Telflix

Turn any YouTube video into an interactive language lesson with AI exercises — dictation, fill-in-the-blank, word order & more

Telflix transforms YouTube videos into personalized language lessons. Just click "Create Lesson" on any YouTube video, and AI generates interactive exercises based on the video's actual content and subtitles. HOW IT WORKS 1. Navigate to any YouTube video with subtitles 2. Choose your CEFR level (A1–C2) 3. Click "Create Lesson" — AI analyzes the video and generates exercises 4. Complete exercises in an overlay right on the video page EXERCISE TYPES • Dictation — listen and type what you hear • Fill in the Blank — complete sentences from the video • Multiple Choice — test comprehension • Word Order — arrange scrambled sentences • True/False — verify statements about the video • Error Correction — find and fix mistakes • Translation — translate phrases between languages • Retelling — summarize what you watched ...and 7 more exercise types! KEY FEATURES ✓ Works on any YouTube video with subtitles ✓ AI adapts exercises to your language level (A1–C2) ✓ Detailed feedback on your answers with explanations ✓ Exercises pop up right on the page — no switching tabs ✓ Supports English, Russian, Spanish, Turkish, and Arabic GETTING STARTED 1. Install the extension 2. Sign in at telflix.online (free account) 3. Go to any YouTube video and start learning! Built for language learners who want to practice with real content — news, podcasts, tutorials, interviews, or anything on YouTube.