Update file modification dates by days, hours, minutes, or seconds. Specify a single file or all files in a folder. Increase or decrease the "Date Modified" field of the specified file(s). Specify number of days, hours, minutes, and/or seconds to add or remove from the existing file modification times. Useful for synchronizing the date and time stamps of pictures taken with multiple cameras. Adjust timestamps for time zone differences, daylight savings time differences, and other time synchronization problems. Easy to use. Works with all file types. Free without restrictions.