I use https://slite.com https://slite.com - it's a very nice, clean modern markdown editor with keyboard shortcuts and ability to paste images from clipboard.

I use https://slite.com https://slite.com - it's a very nice, clean modern markdown editor with keyboard shortcuts and ability to paste images from clipboard. You categorize notes in collections and you can search them, export them to markdown or pdf, and work as a team. It has Slack integration as well if that's your thing. Highly recommended!