ExplainIt!

Instantly explain any selected text in your preferred language and tone

🔍 ExplainIt! — AI-Powered Text Explanations Explain complex text in seconds. Select text on any webpage and get a clear explanation in your preferred tone and language. ✨ WHAT’S NEW IN 2.0 • Multi-provider support: OpenAI, Anthropic, Google Gemini, Groq • Bring your own API key • API key status + “Test key” check before use • Unified inline settings (provider, key, language, tone) • Improved error guidance and onboarding • Better accessibility (keyboard navigation, focus states, reduced motion) 🚀 HOW IT WORKS 1) Select text on a webpage (3–2000 chars) 2) Click the floating ExplainIt icon 3) Read the explanation in the inline popup 4) Copy with one click if needed 🎯 EXPLANATION MODES • Simple Words — clear and concise • Like I’m 5 — child-friendly explanation • Expert Level — technical and precise 🌍 LANGUAGES • English • Russian (Русский) 🔒 PRIVACY & SECURITY • API keys are stored locally on your device • Provider and API keys are NOT synced across devices • Language and tone preferences can sync via Chrome sync • Selected text is sent only to your chosen AI provider to generate the explanation • ExplainIt does not run its own backend for text processing • No browsing history collection