Viral Pulse - YouTube Caption Extractor & AI Rewriter

Extract YouTube captions, rewrite with AI, fill Studio titles/descriptions, and analyze viral potential.

Viral Pulse - YouTube Caption Extractor & AI Content Creation Tool Viral Pulse helps YouTube creators extract captions from videos and use AI to generate scripts, titles, descriptions, and hashtags. Inside YouTube Studio, you can also get AI-powered title and description suggestions and apply them directly to your upload fields. Viral Pulse is a content workflow assistant built to reduce repetitive work before and after publishing YouTube videos. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🌟 Key Features ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ YouTube Caption Extraction • Extract captions from YouTube videos when captions are available • Copy extracted captions or download them as a TXT file • Supports multiple caption languages, including Korean, English, Japanese, and more • Works directly on YouTube video pages ✅ AI Script Rewriting • AI analyzes video captions and rewrites them into natural, engaging scripts • Choose rewriting output language: Korean, English, or Japanese • Genre-based rewriting options for storytelling, mukbang, beauty, gaming, reviews, vlogs, education, news, and more • Generate opening hooks, titles, descriptions, and hashtags together • Regenerate results when you want a different version ✅ Automatic Titles, Descriptions, and Hashtags • Generate title ideas designed for stronger click-through potential • Create video descriptions and hashtags based on the video content • Copy the full result, including script, title, description, and hashtags, in one click • Save time when preparing YouTube upload metadata ✅ YouTube Studio AI Suggestions • Adds a Viral Pulse AI suggestion button inside YouTube Studio video editing pages • View AI-generated title ideas near the title field • View AI-generated descriptions and hashtags near the description field • Apply the selected title or description directly to YouTube Studio with one click ✅ AI Viral Analysis • Check a video's viral score and grade • Understand the key reasons a video performs well • Break down structure, flow, and format in a timeline-style analysis • Get content ideas you can apply to your own videos • Identify risks that make content feel overly generic or AI-generated • Get recommended hashtags and continue deeper analysis on the Viral Pulse web dashboard ✅ Trends & Insights • Quickly access trending keywords, popular content ideas, and channel growth insights • Find planning ideas directly inside your YouTube workflow • Connect to more detailed analysis on the Viral Pulse website ✅ Light and Dark Mode • Automatically detects your system theme • Supports light and dark theme switching • Provides a compact side-panel UI designed for YouTube pages ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💡 How to Use ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Install Viral Pulse and open YouTube or YouTube Studio 2. On a YouTube video page • Click the "Viral Pulse" button in the bottom-right corner • Use the "Caption Extraction" tab to extract captions and download TXT files • Use the "AI Rewriting" tab after signing in to generate scripts, titles, descriptions, and hashtags • Use the "Analysis" tab to review viral factors and recommended hashtags 3. In YouTube Studio • Open a video upload or editing page • Click the Viral Pulse AI suggestion button • Review AI-generated titles and descriptions • Apply the result directly to the YouTube Studio title or description field ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💎 Pricing ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ The extension itself is free to install. Some AI features, including AI rewriting, YouTube Studio AI suggestions, and viral analysis, may require Google sign-in and credits or a subscription plan. Paid features are available through the Viral Pulse website: https://viralpulse.net/pricing ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🧠 Why Viral Pulse? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Save Time • Reduce the time spent extracting captions, rewriting scripts, writing titles, and preparing descriptions. • Apply titles and descriptions directly inside YouTube Studio. Improve Content Quality • AI suggests better sentence structure, hooks, titles, and hashtags. • Genre-aware rewriting helps make the content feel more natural for each video type. Support Content Planning • Use trend keywords and viral analysis to discover new content ideas. • Learn from the patterns behind high-performing videos and apply them to your own strategy. Easy to Use • Runs directly inside YouTube and YouTube Studio. • Simple button-based workflow with no complicated setup. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 Recommended For ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • YouTube Shorts creators • Video content creators • YouTube channel operators • Social media marketers • Education, review, vlog, and news-style creators • Creators who want to reduce upload metadata writing time ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔐 Privacy ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Uses official Google OAuth 2.0 sign-in • Stores login session information in Chrome Storage • Uses only the minimum information needed to provide AI features and manage usage limits • Does not collect YouTube watch history, private messages, contacts, or browser search history • Learn more: https://viralpulse.net/privacy ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📞 Support ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Official website: https://viralpulse.net Email: support@viralpulse.net Plans: https://viralpulse.net/pricing Privacy Policy: https://viralpulse.net/privacy Terms of Service: https://viralpulse.net/terms ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚠️ Notes ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Caption extraction may be limited for videos without captions. • AI rewriting, YouTube Studio AI suggestions, and viral analysis require Google sign-in. • Free plans may include usage or credit limits. • An internet connection is required. • Paid plans are available through the Viral Pulse website. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Create smarter YouTube content. Start with Viral Pulse today.