snap2tzx(1) on Linux
The text f8dcd5e8ac15, as Debian 9 (Stretch) shipped it.
Convert ZX Spectrum snapshot to .tzx tape images
Flags it lists
-
-$ -
--help -
--version -
-1 -
-2 -
-V -
-b -
-g -
-h -
-l -
-o -
-r -
-s -
-v