To record an action, you'll need to use the actions palette. If the actions palette is not visible on your screen, open it by going to Window -> Show Actions.Notice the arrow at the top right of the actions palette. This arrow brings up the actions menu shown on the right.
Actions MenuClick the arrow to bring up the menu and choose New Set. An action set can contain several actions. If you've never created actions before, it's a good idea to save all your personal actions in a set. Give your new Action Set a name, then click OK.
Next, choose New Action from the menu. Give your action a descriptive name. After you click OK, you'll see the red dot on the actions palette to show you're recording.
For this example I'm going to record an action to rotate an image. Go to edit and choose the rotate command, then go to the actions palette and hit the stop button (the black square).
Now you have an action!
To use the action in batch mode, you would go to File -> Automate -> Batch. You'll see the dialog box below:
In the dialog box, simply select the set and the action you just created. For the source, choose the folder that contains the images you want to process. For the destination, choose another folder for Photoshop to output the rotated images. (You can choose "Save and Close" to have Photoshop save them in the source folder, but I don't advise it... it's too easy to make a mistake. It's much safer to use two folders and then delete the original files after you've made sure your batch processing was successful.) For errors you can either have the batch proccess stop, or create a log file of the errors. When you hit OK, you can just sit back and watch while Photoshop does all the work for you!
Once you have an action and you know how to use the batch command, you can use it anytime you have several photos you need to rotate. You could even do an another action to resize a folder of images.
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