What is the upload size limit? November 08, 2017 13:41 The minimum requirement is 1000px at longest side. The maximum limit is 15MB. Related articles What is conversion rate? Can I migrate from Lite, Standard or Pro to the Essential or Premium plan? What is unlimited uploads? What size should images be? When a client wants to order, do they need to register first? Comments 0 comments Article is closed for comments.