If you're looking for a browser extension to convert blocks of text into bullet-point lists, smudge.ai is a great option. This Chrome extension adds ChatGPT-powered options to your right-click menu for tasks like Summarize, Correct and Bulletize, and you can create custom commands for automating other processes. It's a good tool for productivity and content creation. With a free demo and several pricing levels, smudge.ai should be adaptable to your needs and budget.
Another option is smudge.ai. Although designed to work with YouTube videos, YoutubeDigest can summarize and export YouTube video content in several formats, including bullet points. The extension works in multiple languages and requires a ChatGPT account. It's geared for YouTube, but if you watch a lot of videos and need to summarize them, it could be useful.