Select AI - Explain & Translate

AI explanations, bilingual translations, YouTube subtitles, and image recognition. Built-in free AI works out of the box.

Explain selected text, translate pages bilingually, and recognize image text with AI context awareness. Core Features: 🤖 Intelligent AI Explanation More than translation. Select text and the AI understands semantics, tone, and nuance — delivering precise, context-grounded explanations. 🎯 Intent-Aware Adaptation Automatically detects what you've selected and switches to the optimal explanation mode: • Title → TL;DR summary & article thesis preview • Term → Structured definition, contextual usage & collocations • Code → Natural-language breakdown of purpose & key logic • General → Full context-aware reading assistance 🌊 Streaming Responses Watch the AI generate answers in real time — no waiting for a complete response. 📖 Japanese Learning Toolkit • Furigana (振り仮名): Japanese pronunciations above kanji characters • Text-to-Speech: Read aloud both the original text and translations A must-have for Japanese learners. 🖼️ Image Recognition Right-click any image or screenshot to instantly extract and explain the text within it. 🌐 Bilingual Translation Select part of a page — or nothing at all — to activate full-page bilingual subtitle-style translation, with original and translated text displayed side by side. 🎬 YouTube Bilingual Subtitles Watch foreign-language YouTube videos with one-click AI bilingual subtitles. Reuses existing captions, translates in real time, and displays a dedicated bilingual subtitle overlay with adjustable font size and smart segment merging for smoother playback. ⚡ Support Multiple AI Providers Bring your own API key for most AI providers, or configure any custom OpenAI/Anthropic-compatible API. A built-in free AI service is also available out of the box. 🔒 Privacy First Your API keys are stored locally, on your device only. No data collection. No user tracking.