ChatGPT can certainly be helpful, but the usual warnings apply: it will gladly spew complete nonsense from time to time.
Mokuro is pretty popular in these parts to make reading manga easier on computers, although I haven’t used it myself: Mokuro: Read Japanese manga with selectable text inside a browser
If you read physically you won’t be able to use Mokuro obviously, in this case you may find this took useful: https://kankan.pt/
It’s basically like jisho but it lets you search for partial kanji. So imagine if you encounter 科学 and you don’t know the word or the 科 kanji, but you can tell that there’s the 禾 radical in it so you can find it this way:
This is also useful if you see super complicated kanji that can be hard to read either because they’re too small and blurry or in a weird font. 憂鬱 may be hard to read, but you can probably tell that the first kanji has 夂 and the 2nd has 木 and 彡, so you can use:
But frankly the main tool you’ll need at first is a lot of patience. Reading is very slow at first, don’t get frustrated, take it one step at a time and don’t hesitate to “cheat” with an English translation if it becomes too hard or just if you want to check your understanding.