A copy of the PDF can also be saved via the 'Save copy' button on the top right, allowing you to open the PDF in a third-party reader, if desired. The functionality is live for us on Google Chrome ...

Primarily, this new PDF viewer provides a more integrated experience with the rest of Files by Google. In the top bar, you have the ability to star a document, as well as share.

Previously available in the Firefox betas, the HTML5-based PDF viewer has now made it into the stable release with the launch of Firefox 19 for Windows, Mac and Linux today.

A prominent source of Google leaks, AssembleDebug, first spotted this two-page PDF viewer layout within v2.23.407.1 of Google Drive for Android a couple of weeks ago.

Files by Google support for PDF documents is set to get a shot in the arm with Android 15, gaining new built-in tools like zoom and search.