The best alternatives to Pixave are Uploadcare, Eagle, and Protonet. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Pixave?
AssemblyAI— Multilingual Speech-to-Text API with superhuman accuracy
Managify is an integrated platform for creating and organizing projects, notes, spreadsheets, bookmarks, passwords, files and calendar. It combines the organizational capabilities of Evernote with the comprehensiveness of document user interfaces of Microsoft Office.
PhotoBulk is a handy tool with all essential features for batch editing: add watermarks, resize photos, optimize images in a click, rename pictures in bulk.