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🌐 PolyDub — AI 智能视频翻译·配音·要点总结扩展 PolyDub — AI Real-Time Video Translation, Dubbing & Summary Extension 为 YouTube、Udemy、BiliBili、Coursera 等视频网站提供实时语音与字幕翻译、AI 要点总结与知识流程图生成。 支持语音配音、字幕下载，让外语视频轻松可懂、学习高效、沉浸体验。 Real-time speech & subtitle translation, AI key-point summaries, and knowledge flowcharts for YouTube, Udemy, BiliBili, Coursera, and more — turning any foreign video into an easy-to-understand, structured learning experience. 🎬 实时字幕翻译与下载 / Real-Time Subtitle Translation & Download ・多语言字幕自动翻译，边看边译 ・一键下载原文与译文字幕（SRT / VTT 格式） ・支持英语、日语、韩语、法语、德语等 20+ 主流语言 ・Automatic subtitle translation in real time while watching ・One-click download of original & translated subtitles (SRT / VTT) ・Supports English, Japanese, Korean, French, German, and 20+ languages 🗣️ AI 智能视频语音配音 / AI Video Voice Dubbing ・采用 Microsoft Azure、Google TTS 与本地 Edge 语音引擎 ・实时语音转换：替换原视频音频为 AI 配音 ・自然流畅、音色可选的多语言语音体验 ・Powered by Microsoft Azure, Google TTS, and local Edge voices ・Real-time voice conversion with natural, selectable multilingual voices 🧩 AI 要点总结与解说 / AI Key-Point Summary & Commentary ・一键提炼整段视频的核心观点，快速抓重点 ・自动生成章节大纲与时间戳，点击即跳 ・AI 解说式要点梳理，让长视频 5 分钟看懂 ・Distill the whole video into key points with a single click ・Auto-generated chapters & timestamps — click to jump instantly ・AI commentary-style digest turns a long video into a 5-minute read 🧠 知识流程图生成 / Knowledge Flowchart Generation ・基于视频内容自动生成知识流程图 ・把复杂讲解转化为可视化结构，一眼看清逻辑脉络 ・特别适合课程、教程、科普与技术讲解类视频 ・Automatically build a flowchart from any video ・Turn complex narration into a clear visual structure ・Ideal for courses, tutorials, science & tech explainers 💻 多平台支持 / Multi-Platform Support ・兼容 YouTube、Udemy、BiliBili、Coursera 等主流平台 ・实时语音与字幕处理，无需下载即可享受翻译 + 总结 ・Works on YouTube, Udemy, BiliBili, Coursera and more ・Real-time processing — no download required 📂 本地视频播放 / Local Video Support ・支持本地视频字幕翻译、AI 配音、要点总结与字幕下载 ・离线场景也能享受完整翻译与学习体验 ・Subtitle translation, AI dubbing, summary and download for local videos ・Full experience even in offline learning scenarios ・Deep-learning translation & summarization engine for accurate, structured output ・LLM-powered chapter extraction and flowchart modeling ・Multi-format subtitle support (SRT, VTT) ・Smart speech–video sync for natural alignment ・Adjustable playback speed, volume, and voice parameters ・Rich personalization options ・Foreign-language courses & tutorials — dubbed playback + key points for review ・Movies & documentaries — immersive dubbing with structured summaries ・Online education & corporate training — flowcharts for faster comprehension, offline-ready ・Cross-language knowledge — tech talks, science explainers, paper walkthroughs at a glance ✅ Real-time voice translation — watch and listen without waiting ✅ AI key-point summary — turn long videos into essence ✅ Knowledge flowchart — visualize complex content ✅ Subtitle download — save both original and translated ✅ 20+ languages supported ✅ Ad-free, focused learning Break language barriers and beat information overload. With AI translation, dubbing, key-point summaries, and knowledge flowcharts, PolyDub delivers a truly borderless and efficient global learning experience.
