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

1.
参考までに, ともかく
used to emphasize that what you are about to say is only your opinion or suggestion and may not be very important or useful
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For what it's worth, I think you did a great job.
参考までに、あなたは素晴らしい仕事をしたと思います。
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I'm not sure if this helps, but for what it's worth, here's my advice.
これが役立つかわかりませんが、参考までに、私のアドバイスです。