Photoshop > Scripts > Hide All Layers
This simple script sets the visibility of all layers to off (invisible).
Download
To download this script, right-click (Ctrl-click on the Mac) on the link below, and choose "Save Target As".
Hide All Layers
Version: 2.0.0 (June 9, 2008)
Download for:
Photoshop CS2+
Installation
Download the script and copy it into your "Adobe Photoshop CS#/Presets/Scripts" folder.
After restarting Photoshop, the script should appear in the menu.
Tip: Did you know that you can use the command (Ctrl/Cmd+Alt/Opt+Shift+K) to assign keyboard shortcuts to your scripts? You can also record scripts within actions and then assign function keys to the actions.
If you use this script and find it useful, please consider supporting this site. Also, if need a custom script developed, contact me with the details and I'd be happy to provide you with a free estimate.