In a Windows environment, bulk modification of file extensions is simpler, as long as you enter them at the command line:
ren *.jpeg *.jpg
Can.
However, the Mac is a lot more difficult. Although the main file name can be modified in bulk under the Finder since version 10.10, the batch extension modification is not supported.
So, query on the network, find a gadget, really good use, the name is Namechanger.
Please refer to:
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, enter the original extension on the left, and the new extension on the right. Then, click on the button "Rename". After that, the named result appears as shown:
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This article is from the "Green Peak" blog, please make sure to keep this source http://zhuxianzhong.blog.51cto.com/157061/1762082
Handy batch file extension modification tool for Mac