PSPDFKit for Web (both Standalone and Server-Backed operational modes*) supports all commonly used browsers in their latest versions.
last two versions of Chrome
last two versions of Mozilla Firefox
last two versions of Safari
last two versions of Edge
You can see the exact list of browsers supported by PSPDFKit for Web 2024.1.3 on browserslist.dev
* Standalone mode renders PDF documents in the client browser, so rendering performance will depend on the host machine.
The only browser vendor currently supporting an LTS (Long Term Service) / ESR (Extended Support Release) version is Mozilla Firefox. See Firefox Extended Support Release for details.
We support the last available version of Firefox ESR.
All browsers without an LTSR (Long Term Service Release) require regular updates to new versions to fix security vulnerabilities.
Note that some LTS versions of Windows 10 ship without Microsoft Edge. We still support Microsoft Internet Explorer 11 for such systems.
Chrome on Android
Safari on iOS
As all of these browsers auto update, we test with the latest stable release. PSPDFKit for Web generally still works, even if you’re a few versions behind, as we are careful in adopting the latest web features for essential functionality and use polyfills for missing functionality.
PSPDFKit for Web includes the following polyfills to enable next-generation features on our target platforms:
The Standalone mode of PSPDFKit for Web uses WebAssembly to render documents. Please see our Real-World WebAssembly Benchmark to test the performance of your browser and OS, or learn more in the Performance guide.