5-Second AI Bilingual Subtitles Upgrade
Stop waiting. Turn YouTube English videos into bilingual learning tools instantly.
Smart sentence breaks, real-time sync, tap-to-translate.
Features
YouTube Subtitle Translation Tool Built for English Learning
Lightning Fast
5-Second AI Bilingual Subtitles
AI subtitle generation averages only 5-6 seconds. No more long waits. Real-time sync and smart sentence breaks make English-Chinese comparison clearer.
Learning Optimized
Word Highlighting & Tap-to-Translate
Word-level synchronous highlighting that follows speech rhythm. Tap any English word or sentence for instant translation and pronunciation.
Minimalist Design
Plug-and-Play, No Registration
Works right after installation. Smart hiding automatically hides features when encountering music or Chinese videos without disrupting normal viewing.
AI Powered
Leading Translation Quality
Based on Gemini large model with intelligent contextual understanding. Translation results match Chinese expression habits.
Completely Free
Core Features Forever Free
Bilingual subtitle translation is completely free, letting everyone enjoy quality English learning experience.
Real User Feedback
Trusted by Learners
"Incredible! Been searching forever for a subtitle plugin for English learning, this is the best - Chinese-English sync, click subtitles to check dictionary and pronunciation"
"Best real-time translation plugin so far, fast translation with high accuracy, reasonable layout"
"This extension greatly reduces the difficulty of watching YouTube English videos, subtitles appear almost instantly, no waiting at all"
"Free, no login required, and translation quality is quite high, beats all paid translations"
"Sentence breaks are fantastic! The translated Chinese sentences are indeed quite natural and comfortable"
"Essential tool for watching technical videos, AI translation accuracy is very high, helps me quickly understand professional content"
