Free changing software for windows

Change PI is a high quality freeware snapshot-utility to track down changes on a drive. Change PI - Change Private Investigator - is a high quality freeware snapshot-tool designed to track down changes on a drive.
Simple and easy to use, less fancy or complex than many others out there.
No change will escape the eyes of the Change Private Investigator.
System requirements:
- bwcc.dll

Firefox extrension thar will work as an in-page currency conversion toolbar Change is a currency double-clic-conversion toolbar.
Once on a web site displaying amounts, select the currencies from and to which you need a conversion:
Then double click on any amount to display its equivalent right next to it (even when toolbar is hidden).
You can disable the insertion and only use the reading from the toolbar.
Major currency exchange rates are read once a day from the Central European Bank.
36 major currency exchange rates are read once a day from the Central European Bank, a source that one can trust !
Still works when you are offline using the last rates downloaded, warning you if they are outdated.
You may also disable the automatic insertion and only use the reading from the toolbar, or hide the toolbar and leave the automatic insertion.
Per-site currency setting memory : on your next visit to a web site, your currency settings for this web site will be set.
System requirements:
- Firefox: 1.5 ? 2.0.0

Did you ever want to rename file.xxx to file.yyy in Windows 95? You know the sequence - View, Options, deselect the Hide file extensions option, go back, rename the extension, click Yes to the warning that follows, then go and set the Hide file extensions back again. Install ChangeType and the sequence will be right-click the file, select Change Type, rename the extension and youre ready.