Currently, PDF-format documents are becoming quite popular and are used a lot more often. Therefore, there are quite a lot of software to support reading and converting this format (such as Foxit PDF Editor, Adobe Reader , Convert Word to Pdf ...). Even on Firefox and Chrome, there is a built-in automatic reading of this text.
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However, it is not always good and helpful, depending on the purpose of each user, whether this is necessary or not. Therefore, in this article, Download.com.vn will guide you how to disable the automatic reading of PDF documents on popular browsers today.
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For Chrome:
From the main interface of Chrome, you enter Chrome: // plugins / in the address bar and then Enter . In the list that appears below, find the Chrome PDF Viewer section and Disable it.

After disabling this plugin, Chrome's auto-reading of PDF files will be removed until we restart it.
![Turn off the automatic opening of PDF files on Chrome, Firefox Turn off the automatic opening of PDF files on Chrome, Firefox]()
On Firefox
Step 1: Also from the main interface of the browser, enter about: config in the address bar and then Enter . A warning appears, but there is no need to be too concerned about it, click I'll be careful, i promise - I'll be careful, I promise!
![Turn off the automatic opening of PDF files on Chrome, Firefox Turn off the automatic opening of PDF files on Chrome, Firefox]()
Step 2: A list of results appears as follows:
![Turn off the automatic opening of PDF files on Chrome, Firefox Turn off the automatic opening of PDF files on Chrome, Firefox]()
You continue to enter the keyword " pdfjs.disabled" in the Search box and Enter . There is only one result left, you can right- click on the row containing this value and then select Toggle to change the Value column from Fal to True.
![Turn off the automatic opening of PDF files on Chrome, Firefox Turn off the automatic opening of PDF files on Chrome, Firefox]()
Or you can double-click on the line to do so.
![Turn off the automatic opening of PDF files on Chrome, Firefox Turn off the automatic opening of PDF files on Chrome, Firefox]()
Do the opposite to enable this mode on Firefox. It is done!
From now on you can optionally adjust this automatic reading mode for your browser to get the best results when working.
I wish you successful implementation!