jUploadr is a cross platform, cross-site photo uploader. It supports Windows, Linux, and Mac. It gives you the ability to easily set all properties of a photo before you upload it to Flickr.It also features batch editing, so you can upload a large amount of photos effortlessly.

Here are some features.

• Simple drag and drop interface. Just drop photos or folders of photos on the main window to add them.
• Edit photos individually or as a group.
• Fast, responsive UI
• Proxy support
• Allows editing of all Flickr photo metadata, not just privacy and tags
• PhotoSet creation on sites that support photosets
• Tag assistance, jUploadr downloads your tags for you and allows you to select them from a drop down menu rather than typing them in by hand.
• Multiple Accounts: jUploadr can authenticate and keep track of several accounts, allowing you to set your tags and descriptions once, and upload them to multiple sites

You can see screenshots here.

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