Bulk Add Graded Cards

Ability to upload CSV of graded card certification numbers to pull from major grading companies. PSA API is publicly available and will pull all data about your specific card including photos. BGS also has some sort of avenue to pull card data, although pulling photos is another story. SGC might have some sort of access as well. Card Ladder is able to do it, so i dont see why you wouldnt be able to.

Bulk uploading of card photos would be great too.

the ability to Interchangeably import and export csvs for multiple card collection platforms would be a powerful tool.