.ZED File

The zed file extension mainly known to be used for metainfo files based on BitTorrent’s  .torrent file structure.

Most likely some minor data file used by some BitTorrent clients (uTorrent, BitTorrent etc.).

How to open:

These files are loaded along with the torrent file it self and not opened separately.

How to convert:

It is unlikely that you can convert this type of .zed files to anything useful.