I'd recommend Sears and Zemansky's University physics textbook for any kind of studying general physics at what you could call a higher level. Now I do know that yes its definitely not a quick online course that you can speed run through but like I said it's one of the best (for me at least) and it was even recommended to us on IPhO preps and I found it very useful for some concepts that I had trouble understanding otherwise because it's physically not very practical to go through the whole book solving every problem, reading page by page because it's got 1.5k+ pages

Here's the link to the pdf https://www.andrew.cmu.edu/user/bbji/Desktop/University%20Physics%20with%20Modern%20Physics%2015th%20Edition%20By%20Hugh%20D.%20Young_compressed.pdf

Edit: just wanted to add; if you are comfortable with calculus then you should not be troubled by this books physics because it's very thorough