IEFillForm this is easy and comfortable web form filler. It speeds up your work and allows to fill a web form and single fields with one mouse click. When it is turned on, it adds its own items in context menu of web page. You need to click with right mouse button within the web form or in the one of its fields and you will see standard context menu of the page with added items of IEFillForm.
Unlike other form fillers, IEFillForm allows to use cascade menus and also it is possible to turn it on/off "on the fly", without closing the Internet Explorer window.
Forms and fields are stored in XML file and can be processed in another programs. Also you can use several XML files and switch them during work through "Settings" dialog. The XML file can be placed anywhere, including protected folders and disks for secure reasons.
For more comfortable work, IEFillForm have its own toolbar on the Internet Explorer toolbar panel.
More details about using IEFillForm you can read on FAQ page.
How to buy IEFillForm you can read here.