NoteGPT

NoteGPT is a web-based AI learning assistant (with a Chrome extension) for students, learners, educators, researchers, and creators who need faster summaries, notes, and study materials from existing content.

Key capabilities include:

• YouTube video summarization with transcript support and key insights for lectures, tutorials, and long-form content
• Multi-format summarizer for PDFs, articles/web pages, podcasts, audio, video, PPTs, and books to extract takeaways quickly
• Study and knowledge organization tools such as AI notes, a personal notes library, plus mind maps, flashcards, and diagrams/flowcharts
• AI chat and language help, including translation in 50+ languages, along with writing and research assistance

Pricing: offers a tiered subscription model starting with a free plan and paid plans of about $9/month (Pro), ~$20/month (Unlimited), and ~$69/month (Max), with higher tiers mainly increasing usage limits, processing power, and premium AI credits

Notable for combining summarization, transcription, study aids, and a personal knowledge library in one place, plus broad adoption claims of 80,000,000+ users and use by 12,000+ schools and teams.