Immersive Translate: AI Web, PDF & Video Translator
📣 The Website Translation Extension with Explosive Word of Mouth Across the Web [Immersive Translate (沉浸式翻译)] ⭐⭐⭐⭐⭐ 📣 Trusted by 20M+ users worldwide with a privacy-first design. Recognized as Chrome’s 2024 Best Extension. 💻 The Functional Features Are as Follows: - 🚀 Offers bilingual website translate by smartly identifying the main content area of web pages, thus reducing the "intrusiveness" on the original webpage. This brings a better foreign language webpage translation and reading experience, hence it is named [Immersive Translate]. - 🚀 Optimized for Major Websites: Deeply customized for a seamless translation experience on Google Search, top social media platforms (Twitter, Reddit, Facebook), and renowned news websites. Whether you are searching, socializing, or gathering information, your browsing experience will be smoother and highly efficient. - 🚀 Features a mouse hover translation function, allowing you to simply hover the mouse over any paragraph on any webpage, and the corresponding translation will instantly appear below the paragraph. In the [Immersive Translate] design concept, paragraphs are considered the smallest unit, preserving their context, enabling a true understanding and learning of foreign languages. - 🚀 Introduces web page input box translation, where typing in your native language followed by a triple space in any web page's input box (immediately translates your input into the target language you've set). This unlocks a bilingual real-time conversation experience across languages with tools like Google Search, ChatGPT, and others. - 🚀 Hover Translation: Hover over text and use shortcut keys to instantly reveal paragraph translations. Read translations directly beneath the original content for smooth, effective, and immersive bilingual reading. - 🚀 Translate on Text Selection: Select any word or phrase to instantly view AI-powered translation and pronunciation—without leaving the page. - 🚀 Translate PDF(retaining the original document's format and layout), the advanced version supports all kinds of complex formula recognition, table recognition, and picture OCR recognition in PDFs. This ensures the translation maintains the original format and layout as much as possible. Applicable scenarios include, but are not limited to, PDF translation of foreign literature, academic papers, product manuals, etc. - 🚀 Also supports one-click translation of EPUB eBooks, TXT documents, HTML, and subtitle files (ASS/SRT). - 🚀 Automatic bilingual subtitle translation for mainstream online video sites (including YouTube, Netflix and dozens more), allowing one-click translation to break language barriers and enable the exchange of cultural ideas in various languages globally. - 🚀 Enable real-time translation for multilingual meetings on Zoom, Google Meet, and Microsoft Teams. Communicate clearly across languages and collaborate without barriers. - 🚀 Instantly translate Japanese manga, Korean webtoons, and Western comics, so you can read the latest chapters as soon as they’re released—without waiting for official translations. - 🚀 Immersive Translate supports both local image translation and one-click translation of web images—without interrupting your browsing experience. Powered by advanced OCR and inpainting technology, it preserves original layouts and visual styles for a seamless, immersive reading experience. - 🚀 AI Expert: Assign AI specialized industry roles to deliver more professional translations for specific domains. - 🚀 AI Term: Use pre-built terminology libraries to maintain consistent, accurate translations. You can also create and customize your own. - 🚀 Context-aware Translation: Powered by customizable AI terminology. Leverage domain-specific AI expertise and tailored term libraries to achieve more accurate translations across websites, PDFs, and online video subtitles. 🔐 Built with Privacy First Trusted by 20M+ users worldwide. Recommended by major browsers and recognized as Chrome’s 2024 Best Extension. - 🛡️ Zero content retention - 🛡️ No data used for model training - 🛡️ End-to-end encrypted requests Your translations stay yours. - 🚀 Powered by Top-Tier Translation Engines: Currently supports integration with over a dozen global mainstream machine translation services and cutting-edge AI Large Language Models (LLMs), including DeepL, OpenAI (ChatGPT), Gemini, and Claude, perfectly fulfilling your diverse translation needs across any scenario. The Immersive Translate extension is free to use. We hope it helps everyone break language barriers, allowing for an easy, enjoyable, and elegant way to access a wealth of foreign language information on the Internet. ❤️
AI Video Dub - Realtime Translation & Voice
