Eagle is a godsend - I had reached over 700 images in a single Google Drive folder and decided enough was enough. Tagging all the images took time, but now my Eagle library is synced to Google Drive *and* I can sort through the images easily and quickly. The library is now approaching 1500 images and Eagle is so snappy that I have no expectations of performance issues.
Seriously, if you have a bunch of images that need tags, Eagle is it. Especially for a generous trial and one-time purchase.
