# Highlight tool does not highlight the text completely

**URL:** <https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97>\
**Category:** Technical Support\
**Created:** [June 27, 2020, 2:21pm UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97 "2020-06-27T14:21:25Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rabiraj](https://avatars.discourse-cdn.com/v4/letter/r/c37758/32.png) [@rabiraj](https://pdfjs.community/u/rabiraj)\
**Post date:** [June 27, 2020, 2:21pm UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97/1 "2020-06-27T14:21:25Z")

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Try to highlight the text Online Demo in the demo app and you will see that last character is only partially highlighted

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**Author:** ![Logan](https://yyz1.discourse-cdn.com/flex031/user_avatar/pdfjs.community/logan/32/13_2.png) [@Logan](https://pdfjs.community/u/Logan)\
**Post date:** [June 29, 2020, 4:48pm UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97/2 "2020-06-29T16:48:11Z")

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Hey there!

Could you please a more detailed description? Including a screenshot would be useful.

Thank you,  
Logan

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**Author:** ![rabiraj](https://avatars.discourse-cdn.com/v4/letter/r/c37758/32.png) [@rabiraj](https://pdfjs.community/u/rabiraj)\
**Post date:** [June 30, 2020, 12:39am UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97/3 "2020-06-30T00:39:30Z")

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![highlight_bug](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/b0fa54929efa44b13afa53b546b1525df82e645a.jpeg)

Pls see the attached image specifically, Online Demo, which I am trying to highlight. Pls notice that o is not completely highlighted.

To replicate, you can simply run the demo program provided.

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<div class="post-metadata">

**Author:** ![Logan](https://yyz1.discourse-cdn.com/flex031/user_avatar/pdfjs.community/logan/32/13_2.png) [@Logan](https://pdfjs.community/u/Logan)\
**Post date:** [June 30, 2020, 2:38pm UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97/4 "2020-06-30T14:38:56Z")

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Hey there,

Text position bugs are a function of the [PDF.js open source core](https://mozilla.github.io/pdf.js/), which we do not support.

Thanks,  
Logan

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<div class="post-metadata">

**Author:** ![Logan](https://yyz1.discourse-cdn.com/flex031/user_avatar/pdfjs.community/logan/32/13_2.png) [@Logan](https://pdfjs.community/u/Logan)\
**Post date:** [June 30, 2020, 2:38pm UTC](https://pdfjs.community/t/highlight-tool-does-not-highlight-the-text-completely/97/5 "2020-06-30T14:38:59Z")

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