This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox preview for pdf files doesn't show certain Cyrillic scripts.

  • 4 ردود
  • 3 have this problem
  • 3 views
  • آخر ردّ كتبه philipp

more options

Since pdf preview support was added in Firefox I can't find a solution for the missing Cyrillic letters in the preview of the pdfs which the software in my company generates. Other pdf software/browsers with preview don't have issues with the Cyrillic script regardless of localization and OS as the fonts are embedded in the pdf.

Can you please help with finding some documentation to use as a reference point for finding the solution for this issue?

Since pdf preview support was added in Firefox I can't find a solution for the missing Cyrillic letters in the preview of the pdfs which the software in my company generates. Other pdf software/browsers with preview don't have issues with the Cyrillic script regardless of localization and OS as the fonts are embedded in the pdf. Can you please help with finding some documentation to use as a reference point for finding the solution for this issue?

All Replies (4)

more options

Hello,

In order to change the default reader for PDF files (to not open PDF files with Firefox's internal PDF reader), follow these steps:

  1. Go to Tools > Options (or Firefox > Options).
  2. In the Options window, select the Applications tab.
  3. In the Search field, type PDF. You should find Portable Document Format (PDF).
  4. On the right handside you should find an Action column. Use that to select your favorite PDF reader. In order to view PDF files in Firefox, choose Preview in Firefox.

Did this fix your problems? Please report back to us!

Thank you.

more options

Thank you, iamjayakumars,

I'm aware how to change the default application in Firefox. The problem is not with my settings, but with the customer support overhead in my company: 40,000+ pdfs are previewed and 20,000+ pdfs are printed daily by customers in my company and I'm definitely looking for the solution of this.

more options

The latest version of the PDF viewer is available as an extension and does a better job than the 0.7.28 version shipped with Firefox 20.0 in a lot of cases.

You can find the latest version of the PDF Viewer (pdfjs) extension here:

more options

hello jassenjj, developers won't read here in the forums. please file a bug report at bugzilla.mozilla.org (Product: Firefox / Component: PDF viewer) & attach a sample file where the issue is occurring - then you'll have a greater chance of this bug being fixed.