Show HN: Summarize – local-first tool that turns videos into notes (martino.im)

Summarize, an open-source tool, allows users to transform any video (URL or file) into actionable notes instead of mere summaries. Created to address the overwhelming amount of content available, Summarize effectively compresses lengthy materials like podcasts and lectures into concise notes, enhancing accessibility and retention. The tool utilizes a streamlined pipeline that begins with transcription, leveraging YouTube captions or OpenAI’s Whisper for audio processing, followed by chunking and interaction with a chosen language model (LLM) to produce the notes. This project is significant for the AI/ML community as it exemplifies the potential for local-first applications that prioritize user control over data and computational resources. Summarize supports multiple LLMs, enabling users to switch models effortlessly, and incorporates advanced features like visual mode for extracting insights directly from video content without transcription. With speed optimization techniques and the integration of external APIs like Perplexity for fact-checking, Summarize not only democratizes access to information but also significantly reduces costs associated with content summarization, reflecting a major step forward in developing user-friendly AI tools.