:: God's Metadata Remover
:: ======================
::
:: This script requires the following free, open-source binaries:
::
::   FFmpeg (ffmpeg.exe) - https://ffmpeg.org/
::   ExifTool (exiftool.exe) - https://exiftool.org/
::   ImageMagick (magick.exe) - https://imagemagick.org/
::
:: Usage:
::
::   remmeta file.mp4
::
 
@echo off
 
setlocal enabledelayedexpansion
 
set "vid_ext=.avi;.mkv;.mov;.mp4;.webm"
set "img_ext=.avif;.jpeg;.jpg;.png;.webp"
set "doc_ext=.pdf"
 
set file=%1
set ext=%~x1
 
for %%e in (%vid_ext%) do (
    if /i "%%e"=="%ext%" (
        ffmpeg -i %1 -map_metadata -1 -c copy %~n1_tmp%~x1
        del %1 && ren %~n1_tmp%~x1 %~n1%~x1
        goto :done
    )
)
 
for %%e in (%img_ext%) do (
    if /i "%%e"=="%ext%" (
        magick %1 -strip %1
        goto :done
    )
)
 
for %%e in (%doc_ext%) do (
    if /i "%%e"=="%ext%" (
        exiftool -overwrite_original -All= %1
        goto :done
    )
)
 
echo ERROR - Invalid file type: %~x1
 
:done