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How can I show the remaining characters of a textarea in Adobe Acrobat fillable pdf?

New Here ,
Dec 19, 2018 Dec 19, 2018

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I want to make a text area in an upcoming fillable pdf that has a limit of 250 characters. I would like to have below it a reference that shows the remaining characters left for that text area.  Please see the picture example below.

question.JPG

Thank you for your ideas and knowledge!

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Acrobat SDK and JavaScript , Windows

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Community Expert ,
Dec 19, 2018 Dec 19, 2018

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You can use a custom Keystroke script to get the current length of the field's value and reduce that number from its character limit.

I've developed something similar to that in this (paid-for) tool I've developed: Custom-made Adobe Scripts: Acrobat -- "Live" Characters and Words Counter

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LEGEND ,
Dec 19, 2018 Dec 19, 2018

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See Countdown Maximum Length Input | for a sample form by D. P. Story.

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