AI-powered YouTube video translation & voice dubbing with natural AI voices. Supports 70+ languages. AI Video Dub is a powerful Chrome extension that translates YouTube videos in real-time with natural AI voice dubbing in 70+ languages. AI Video Dub is designed for users who want to watch YouTube content in their native language without language barriers. The extension uses advanced AI technology to: 1. Translate video content to your selected target language using Microsoft Translator 2. Display translated text as an overlay on the video 3. Generate natural-sounding voice dubbing using Microsoft Neural TTS voices 4. Synchronize the dubbed audio with video playback Real-Time Video Translation: The extension works seamlessly with YouTube. When you click "Start Translation" in the popup interface, the extension processes the video in real-time. The translated audio plays simultaneously with the video, allowing you to understand the content in your preferred language. AI Voice Dubbing (NEW): Powered by Microsoft Neural TTS — over 400 natural-sounding voices across 70+ languages. Each language has multiple voice options (male/female). Audio is pre-generated before playback starts for seamless, synchronized dubbing with no delays. Video to Text: Get the full transcript of any YouTube video with timecodes. Click any line to jump to that exact moment — perfect for finding key points, quotes, or re-watching specific scenes. Translate the entire transcript into any of 50+ supported languages. Copy with one click or download as SRT subtitle file for use in video players or editors. Subtitle History: A draggable, resizable panel displays every subtitle that was voiced during your session, so you can scroll back through the entire conversation. Copy the whole history with one click for note-taking, language learning, or documentation. SRT Subtitle Download (NEW): Download translated subtitles as standard .srt files. Compatible with all major video players (VLC, MPV) and video editors (Premiere, DaVinci). Perfect for content creators who want to add subtitles to their own videos. Customizable Playback: - Adjust voice volume and original audio volume independently - Change speech rate from 0.5x to 1.5x - Select from multiple AI voices per language - Show or hide translated and original subtitles - Drag subtitle overlay to your preferred position - Drag and resize the Video to Text and Subtitle History panels - Searchable language selector for quick language switching Multi-Language Support: The extension supports translation and voice dubbing in 50+ languages including: English, Spanish, Portuguese, Russian, French, German, Chinese, Japanese, Korean, Hindi, Arabic, Turkish, Italian, Polish, Dutch, Indonesian, Vietnamese, Thai, Ukrainian, Czech, Armenian, Romanian, Swedish, Greek, Hebrew, Bengali, Urdu, Persian, Malay, Filipino, Hungarian, Finnish, Danish, Norwegian, Bulgarian, Slovak, Croatian, Serbian, Catalan, Tamil, Telugu, Marathi, Gujarati, Kannada, Malayalam, Nepali, Azerbaijani, Georgian, Swahili, Afrikaans, Kazakh, and Uzbek, Punjabi, Pashto, Yoruba, Burmese, Lao, Amharic, Sinhala, Khmer, Zulu, Albanian, Belarusian, Mongolian, Lithuanian, Bosnian, Slovenian, Galician, Macedonian, Irish, Latvian, Estonian, Icelandic, and Welsh. User Feedback & Reviews: Send feedback, report bugs, or suggest new features directly from the extension popup using the "Report a problem" button. Every piece of feedback is reviewed by our team. 1. Visit any YouTube video 2. Click the AI Video Dub extension icon 3. Sign in with your Google account 4. Search and select your target language 5. Click "Start Translation" — wait a few seconds while AI voices are generated 6. Watch the video in your language with natural voice dubbing 7. Optionally open Video to Text for the full transcript or download SRT subtitles AI Video Dub uses Google OAuth 2.0 for secure user authentication. No passwords are stored. Users can revoke access at any time through Google Account Settings. Works with all Chromium-based browsers (Chrome, Edge, Brave, Opera) - even if Chrome sign-in is disabled. This extension: - Does not collect personal information beyond Google authentication - Does not store user viewing history - Does not track user activity - Does not share data with third parties - Uses Google OAuth 2.0 for secure authentication only - Translation requests are processed securely and not stored long-term - User feedback is voluntary and only submitted when the user explicitly clicks "Send feedback" Support and Feedback: For technical support, bug reports, or feature requests, please visit aivideodub.com, use the "Report a problem" button directly in the extension, or contact our support team.
