Am I a good candidate for alar base reduction and/or tip plasty? (photos)

Thank you for your questions and for sharing your photographs.
To assess if your nasal base is too wide, one needs to see your nose and eyes from the front view. If you drop a line from the inner corners of your eyes, it should be just touching your nasal alar margins. If alar margins are much wider than the distance between these lines, then you would benefit from alar base reduction.
I would suggest that you consult with an expert rhinoplasty surgeon and discuss what you do and do not like about your nose.

You should expect a full detailed examination of your nose is required to assess your nasal skin, cartilage, bony structures, and your nasal airway/ breathing. This will allow the surgeon to evaluate your nasal appearance and its relation to your facial features.

The use of manipulated (morphed) digital clinical photography provides a platform for discussion as to your desires and expectations. Such images are not a guarantee of exact results, but a great tool to ensure that you and your surgeon are on the same wavelength.
Best wishes,