From Felwen Design:
Feel secure with EDA. Easily encrypt any file on your PC. EDA can encrypt any file on your PC using blowfish encryption. Keep your files viewable by only you and those you give the key. Got files, you don't want anyone to see. Use EDA to keep them un-viewable and safe. This easy-to-use application can put your mind at ease. Version 01.06 is a bug fixing release.