Batch rename file extensions

Simple but can be very useful.

  1. Open up a command prompt
  2. Go the file folder containing the files you need to rename
  3. Enter this: ren *.(current extension name) *.(extension you want)
  4. If done correctly it will rename all the file extensions to the specified one!


ren *.jpg *.png <<< this will rename all jpg extensions found, to png extensions.

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