There might he a tool to export your bookmarks to a good standard - I'll look around. I doubt you're the first to look for this! Edit: chrome offers to export

There might he a tool to export your bookmarks to a good standard - I'll look around. I doubt you're the first to look for this! Edit: chrome offers to export to html - might be a better start! You can then turn that into txt or copy paste what you're interested in!