How to Change Multiple File Extensions in Windows

Steps to Change File Extensions

1. Accessing Folder with Files

   • Open the folder containing the files with .png extension.
   • Ensure file extensions are visible:
     • Go to View tab in the folder.
     • Click on Options.
     • Go to View tab in the Folder Options popup.
     • Uncheck Hide extensions for known file types.
     • Click Apply and OK.

2. Copy Folder Path

   • Navigate to the folder path address bar.
   • Left-click to highlight the path, then copy it using Ctrl+C.

3. Open Command Prompt

   • Press Start button, type cmd, and select Command Prompt to open.

4. Navigate to Folder in Command Prompt

   • Type cd followed by the copied folder path and press Enter.

5. Rename File Extensions Using Command

   • Use the ren command to change extensions:
     • Type ren *.png *.jpg and press Enter.

6. Verify Changes

   • Check the folder to ensure all file extensions have been changed from .png to .jpg.

Key Points

• Make sure file extensions are visible to change them.
• Use Command Prompt for batch file extension renaming.
• The ren command syntax: ren *.old_extension *.new_extension.

Tips

• This method works for any file type extension.

Closing

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