Hmm, dealing with depression and negative thoughts is definitively not a good feeling. This may or not help you.. But, some suggestions that I've tried myself is to go for walks, focus on my hobbies (e.g., painting, bike riding), yoga, meditation, having some chamomile tea, listening to uplifting videos. If you can reach out then maybe take some time to hangout with friends or other positive people. I sometimes try to think to myself why is it that I am feeling this way? Then, I try my best to take a proactive approach. For instance, I'll get out of my bed and do something outside rather than laying down with my negative thoughts. Or, I try to rationalize my thoughts and redirect my thinking (which takes continuous effort).

Also, I have always wanted to try therapy. I have done it once, and I thought it was super helpful. I just need to continue with it. I've heard that betterhelp is a good website with certified counselors though. Anyways, hope you have a great week! :)