07. Convert all BMP under folder (including subdirectories) to JPG

XnView Browser: Tools-Batch conversion, configuration, output can export the bat script, the script is used Nconvert.exe here can be bulk conversion folder including subfolders, but not only the specified format (BMP format);
So write a bat yourself.

  
 

   
  

  
@rem 作用：把文件夹下的所有的bmp文件转成jpg格式;nconvert的命令语法是从XnView导出的;
   
  

  
@rem 用法：
   
  

  
@rem 其他：
   
  

  
@rem 2015/12/20 周日 14:34:30.37
   
  

  
@echo off&SetLocal EnableDelayEdexpansion&cd /d "%~dp0"
   
  

  

   
  

  
set "nconvert="D:\programs\Mexe\nconvert.exe""
   
  

  
set "folderbmp=e:\videos\鬼步舞\*.bmp"
   
  

  

   
  

  
set n=0
   
  

  
for /f "eol= delims=" %%a in (‘dir !folderbmp! /b /s ‘) do (
   
  

  
 set /a n+=1
   
  

  
 !nconvert! -npcd 2 -size 256x256+0 -ctype rgb -corder inter -out jpeg -D "%%a"
   
  

  
)
   
  

  

   
  

  
echo !n! 个bmp文件
   
  

  

   
  

  
pause
  
 

From for notes (Wiz)

07. Convert all BMP under folder (including subdirectories) to JPG