Jamie recommended SN-025 for DuPont connectors. Crimps enough so that connectors fit inside the plastic shells without putting up a fight, which is something that SN-28B would often cause. Have been happily using SN-025 ever since …
https://www.amazon.com/dp/B08D67L3YS
I used to hate crimping. But, over time, with the right tools and some practice/experience it’s become tolerable. Useful skill if you’re likely to keep making, breaking and repairing things…
IWS-2820M mentioned by Jason has been helpful for various situations too, including getting a crimp started for more specialized tool.