The short answer is yes; you can repair your HDMI cable by attaching a new HDMI connector.
Can u cut and join an HDMI cable?
It is impossible to splice a HDMI cable. the signal path, attenuation and various other components will be stuffed. I suggest use a female / female connector or buy a longer cable.
Can you make up your own HDMI cable?
Making custom HDMI cables has never been easier. Just grab one of our HDMI ribbon cables, then swap and switch any of our HDMI adapters on each end using the flex cable clips. There are options a-plenty! This version is a straight HDMI plug.
Can you splice 2 HDMI cables together?
We have found that it is possible to use two HDMI cables to connect to a TV by connecting the two cables together with either a coupler or an extender. If a coupler is used , the signal will be degraded, although the quality should still look the same. If an extender is used , the quality should be maintained.