Can any one make a basic web chatting software for me (client-client),please?using html,css,php or javascript...

Answer 1

no! but you can check the existing ones for inspiration and make your own learn those languages if you don't know them already.
https://code.sololearn.com/WtFXsv7tdPW0/?ref=app
https://code.sololearn.com/WGpy0FpMtfTf/?ref=app
https://code.sololearn.com/W61RYgM26h60/?ref=app
https://code.sololearn.com/WuCrsQVffTb5/?ref=app

Answer 2

I disagree strongly with Lord Krishna. I'll be more than happy to let you pay me to create one for you, especially because you asked nicely.

Answer 3

Pivoting on client-client...here's peer-to-peer chat using peerjs:
https://code.sololearn.com/WDN9qBzViaaW/?ref=app

They also have a demo on their website.

edit: Oh, wait! Payment! Awww, I already posted.