Can you tell me a software or a service(website) that I can download/visit in order to convert my .PNG file that I created in Inkscape to a .ICO file so that I can use it for my application icon?
I preferably want a software rather than a website.
Use the freeware Greenfish Icon Editor, found here: http://greenfishsoftware.blogspot.co.uk/2012/07/greenfish-icon-editor-pro.html
It is a rather good program
Format Factory Software Which i used to converts .PNG to .ICO.
GIMP is free, and you can save it (the PNG file) as .ico on File-Save as, if you use GIMP 2.8 the way is FIle-Export, and then save it into icon. I had try this before and it works
I use @icon sushi version1.21. You can get it at http://www.towofu.net/soft-e/.
you can use online website like http://www.convertico.com or http://www.converticon.com/
You can use this website: http://www.convertico.com/
It works for all Operating Systems and you don't have to install it!
You can use two softwares below,
IcoFX and the link below describes how to do it -
and also by ImagIcon software -
You can also use WinFF. I switched to it from FormatFactory because it's portable.
you can try Format Factory http://www.formatoz.com/ it's safe and free!