Windows: Rename all files in a folder from *.* to *.jpeg

WINDOWS_batchFileRename.bat

@echo off
setlocal enabledelayedexpansion

REM Change this path to the directory where your files are located
set target_path=C:\path\to\your\directory

cd /d "%target_path%"

for %%f in (*.*) do (
    set "filename=%%~nf"
    ren "%%f" "!filename!.jpeg"
)

echo All files have been renamed to .jpeg
pause