It's easy: Group conversion of images in the "View"

Oddly enough, even some experienced makovody underestimate the utility «View» (Preview), which since the days of the king of peas is part of the regular set of software OS X. Its name is deceptive: the program has sufficient funds group editing, including converting files in batch mode.

For example, to overtake several PNG-images in JPEG, you need to perform four simple steps:

1. Highlight the box in the file manager PNG-file group and open it in "View".
2. Once the files are opened, select them all in the sidebar on the left by pressing command + A or by clicking in the main menu on the team Edit> Select All (Edit> Select All).
3. Now call the menu command File> Export selected image (File> Export Selected Images).
4. In the Export dialog in the dropdown list Format (Format) select JPEG and click Select (Choose)To keep open the image in the "dzhipege".

Similarly, there is an operation, and other formats. And download in the "View" it is possible files in multiple formats mixed. The main thing that all of them are supported by the utility. And do not forget

Housekeeping tip. If you develop your skills in the work with the program AutomatorDo not forget about the action Change the image format (Change Type of Images), Available in the category Photos (Photos) common action library. With the help of batch conversion of images can be simplified even to a single mouse click.