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Transform YouTube into a Karaoke machine. Features synchronized lyrics, drag-and-drop UI, and instrumental detection. Lyrics Mode brings a native, premium lyric experience to your favorite music videos. Designed to feel like a built-in feature, it automatically finds and displays perfectly timed lyrics without getting in your way. Designed for the music Choose how you want to read. Switch between an immersive, semi-transparent karaoke overlay that previews the next line, or a minimalist classic text view that floats cleanly over the video. You are in complete control of the experience. Freely positionable: Drag and drop the lyrics anywhere on your screen. Precision sync: Audio slightly off? Use the timing slider to nudge the lyrics forward or backward by the millisecond. Custom aesthetics: Adjust the text size and choose from five highly legible, high-contrast colors. The overlay works intelligently with YouTube. It automatically hides itself when an ad plays and seamlessly reappears the moment your music resumes. It even recognizes instrumental tracks automatically. Your data remains yours. Lyrics Mode does not track your browsing history or collect personal information. It operates strictly on your device, only reading the current video title to fetch the appropriate lyrics. The project is completely open-source and verifiable.
YouTube Dubbing – Translate & Dub
YouTube Dubbing is a browser extension that translates and dubs online videos in real time. No need to read subtitles—just listen in your native language and understand foreign videos instantly, as naturally as watching local content. Open any video on YouTube, Bilibili, Udemy, or Coursera—YouTube Dubbing automatically translates the subtitles and plays AI dubbing with no extra steps. Just hit play to start. ★ Free — Dub up to 5 videos per day for free, perfect for everyday watching and language learners. ★ Premium — Unlimited videos, AI subtitle enhancement (GPT / Claude), preserve background audio, smart multi-speaker detection, and priority customer support. Core features: - One-click translation & dubbing — Press play to automatically translate subtitles and start dubbing, saving time and effort. - AI subtitle enhancement (Premium) — Even if a video has no subtitles (YouTube & Bilibili), AI can generate subtitles automatically and then translate and dub them. - Multi-model translation (Premium) — Supports leading LLMs like GPT and Claude for more natural and accurate translations. - Rich voice library — Male and female voices, multiple regional accents, automatically matched to the best voice for the target language. - Adaptive playback speed — Dubbing stays in sync at 0.5× to 2× speed. - Preserve background audio (Premium) — Keep original music and sound effects for a more immersive experience. - Smart multi-speaker detection (Premium) — Distinguish different speakers and assign different voices for richer, more natural dialogue. - Cross-platform support — Available on Chrome, Firefox, and Android. - Multi-site support — Works with major platforms like YouTube, Bilibili, Udemy, Coursera, and more. - Universal video dubbing — Even when a video is not covered by the extension’s built-in one-click support, YouTube Dubbing can intelligently detect the media source and guide you to download the video and upload it to our server for subtitle recognition. You will receive an email when processing is complete, then come back and watch. - Subtitle Summary — Subtitle Summary is not limited to YouTube; any website supported by the extension can summarize subtitle content. - Subtitle Editor — If the translation or dubbing still is not satisfactory, copy subtitles from Subtitle Editor to your preferred AI model for translation, then paste them back and save. After manually enabling “skip translation for same-language subtitles,” the extension can dub with your custom subtitles.
LumaLyrics – Real-Time Lyrics for YouTube Music, Karaoke Mode
Real-time synced lyrics for YouTube Music with karaoke mode, animated lyrics, customization, and light & dark themes. Turn your music into a visual experience. LumaLyrics for YouTube Music transforms the way you listen to songs by adding real-time synchronized lyrics directly inside YouTube Music. With smooth animations, karaoke-style timing, and customizable themes, every track becomes something you can see, feel, and follow. Whether you want to sing along, understand lyrics better, or simply enjoy a more immersive music session, LumaLyrics upgrades your entire listening experience. LumaLyrics automatically detects the song playing on YouTube Music and displays perfectly timed lyrics in sync with the track. Each word and line appears exactly when it should, creating a seamless karaoke-style experience. What you get: • Real-time synchronized lyrics • Automatic song detection • Smooth line-by-line and word-by-word timing • Perfect sync with music playback LumaLyrics uses dynamic kinetic typography to animate lyrics in sync with the rhythm of the music. Words move, scale, and transition smoothly, turning each song into a visual performance. This creates a more engaging and expressive way to experience music beyond just listening. Make the experience yours. LumaLyrics gives you full control over how lyrics look and feel, so you can match your personal style or mood. Now you can switch between Light Mode and Dark Mode based on your environment or preference. • Light Mode for bright, clean readability • Dark Mode for immersive, low-light listening • Smooth theme switching anytime • Consistent visuals across all lyric styles Whether you're listening during the day or late at night, LumaLyrics adapts to your vibe. Fast Performance with Smart Caching LumaLyrics is built for speed and efficiency. It uses smart local caching to store lyrics temporarily, allowing faster loading and smoother animations without unnecessary network usage. Enjoy a seamless experience without slowing down your browser. Popup Dashboard for Easy Control Control everything without interrupting your music. The built-in popup dashboard gives you quick access to all essential features and settings. You can: Simple, fast, and always within reach. Responsive Overlay for YouTube Music LumaLyrics integrates smoothly with the YouTube Music interface and adapts in real time. Lyrics stay perfectly synced and visually aligned at all times. Your data stays yours. LumaLyrics runs entirely within your browser and only uses local storage for caching and settings. A clean experience with complete privacy. • Real-time synchronized lyrics for YouTube Music • Karaoke-style lyric timing • Animated kinetic typography • Fully customizable themes and visuals • Light Mode and Dark Mode support • Fullscreen lyric experience • Popup dashboard for quick controls • Smart caching for faster performance • Lightweight and efficient design • Privacy-first with no data tracking Upgrade Your Music Experience See the lyrics. Feel the rhythm. Stay in sync. Install LumaLyrics and turn every song into a visual journey.
