MagentoExtensions:Magento Extension Directory 1> Themes Switcher 2> Default Shipping On Cart 3> Upshare 4> Product Image Optimizer 5> Idealo Product Export 6> magento Google shopping Api v2 7>Google feed and facebook feed 8> Pdf upload in magento media wysiwyg 9> Product Image optimizer. If You want magento 2 extensions 1>Advance Layred Navigation(including SEO URL, Rating as filter, slider filter, Ajax Filtering), 2>Attribute Pages with SEO and Custom URL key(you can do all kind of seo on those pages with logos) 3>Improved Sorting (Enable users to view products by options as 'Best Sellers', 'Top Rated', 'Most Viewed' etc.) 4>Custom Stock Status(Add statuses to products automatically or manually, Create multiple custom stock statuses, Upload special icons for stock statuses) 5>Product Labels(Using this extension you can add any label to your produts on product page or category page) 6>Custom Order Number(Using this extension you can customize order, invoice, shippment, credit memo Number) 7>All type of file upload in Wysiwyg(pdf, zip, doc etc file upload in wysiwyg), 8>Infinite Scroll, 9>Multiple FlatRate Shipping, 10>Open Api,Google api for currency Rates, 11>Product Attribute's Description, 12>Store and Currency switcher according to Ip address Please Contact me and All those extensions are paid with installation and configuration are free support.