About Efficient Converter Studio

Efficient Converter Studio is one of the world's leading multimedia software providers of digital video and audio conversion solutions. It has a complete product line that can help you convert all popular video and audio formats for your music and movie enjoyment on almost all digital players.

Efficient Converter Studio is a wholly owned subsidiary of Efficient Software.

Contact Us

Customers' satisfaction is the best gift for us. So we welcome any question or suggestion about our products and website. Please do not hesitate to contact us. We'll try to help you as fast as possible, usually in one or two business days.

Tech support: support@efficientconverter.com
Any suggestions, comments, technical questions and bug reports, etc.

Sales cooperation: sales@efficientconverter.com
Any question about sales, order, pricing and discount information, license code, registration, and upgrade etc.

Recover Registration Code

If you have lost your registration code or find that your current code can't unlock an upgrade version, please contact us at sales@efficientconverter.com .