The simplest and most reliable application or method for editing digital photo EXIF data

I got following question from somebody.

I have a photo that was taken in 2006 and for some reason the EXIF 'date taken' value has been modified to a date in 2011. Being a Virgo I need order, and this goes to the extent of having ALL of my photos correctly sorted by date in Picasa!

I've heard that some freeware EXIF editors can cause conflicts with other applications. Does anyone know of a reliable editor that will allow me to change the 'date taken' value without compromising the other data and without me having to spend any money?

Here’s the simple answer for above.

Just download and run FNC at https://strcpy.com/tag/FNC. It automatically rename date time based file name with batch process. You can select file name format with subject.