Pitch Shift, Transpose Key & Speed Control for YouTube – KeyPitch
Transpose key, Pitch Shift, add reverb, control speed, loop audio in real-time on YouTube. Perfect for karaoke, singers, musicians. Pitch Shift, Transpose key, control playback speed (tempo), create precise loops, add reverb, enable spatial 8D audio, and freely organize your workspace. That’s exactly what KeyPitch delivers: an audio tool designed specifically for YouTube and YouTube Music. KeyPitch is a next-generation audio tool built for anyone who listens to, practices, performs, or creates music on YouTube and YouTube Music. Whether you are a singer, musician, producer, or karaoke enthusiast, KeyPitch turns your browser into a real-time digital audio workstation (DAW). Change the key of a track without altering its tempo. • Semitone adjustment: from -12 to +12. • Ideal for: Adapting a song to your vocal range or playing in a different key without changing chord shapes. Unlike classic transposition, pitch adjustment is fine-grained and continuous. • Surgical precision: Adjust frequency from 415.3 Hz to 466.2 Hz (around the standard 440 Hz tuning). • Ideal for: Microtonal tuning, pitch correction, or matching slightly detuned recordings. • Total smoothness: High-quality algorithm with no audible artifacts. • Ideal for: Analyzing complex solos or progressively practicing fast passages. • Reverb (0–100%): Recreate the acoustics of a concert hall or studio to add depth and warmth to a “dry” sound. • 8D Spatial Mode: Create dynamic rotational movement. The sound feels like it’s moving around your head (best experienced with headphones). Define point A and point B with millisecond accuracy. • Drag & Drop: Freely rearrange each module (Pitch, Tempo, Reverb, etc.) to match your workflow. • Automatic memory: The interface remembers your preferred layout. • Modern design: Dark glassmorphism look, elegant and optimized to reduce eye strain during studio sessions or late-night use. 🎹 Who is KeyPitch for? • 🎤 Singers: Transpose any song to your ideal key. • 🎸 Musicians: Slow down guitar solos or piano lines to transcribe them by ear. • 🎧 DJs & Producers: Experiment with live remixing and ambient effects directly on YouTube and YouTube Music. • 🎼 Students & Teachers: A powerful educational tool for ear training. • Professional-grade quality: Ultra-low-latency DSP (Digital Signal Processing) engine for smooth real-time processing. • 100% Local: All audio processing happens directly in your browser. • Privacy-first: No data collection, no account required, no cookies. KeyPitch turns YouTube into a true sonic laboratory. Music becomes more precise, more immersive, and entirely yours.
YouTube Karaoke Extension
YouTube karaoke overlay: search songs, manage singers, adjust pitch, build queues, handle ads, and use dual-screen mode. Run karaoke on YouTube like a pro: smart overlay, round-robin singer rotation, Dual Screen, and per-song key/pitch control—no extra accounts or APIs. Turn any YouTube video into a polished karaoke experience. YouTube Karaoke Extension keeps everything on screen—singers, queue, timing, and controls—so your night flows without juggling tabs or spreadsheets. Perfect for bars, house parties, meetups, or singing with friends. Add singers in seconds, queue songs from links or built-in search, and let round-robin rotation keep things fair. A clean seek bar with precise current/total times helps you jump right to the chorus, while thumbnails and quick controls make the queue effortless to manage. During ads, the extension mutes and temporarily speeds up playback, then restores your original volume and speed automatically—so the vibe never dies. Need a second screen? Use Dual Screen to project the karaoke video on an external display while you manage singers and the queue on your main screen. And when a song needs a different feel, adjust the key/pitch per song—raise or lower it to match the singer, without changing the whole session. 🎤 Add/remove singers; round-robin rotation to keep turns fair and smooth 🔎 Add songs by pasting a link or using built-in search (no API key required) 🗂️ Drag-and-drop queue with thumbnails and quick controls 💾 Save / Load / Delete lineups for recurring gigs and events 🚫 Mute + max-speed ads, then auto-restore your volume and speed ⏱️ Seek bar with current/duration times (tabular, precise) 🖥️ Dual Screen to project the karaoke video to an external display 🎚️ Per-song key/pitch change to raise or lower the key for each track in your playlist How it feels: fast setup, clean UI, and tools that stay out of the way—so you can focus on the performance, not the tabs.