SafariSort will alphabetically arrange your Safari bookmarks with just one click. You can sort all folders, sub-folders and bookmarks in seconds. This will allow you to find what you need quickly. Version 2 allows you to choose how your folders should be sorted.
SafariSort is a Universal Mac app that has been tested on macOS 10.13 High Sierra and macOS 10.12 Sierra.
Version 2.0.2: