Membuka file pdf di web browser tanpa perlu mengunduh

View PDF files in Firefox without downloading them Using a PDF reader plugin If you'd rather not use PDF Viewer, you can use a PDF reader plugin like Adobe Reader, Nitro PDF Reader or Sumatra PDF. To change from using the built-in PDF viewer to your PDF reader plugin: Click the menu button New Fx Menu and choose Options. Select the Applications panel. Find Portable Document Format (PDF) in the list and click on it to select it. Click on the drop-down arrow in the Action column for the above entry and select Use PDF reader name (in Firefox).