

It does not store any personal data.Sumatra PDF is an open-source PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Microsoft Windows OS (runs on XP, Vista, 7 and 8). The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".

The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The same process can be used if you are using a portable copy of SumatraPDF PDF viewer but in that case you have manually pick the SumatraPDF EXE file in the Firefox settings. If you have configured Firefox to ask for download location then you will be asked for the download folder first and then it will launch SumatraPDF to open the downloaded PDF file.

Now if you click on a PDF link in Firefox, it will be downloaded and then opened in SumatraPDF.
