These “jar grips” are a quick and easy low-tech solution. I usually use two of them — the red “cone” one for the lid plus the blue square to grab the jar — and in almost all cases, I can get the lid off without the pain and frustration I normally experience. I typically use them on things like jars of preserves, pickles, olives, salsa, etc …

https://www.amazon.com/Prepworks-Progressive-Grips-Multi-Purpose-Openers/dp/B00F67TLFC