Published by Qoppa Software

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Why chat with our AI qPDF Viewer Free PDF Reader Support?

  1. Our AI is availaibe 24/7, to help you solve any pressing challenges.
  2. You'll get immediate access to a support assistant specifically trained on support materials of qPDF Viewer Free PDF Reader.
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What users are saying

1. Text reflow is a feature which allows you to zoom in your PDF text BUT you don't have to scroll your text document to left and right when reading.Even not much features on the free version, this pdf reader is really good to read book with many pages using its reflow fearures.

2. But on my 5'' phone it shows everything on split screen (showing the annotate/search bit) on without being able to remove it (no X).Text reflow option doesn't work properly! Two three sentences get mixed up sometimes.. However overall you understand what you are readingPDF documents only fill half the screen.

3. Install it if you want to lose your work to an app that hasn't been updated in 5+ years.Best for reflow and loading very large pdf files.

4. Super app!This is the only PDF reader app that I know that has text reflow features.

5. I want an explanation of why what I paid for is gone with QPDF notes ProUpon launch, the app presents tldr Eula and terms.

6. I used it for paperwork all the time, this free version doesn't allow that or editing of PDF files.

7. And then can't reflow the text.

8. I just need a PDF reader which supports reflow.

9. Thanks again.I downloaded the free version of this app so that i could post this warning to others.

10. This is a good replacement to Foxit reader after its upgrade to not so good Foxit PDF editor.

11. This is the 4th or 5th viewer I have downloaded and the only one that does not crash when Ioading my sheet music for singing.

Steps to Troubleshoot & Fix qPDF Viewer Free PDF Reader Issues

1. Fix qPDF Viewer Free PDF Reader Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart qPDF Viewer Free PDF Reader: Restarting the app will resolve most errors.
  2. Update the qPDF Viewer Free PDF Reader App. Here is how:
    1. On Android goto PlayStore » Search for "qPDF Viewer Free PDF Reader" » Open qPDF Viewer Free PDF Reader » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for qPDF Viewer Free PDF Reader » click "UPDATE".
  3. Clear qPDF Viewer Free PDF Reader app cache: Clearing cached data will force your app to retrieve the latest data directly from qPDF Viewer Free PDF Reader servers.
    1. On Android, goto Settings » Apps » Select "qPDF Viewer Free PDF Reader" » click Storage » click "Clear Cache".
  4. Check qPDF Viewer Free PDF Reader app permissions. If any of these permissions required to use your device's features are disenabled, qPDF Viewer Free PDF Reader might not work.
  5. Uninstall and reinstall qPDF Viewer Free PDF Reader. If nothing else has worked, completely uninstall qPDF Viewer Free PDF Reader then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing qPDF Viewer Free PDF Reader not working


2. Fix qPDF Viewer Free PDF Reader Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make qPDF Viewer Free PDF Reader be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to qPDF Viewer Free PDF Reader not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, qPDF Viewer Free PDF Reader may not be able to connect to the Internet when running in the background.

Reported Issues

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