No need to search for multi file hereafter  Download nd install cywinDownload here  * create a folder in c drive  c/Newfolder Name the folder as MyWork or any   * copy the single file firmware into created folder   * Delete the.md5
extension for example if yur file isi9300xxx xxx.tar.md5 ---> i9300xxx xxx.tar  
* Extract the firmware using winrar  * Im trying on 4.4.2 i9500 single firmware I9500XXUFNC1_I9500ODDFNC1_I9500DDUFNA4_HOME  Run cygwin  Enter below given commnd   cd /cygdrive/c/mywork 
(Tis cmmd is for show the file path)  
  * Now yu hav to createBootloader,PDA,MODEM,CSC  
Extracted files:  boot.img
 cache.img
 hidden.img
 modem.bin
 param.bin
 recovery.img
 sboot.bin
 system.img  
* NoW Bootloader files areboot.img,param.bin,sboot.bin  
* PDA --->boot.img,param.bin,sboot.bin,recovery.img,system.i  mg  
* CSC --->cache.img, hidden.img  
* Modem ---->modem.bin   
Run below given cmmds to create Bootloader (
command:tar -H ustar -c filename.img > filename.tar) 
 tar -H ustar -c boot.img param.bin sboot.bin > BOOTLOADER_I9500XXUFNC1.tar  
For PDA  tar -H ustar -c boot.img param.bin sboot.bin recovery.img system.img > PDA_I9500XXUFNC1.tar  
For CSC  tar -H ustar -c cache.img hidden.img system.img > CSC_I9500DDUFNA4.tar  
For MODEM  tar -H ustar -c modem.bin > MODEM_I9500ODDFNC1.tar   
   NoW yu are done creating Odin flashable Tar files.   
   If yu want to convert  tar to MD5  Commands :  md5sum -t filename.tar >> filename.tar 
 mv filename.tar filename.tar.md5  
Example:  Run below given command after create .tar file example below  For Bootloader  md5sum -t BOOTLOADER_I9500XXUFNC1.tar >> BOOTLOADER_I9500XXUFNC1.tar 
 mv BOOTLOADER_I9500XXUFNC1.tar BOOTLOADER_I9500XXUFNC1.tar.md5  
For PDA  md5sum -t PDA_I9500XXUFNC1.tar >> PDA_I9500XXUFNC1.tar 
 mv PDA_I9500XXUFNC1.tar PDA_I9500XXUFNC1.tar.md5  
For CSC  md5sum -t CSC_I9500DDUFNA4.tar >> CSC_I9500DDUFNA4.tar 
 mv CSC_I9500DDUFNA4.tar CSC_I9500DDUFNA4.tar.md5  
For MODEM  md5sum -t MODEM_I9500ODDFNC1.tar >> MODEM_I9500ODDFNC1.tar 
 mv MODEM_I9500ODDFNC1.tar MODEM_I9500ODDFNC1.tar.md5  
