To compress a PSD file, tinypsd uses one or more of the following lossless technics:
- it removes the cached data of the linked and embedded smart objects,
- it cancels the Maximize Compatibility option.
The compressed file is usually much smaller than the original one, yet it contains the full original data. A few simple steps are required, in Photoshop, to restore the file to its original state (see the above demo).
I developped this prototype for my own use, because backing up my work was becoming a nightmare. I am now wondering if it deserves to be scaled up. If you'd like to see this project move forward, please fill this short survey.