Firefox's PDF viewer renders each page of a PDF to an HTML canvas. It's definitely computationally heavier when the PDF consists of full-page images (like scans of old books); I would expect no problems with basic PDFs consisting of mostly text and a few embedded images. Is there any pattern like that?

Do you get any messages about the tab crashing? Or outside of Firefox, does Window mention that your graphics driver crashed and was reloaded?

No... nothing outside of firefox. It works fine in other browsers. It's just firefox. Also another problem is when I hit enter on a search, sometimes it works, though sometimes it just doesn't work and stay on the screen and I need to spam click and enter for it to search

Firefox's PDF viewer renders each page of a PDF to an HTML canvas. It's definitely computationally heavier when the PDF consists of full-page images (like scans of old books); I would expect no problems with basic PDFs consisting of mostly text and a few embedded images. Is there any pattern like that? Do you get any messages about the tab crashing? Or outside of Firefox, does Window mention that your graphics driver crashed and was reloaded?

Here's what happens to pdfs

Could you try disabling Firefox from using hardware acceleration? This is a potential workaround for incompatibilities between Firefox and your graphics card/chipset driver software. This article describes where to make that change: Firefox's performance settings. This will take effect the next time you exit Firefox and start it up again. Any difference?

Since hardware acceleration improves the appearance of fonts and animations, you may want to check whether graphics card/chipset driver updates are available for your system. This article suggests safe ways to do that: Upgrade your graphics drivers to use hardware acceleration and WebGL.

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