TextBetter

Your premium, Gemini-powered AI writing assistant with Shadcn Zinc styling.

A minimal writing assistant extension styled with clean zinc aesthetics. Highlight text, choose an action, and refine your sentences without leaving your browser tabs. - 100% Privacy First - Custom Prompts - No Server Fees Code source: https://github.com/klysman08/TextBetter Key Features 🧠 Latest Gemini Models: Gemini 3.5 Flash (Default / Recommended): Frontier-level reasoning and agentic text edits. Gemini 3.1 Flash-Lite: High-throughput, ultra-fast responses for quick edits. 🔒 Offline-First Privacy: No middleman servers. Your Gemini API key is stored securely in your browser's local sandbox (chrome.storage.local) and all calls go directly to Google's official endpoints. ⚙️ 7 Powerful Writing Actions: Rewrite: Improve general flow and style while maintaining the original meaning. Review: Spotless grammar, punctuation, and spelling correction. Professional: Upgrade to business-formal, crisp corporate tone. Appealing: Engaging, persuasive copywriting edits. Emojis: Infuse expressive, tasteful emojis. Detail: Expand and elaborate with rich context. Shorten: Condense to direct, brief sentences. 🎨 Shadcn Zinc Design System: A responsive UI with a custom dark/light theme matching Shadcn's modern palette. 🔊 Synthesized UI Sounds: Responsive audio feedback (clicks, successes, error blips) synthesized in real-time using the Web Audio API (completely mutable in settings). ⚙️ Behavior Customization: Auto-open Toggle: Toggle whether the floating trigger button automatically opens after text selection. Available in both options page and extension popup menus. Icon Position: Choose to render the floating trigger icon either Above Selection or Below Selection to match your browsing comfort. Trigger Shortcut: Record a custom keystroke combination (e.g., Ctrl+Shift+K) inside the settings page to open the writing assistant instantly for selected text. 📊 Usage Dashboard: Real-time tracking of request history, input/output token counts, and most-used actions. 📝 Custom Prompts: Edit the prompt instructions sent to Gemini for each of the 7 actions directly from the settings page. ☕ Support & GitHub: Built-in Stripe donation ("Buy me a coffee") and official GitHub repository links on both settings and popup menus.