ClipAngel has a LOT of features - the "Clip" menu has 19 items all on its own - and it's not immediately clear how all of them work. But the basics are easy enough to pick up, and if you need this level of power it's well worth spending
Default global hotkey to open ClipAngel - ALT+V. You can change it and find other hotkeys in Settings window. Application does not modify Windows files or registry (except you check Autostart option). To free disk space you can delete catalogs with unneed