converter.bat

@echo off
REM
setlocal enabledelayedexpansion

REM Ensure the input and output folders exist
if not exist "input" mkdir "input"
if not exist "output" mkdir "output"

REM Loop through all .webm files in the input folder
for %%f in ("input\*.webm") do (
    REM Extract the filename without the path and extension
    set "filename=%%~nf"

    REM Run ffmpeg command to change color range and save to output folder
    ffmpeg -i "%%f" -bsf:v vp9_metadata=color_range=tv -c copy "output\!filename!.webm"
)

echo Conversion complete!
pause