Exif is Meta data about digital photo files. Every photo you click using your digital camera contains Exif Meta data. Now you can use these Exif Meta data to rename files. You can use Date picture taken, Device maker and Device model and Date and time picture taken Exif data to rename your digital photos. You can choose your format using all these Meta data and rename them.

In renaming mask you can select the mask for your new file name. You can also give separator of your choice between these meta data. Application retrieves these Meta data from these Photo files and rename them.

You can also select the Date and Time format before inserting them in File name.

Some Exif data may contain colon (:) which is non file name character in Mac.

Here you can choose to replace the colon with any valid file name character so if exif data has colon in it, application replace colon with this character. To use this feature select the check box and give one character in input box.