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Hex to Text in flow

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Posted on by Skybluekid

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Is there a way to convert a Hex String,coming from a HTTP Request, to Text in a Flow?

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tlraghavendra 22 on at

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Hi @Skybluekid

Yes, you can convert a Hex String to Text in a Power Automate flow. You can use the "Compose" action to convert the Hex String to a byte array, and then use the "Data Operations - Compose" action with the expression base64ToString(outputs('Compose')) to convert the byte array to Text. This will give you the Text representation of the Hex String in your flow.

Regards,
Raghavendra

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Skybluekid 262 on at

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Hi @tlraghavendra
I am being a bit slow, I am struggling with the first compose action on how to convert the Hex String to byte array.

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VictorIvanidze 13,081 on at

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Hi @tlraghavendra
There exists such thing as "byte array" in Power Automate? Really?
Where can I read about that?

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Chriddle 8,708 Super User 2026 Season 1 on at

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I can't see what base64 has to do with this 🤔

Hex2Ascii (Compose)

Add more values from Ascii table

{ "21": "!", "30": "0", "31": "1", "41": "A", "42": "B", "61": "a", "62": "b", "63": "c" }

Select

From

chunk('6162633031', 2)

Map

outputs('Hex2Ascii')[item()]

Compose

join(body('Select'), '')

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