YouTubeDigest is a subscription-based extension for Firefox that utilizes ChatGPT AI to provide concise summaries of YouTube videos. This tool is designed to enhance productivity by allowing users to preview video content before watching. It offers various summary formats, including quick summaries, bullet points, and detailed article-style overviews, catering to different user preferences. Additionally, it enables users to customize their summaries by selecting specific time ranges and translating content into multiple languages.

The extension requires a ChatGPT account for operation and currently summarizes videos with transcripts only. Users can export summaries in PDF, DOCX, or plain text formats for easy sharing. With ongoing updates, it continually improves its functionality and expands language support, making it a versatile tool for anyone looking to streamline their YouTube experience.