Trammar - Webpage Translator & Offline Grammar Writing AI Assistant

The best offline AI grammar checker & webpage translator. Fixes mistakes & translates text locally on your device with zero lag.

🚀 Trammar is your lightweight, privacy-first AI companion designed for seamless webpage translation and instant writing assistance. Powered by local-first architecture, Trammar processes your text directly—ensuring top-tier speed without compromising your privacy. Whether you are reading foreign websites or drafting emails, Trammar works inline everywhere on the web. --- ✨ KEY FEATURES 🌐 Instant Webpage Text Translator • Highlight any text on any webpage to translate instantly into your target language. • Smooth, context-aware translations designed to retain original meaning. • Multi-language support for seamless international browsing. ✍️ AI Grammar & Writing Assistant • Fix spelling, grammar, and punctuation mistakes in one click. • Rephrase sentences for tone, clarity, and professionalism. • Inline assistant that works directly inside text boxes, text fields, and editors. ⚡ Offline & Private AI Feel • Local-first performance with minimal latency and instant responses. • Your text stays your text: No aggressive tracking, no intrusive data logging. • Extremely lightweight build that won't slow down your browser tabs. --- 🎯 WHO IS TRAMMAR FOR? • Students & Researchers analyzing non-native language sources. • Developers & Tech Enthusiasts who want fast, lightweight browser tools. • Professionals seeking flawless, error-free written communication. • Anyone who values speed, privacy, and effortless translation. --- 🔒 PRIVACY MATTERS Trammar is built with user privacy at its core. We do not store or sell your personal information or read activity. Enjoy a distraction-free, privacy-conscious AI workflow directly in Google Chrome. Install Trammar today and experience faster, private translation and writing support! 🛡️ Why Choose Trammar? 100% Confidential & Secure: Perfect for enterprise employees, researchers, legal teams, and developers handling sensitive, proprietary, or personal information. Zero API Costs: Works completely free of charge. No subscriptions, API keys, or usage caps. Offline Capability: Edit, fix and translate content even when you are disconnected from the internet. Minimal Latency: Avoid network overhead and lag by running models locally using your GPU/WASM accelerators. 🤖 Adaptive Model Routing (Local Execution Tracks) Trammar detects your active browser environment and routes text processing tasks to the most efficient on-device engine: Google Chrome (Official): Utilizes native Gemini Nano via the browser's built-in LanguageModel API. Microsoft Edge: Utilizes native Phi-mini via Edge's on-device Prompt API. Other Chromium Browsers (Brave, Vivaldi, Opera, etc.): Automatically falls back to a local quantized Gemma 4 model (onnx-community/gemma-4-E2B-it-ONNX q4) running in an offscreen document with WebGPU/WASM hardware acceleration. ✨ Key Features Intuitive Inline Menu: Simply highlight text on any webpage or input field to reveal the floating quick-access menu instantly. One-Click Corrections: Instantly trigger grammar adjustments or clean translation outputs. FIFO Quick Select (MRU Queue): Remembers your four most recently used target languages for ultra-fast access. Comprehensive Language Coverage: Supports over 100 languages, including Spanish, French, German, Hindi, Chinese, Japanese, Arabic, and more. Direct Paste & Copy: Easily copy results or inject/paste corrected text directly back into active text area, input fields, or rich text editors. Sleek Dark Theme: Featuring a modern, premium dark UI designed with smooth micro-animations and custom slim scrollbars. 🔧 Setup Instructions To unlock native on-device AI capabilities, follow these simple setup steps depending on your browser: For Google Chrome (Gemini Nano) Navigate to your browser settings: Settings > System. Find "On-device AI" (Optimization Guide) and turn the feature off and back on. This will trigger the automatic download of Gemini Nano (~2.5GB). Once the model download finishes, reload your tabs. The extension status will update to "Active (Gemini Nano Available)". For Microsoft Edge (Phi-mini) Open a new tab and go to edge://flags/#edge-llm-prompt-api-for-phi-mini Set the flag to Enabled. Relaunch Microsoft Edge to initialize the native model. For Brave, Vivaldi, Opera, and others (Gemma 4 Fallback) Open the extension popup from the toolbar. Select "Other Browsers" from the dropdown. Click "Download Local Gemma 4 Engine". The extension will pull down the quantized Gemma 4 weights and cache them directly in your browser's sandboxed storage.