes, content editors, and rich text areas across the web Key Features ⚡ Smart In-Place Editing - Most operations like Rewrite, Fix Grammar, Expand, and Shorten replace your selected text directly on the page in Email, Outlook, Google Sheets, and standard text fields. No copy-pasting required! For read-only pages or when editing fails, results automatically appear in the side panel. 🎨 Beautiful Side Panel - A persistent side panel keeps your AI conversations and results accessible without disrupting your workflow: - Full markdown rendering with syntax highlighting - One-click copy in plain text or formatted HTML - Text-to-speech for reading results aloud - Contextual chat that remembers your page content, selected text, AND previous AI outputs - Model selector to switch between your AI models - Clean, modern interface - Stays open while you browse 💬 Intelligent Chat System - The chat feature maintains full context including: - The current webpage content - Any text you had selected - Previous AI responses shown in the output area - Your entire conversation history This means you can ask follow-up questions about AI summaries, request changes to rewrites, or dive deeper into any topic without repeating context. 🔐 Secure Authentication - Connect to your Open WebUI instance with: - Your Open WebUI base URL (local or remote) - Your username/email and password - Optional "keep me logged in" for convenience - Automatic session management and token refresh - All credentials encrypted and stored locally in Chrome's secure storage - Never transmitted to third parties 🤖 Model Management: - Automatic model discovery from your Open WebUI instance - Easy model selection and switching - Default model preferences saved - Hidden models automatically filtered out - Model refresh with one click 🎯 Context Menu Intelligence: - Different menus for selected vs non-selected text - Custom injected menus in Google Workspace apps blend seamlessly with native interface - Smart text capture works even in complex web applications like Google Docs - Advanced clipboard management preserves your original clipboard content - Fallback mechanisms ensure text capture always works Privacy First 🔒 Your data never leaves your control: - Connects only to YOUR Open WebUI instance - All processing happens on your local or private server - No third-party services involved - No data collection or tracking - Credentials stored locally using Chrome's encrypted sync storage - Open source and transparent How to Use SETUP: 1. Install the extension 2. Click the extension icon or right-click anywhere and select "Open WebUI Assistant" 3. Go to settings and configure: - Your Open WebUI base URL (e.g., http://localhost:3000) - Your Open WebUI username and password - Enable "Save login credentials" to stay logged in - Test your connection - Select your default AI model - Save your settings 4. Start using AI everywhere! BASIC USAGE: - Select text anywhere → Right-click → Choose your action → AI processes it - No text selected → Right-click → "Explain This Page" for full page summary - Click extension icon to open side panel anytime - Chat in side panel maintains full context from page, selections, and previous outputs GOOGLE WORKSPACE (DOCS/SHEETS/SLIDES): - Custom menu items appear directly in Google's native right-click menu - No "Open WebUI Assistant" submenu needed - Perfectly integrated with Google's interface - Advanced text capture ensures selections always work IN-PLACE EDITING: - Works automatically in Email, Outlook, Google Sheets, text fields, and content editors - AI replaces your selected text directly - no copy/paste needed - If editing isn't possible, results appear in side panel automatically - You can disable in-place editing in settings if you prefer side panel only Perfect For ✍️ Writers - Polish prose, fix grammar, adjust length, maintain style 🎓 Students - Understand complex texts, improve writing, study assistance 💼 Professionals - Enhance emails, reports, presentations, business writing 🔬 Researchers - Summarize articles, analyze content, extract insights 🌐 Anyone who wants AI assistance without leaving their browser or sharing data with third parties Technical Details - Connects to Open WebUI API (v1/auths/signin and /api/chat/completions) - Supports all Open WebUI-compatible models (Ollama, OpenAI-compatible, etc.) - Secure credential storage via Chrome's synchronized storage API - Advanced text capture for complex web applications using clipboard techniques - Multi-frame support for embedded content (Google Docs iframes) - Intelligent context management for relevant AI responses - Markdown-to-HTML rendering for beautiful output - Web Speech API integration for text-to-speech - Graceful fallbacks ensure functionality across all websites Requirements ✅ A running Open WebUI instance (local or remote network) ✅ Valid Open WebUI account credentials ✅ At least one AI model configured in your Open WebUI setup to your account (account specific models) ✅ Chrome browser Settings & Customization ⚙️ Configure in extension settings: - Open WebUI server URL - Login credentials with optional persistence - Default AI model selection - In-place editing toggle (enable/disable direct page editing) - Connection testing - Model refresh Context Menu Structure 📋 WITH TEXT SELECTED: Open WebUI Assistant → 📄 Summarize ✏️ Rewrite 🔍 Check Grammar ✓ Fix Grammar 📈 Expand 📉 Shorten 💬 Chat 📋 WITHOUT TEXT SELECTED: Open WebUI Assistant → 📖 Explain This Page Support Any questions should be addressed to Support at support@graytechnical.com