There are a number of ways to manage tags in Drafts, but for quickly renaming and/or delete tags in bulk, the menu commands on tags in the filter list are a great option.
To use:
-
On iOS
- Swipe to the right on the draft list to expose filter view.
- Long-press on a tag in the list for options.
-
On Mac
- Show the filter list with the toolbar button.
- Right-click on a tag in the filter list.