DualPiP – PiP Player | ASR Live Captions · Subtitles & AI Translation
PiP player with ASR live captions, bilingual subtitles, AI translation, and danmaku. Supports YouTube, Netflix, Disney+, and more. What can the DualPiP Picture-in-Picture player do? Play any video in a floating window with full controls and these features: Subtitles: • ASR Live Captions (PRO) — Auto-generate AI captions via speech recognition, powered by Deepgram or local Whisper • Bilingual subtitles — Display two languages simultaneously with multiple translation engines • Online search — Find and download from OpenSubtitles, SubDL, and more • Local import — Load SRT/VTT/ASS/SSA/SUB files • Style customization — Adjust font, size, color, position, and background Translation: • AI engines — 30+ providers including OpenAI, Claude, Gemini, and DeepSeek for context-aware results • Traditional engines — Google Translate, Microsoft Translator, and Yandex • Batch pre-translation — Process all content ahead of playback for zero wait Playback: • Full controls — Play/pause, volume, seek, speed, and frame-by-frame • Gestures — Double-tap to seek, swipe for progress/volume/brightness, long-press for speed boost • Timeline thumbnail preview and customizable keyboard shortcuts Learning: • Learning Mode — Subtitle list panel with split and collapsed layouts, double-click to jump • AB Loop — Multi-loop management with audio fade-in/out and precise timing • Smart merge — Automatically combine fragments into complete sentences Interactive: • Danmaku — Live comments from Bilibili, NicoNico, YouTube Live, Twitch, and Kick • Side panel for chat messages and one-click video screenshots How does ASR speech recognition work? ASR is a PRO feature that auto-generates real-time AI captions for any web video. It supports Deepgram cloud (22+ languages,
Real-time Video Translator & Dubbing - DubTab
Live AI speech translator with dubbing. Dual subtitles for YouTube, courses, meetings & streams. Supports 60+ languages. DubTab helps you understand any video in your browser by dubbing it in real time. When you’re watching YouTube, online courses, K-pop livestreams, product demos, webinars, or any site with spoken audio, DubTab: - translates what you’re hearing as it happens, - shows live translated subtitles on screen, and - plays a natural AI voice speaking the translation (real-time dubbing). If you’ve ever thought “I wish this video had a voiceover in my language” — that’s exactly what DubTab is built for. 🎧 What DubTab is best at - Real-time AI dubbing (the main feature) DubTab turns speech into translated speech with low latency, so you can keep watching without constantly staring at subtitles. - Live translated subtitles Subtitles appear in real time, so you can follow every sentence as it’s spoken. - Bilingual subtitles (when you want both) Show original + translation together — great for learning or quick accuracy checks. - Choose a voice you like Pick from multiple voices so the dub sounds clear and comfortable to listen to. - Works on any tab that’s playing audio Great for YouTube, video platforms, courses, K-pop livestreams, webinars, and more. ✨ Use cases - Keep up with fast-paced tutorials, courses, and tech talks without missing details - Language learning with bilingual subtitles + spoken translation - Teams who consume international content (training, demos, talks) - Watch YouTube videos in other languages hands-free (listen instead of reading) - Follow K-pop livestreams and understand what’s happening in real time 🪄 How it works 1) Install DubTab 2) Play a video/audio in your browser 3) Select your Target Language (and source if needed) 4) DubTab shows live translated subtitles and starts dubbing 5) Listen to the translated voice in real time 🔒 Privacy & support DubTab is built with privacy in mind and designed to support GDPR principles. Your viewing history stays on your device — all history is stored locally.
