Friday, July 22, 2011
How to change multiple file extensions at once
If all files are located in one directory, I mean without any sub directories. Then its very simple.
Open a command window, enter into your directory and type ren *.pdf *.tif
this will change all files with extension .pdf to .tif.
or
You can create a txt file copy ren *.pdf *.tif and save it into your directory where the files are located. Change the file extension .txt to .cmd and run it. Done !ren *.* *.png
NB – All files in folder WILL change to .png!!
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Tool: If you have a directory full of files that need to be changed from .PNG to .JPG, it’s going to take forever to do this using the method above. That’s where you need a freeware application that can batch change file extensions for you.
Extension Renamer is a simple to use, freeware program that I have tested and contains no spyware, etc. Once you install it, it’s a piece of cake to change file extensions!
First, click Select Directory and choose the directory that contains all of the files that you want to modify. You have the option of including subdirectories also. Then you search for files with particular file extensions that you want to change. The *.* means that it will change ALL files to the new extension.
You can type in your the extension you want to change, such as .TXT in the From box along with an asterisk (*) or question mark (?) to help filter down the files. Click Search and the files that will be changed show up in the left box. Once you are satisfied, go ahead and click GO! Now all of your files will have their extensions renamed.
Suggestions are always welcome...! Without signing also you can send your comments.
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