Invisible has just been updated to v1.1 in the Mac App Store.
its a huge improvement in usability (in my opinion), with the following improvements:

• the “Show Files” panel now shows a preview icon of the hidden files, instead of the generic icon – making identification of individual files quick and easy.
• doubleclicking on files in the “Show Files” view will now opens file in default application. (you no longer need to “Show” the file before making changes to it.)
• Quicklook previews of hidden files by pressing spacebar in “Show Files” view

get it now while its still on sale!
https://itunes.apple.com/us/app/invisible/id640379645?ls=1&mt=12

I have a brand new app available exclusively on the Mac App Store:
Invisible

Invisible was an app made of a necessity. My girlfriend likes to keep documents hidden on her computer, and used to “hide” them in nested folders, with obscure names. I figured I could help her out and make life much simpler for her.

I came up with Invisible.
All Invisible does is enables you to quickly hide documents/files/folders from view. This is done by conveniently dropping folders onto the Invisible “Drop Arrow”. Your files are now instantly hidden from view! you can easily re-show them by flipping the interface, selecting your files, and hitting the “Show” button. Simple!

Your files are kept safely away from view, and to top it off, Invisible is completely protected by a password of your choosing. So no snooping of hidden files by nosy kids/friends!

Now, I thought this was good enough…. my girlfriend thought it needed more work… So, I’ve actually just uploaded v1.1 to Apple for review, and added file preview, double-click (to open) and QuickLook support for files from the “Show” window. This version should be available soon on the App Store.

anyway, take a look, let me know what you think!
Invisible is available right now on the App Store for a special introductory price of only $1.99!
Invisible in the Mac App Store