MP3Ext is an extension for the Windows Explorer.
It enhances it, so you can get information in many ways:

• A PropertyPage is installed, where you can fully edit the ID3-Tag
• An icon-handler for individual icons is included too
• Tooltips, when you simply leave the mouse over the MP3-file (only with IE4.0 Active Desktop)

The features in more detail are:

• install/uninstall feature
• running on Win95 / WinNT 4.0
• multithreaded
• easy to use GUI
• editing of multiple files
• ID3v2 support: this includes unlimited strings, classic support, ...
• automatic generation of the ID3-tag from the filename
• exporting the information in a file or clipboard
• customizable Tooltips
• it's giftware