PhotoTeleport is a photo uploader supporting simultaneous uploads to multiple services. But it doesn't limit itself to upload bare picture files: each photo is accompanied by its caption, description and tags (according to each site's capabilities) in order to maximize its discoverability.
Support many photo sharing services: DeviantArt, Facebook, Flickr, Google Photos, VK.
Album selection, or creation of a new album (if the service supports it).
Fast editor for captions, descriptions and tags.
Possibility to specify different captions, descriptions and tags for each Web site.
Read metadata embedded in the image files.
On upload completion, provide a link to the newly uploaded files for additional editing or sharing.