# Qr code reader library issue

**URL:** <https://community.thunkable.com/t/qr-code-reader-library-issue/2316193>\
**Category:** Questions about Thunkable X\
**Created:** [March 9, 2023, 8:32pm UTC](https://community.thunkable.com/t/qr-code-reader-library-issue/2316193 "2023-03-09T20:32:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![bibbi](https://avatars.discourse-cdn.com/v4/letter/b/db5fbb/32.png) [@bibbi](https://community.thunkable.com/u/bibbi)\
**Post date:** [March 9, 2023, 8:32pm UTC](https://community.thunkable.com/t/qr-code-reader-library-issue/2316193/1 "2023-03-09T20:32:27Z")

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hi

i’m trying to use a qr code scanner library din live preview it works but when i downloaded it doesn’t work anymore

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**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\
**Post date:** [March 9, 2023, 8:42pm UTC](https://community.thunkable.com/t/qr-code-reader-library-issue/2316193/2 "2023-03-09T20:42:04Z")

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Are you able to provide more information?

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**Author:** ![bibbi](https://avatars.discourse-cdn.com/v4/letter/b/db5fbb/32.png) [@bibbi](https://community.thunkable.com/u/bibbi)\
**Post date:** [March 9, 2023, 8:50pm UTC](https://community.thunkable.com/t/qr-code-reader-library-issue/2316193/3 "2023-03-09T20:50:50Z")

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hi

what i can it’s to give the link

[https://x.thunkable.com/copy/9dfc01d20007e9b1394333faa6d0cef0](https://x.thunkable.com/copy/9dfc01d20007e9b1394333faa6d0cef0)

update :

I changed library I now use quaggajs I can read barcodes in the webviewer but I want to read qrcodes (quaggajs would be compatible) but for now I can’t

I have to move on…

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [June 7, 2023, 8:50pm UTC](https://community.thunkable.com/t/qr-code-reader-library-issue/2316193/4 "2023-06-07T20:50:52Z")

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