Today I came with a small Windows tip on how to batch rename file extensions in windows.

How To Steps:

1. Open Command Prompt – > Go to Run and type CMD
2. Navigate to the folder were you want to Batch Rename File Extensions.

3. Now type
rename<space>*.*<space>*.file extension

E.g.: rename *.* *.jpg

4. Now it will rename all the files in the folder with .jpg extensions.

[How To] Batch Rename File Extensions in Windows