If you have .swf files saved locally on your computer, you don't need a browser at all.
Ruffle even allows Flash content to run on iOS and Android browsers through WebAssembly, something the original Flash never mastered. Ruffle - Flash Emulator - Chrome Web Store Ruffle - Flash Emulator - Chrome Web Store. Chrome Web Store How To Install Ruffle Flash Emulator As a Browser Extension plugin ruffle download
Most Chromium-based browsers can use the version available on the Chrome Web Store . If you have
Download the for Windows, macOS, or Linux from the official site. Chrome Web Store How To Install Ruffle Flash
Ruffle is an open-source Flash Player emulator written in the programming language. Unlike the original Flash Player, it runs natively in modern browsers without the same security risks. How to Download and Install the Ruffle Plugin
Go to Firefox Add-ons and click "Add to Firefox" .
Firefox users have a dedicated version that integrates seamlessly.