SpeakTube

Interactive YouTube caption practice for language learners - with smart sentence segmentation

SpeakTube turns any YouTube video into an interactive pronunciation practice session. HOW IT WORKS 1. Open any YouTube video with captions 2. SpeakTube's panel appears automatically on the right 3. Click any caption segment to jump to that moment and loop it 4. Hit record and repeat the phrase 5. Play back your recording and compare with the original PRACTICE MODES • Video — Play the original and your recording separately at your own pace • Sequential — Original plays first, then your recording. Instant A/B comparison • Both — Both play at the same time so you can hear exactly where you diverge KEY FEATURES • Smart sentence segmentation — captions grouped into natural phrases, not individual words • Timeline editor — drag handles or use millisecond-precision buttons to fine-tune segment boundaries • Saved segments — star phrases to build a personal practice library across videos • Recording with audio processing — echo cancellation and noise suppression built in • Keyboard shortcuts — Space, R, P, arrow keys for hands-free practice • Themes — light mode, dark mode, and 4 color schemes • Caption overlay — show captions directly on the video with adjustable position and opacity PRIVACY • All recordings stored locally in your browser — nothing uploaded • No analytics, no cookies, no tracking • Minimal permissions: activeTab, microphone, and storage • No background network activity SUPPORTED LANGUAGES Works with any language YouTube has captions for — English, Spanish, French, German, Japanese, Korean, Chinese, Portuguese, Italian, Russian, Arabic, Hindi, and 40+ more. Free forever. No account required.