Converber converts everything from length and force to flow and temperature. Gives immediate access to all categories or single category.

Favorites menu to bookmark your frequently-used conversions, find/search, shows either common or all units, converts as you type, includes equation editor to add your own custom units, can change the number of significant digits of the output, option to select decimal-point precision, inverts selected units with the quick swap feature, displays the category to give further information, converts left-to-right or right-to-left, runs stand-alone/portable using no DLL files or registry settings, remembers last window position (if desired), extensive help file, transparency all in 185 kB.