TGen TGen is an easy to use utility that resizes images to a uniform size and generates thumbnails at the same time. Great utility for digital camera owners. Email your pictures or post them on the web. ... Cost: $29 Buy full version       Trial version       Publisher: Mediasafe Systems Inc.     Descriptions TGen: TGen is an easy to use utility that resizes images to a uniform size and generates thumbnails at the same time. Great utility for digital camera owners. Email your pictures or post them on the web. TGen has an easy to use Drag and Drop interface.