for what it's worth
US /fɔːr wʌt ɪts wɜːrθ/
UK /fɔːr wʌt ɪts wɜːrθ/

1.
pelo que vale a pena, de qualquer forma
used to emphasize that what you are about to say is only your opinion or suggestion and may not be very important or useful
:
•
For what it's worth, I think you did a great job.
Pelo que vale a pena, acho que você fez um ótimo trabalho.
•
I'm not sure if this helps, but for what it's worth, here's my advice.
Não tenho certeza se isso ajuda, mas pelo que vale a pena, aqui está o meu conselho.