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Ruffle

Free, open-source Flash Player emulator that plays old Flash (SWF) games and animations in modern browsers and on Windows, macOS and Linux – no Flash plugin needed.

by Ruffle (open-source project)

PRICEFree · open source

RUNS ONWindows, macOS, Linux, Web browser

ALTERNATIVE TOAdobe Flash Player (discontinued)

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About Ruffle

Ruffle is a free, open-source Flash Player emulator that lets you play old Flash (SWF) content – games, animations and interactive pages – now that Adobe Flash Player is gone. It is written in the Rust programming language and runs in modern browsers through WebAssembly, so it does not need the old Flash plugin.

Three ways to use it

Browser extension for Firefox and Chrome-based browsers: it detects Flash content on web pages and automatically swaps in the Ruffle player, with no setup needed.
Desktop app for Windows, macOS and Linux: open a .swf file from your computer and play it directly.
Website integration: site owners can add Ruffle to their pages so visitors can see old Flash content without installing anything.

Compatibility. Content made with ActionScript 1.0 and 2.0 (most older Flash games and animations) is well supported, and support for ActionScript 3.0 keeps improving. Some complex Flash files may not work yet.

Safer than old Flash. Flash Player was famous for security holes. Because Ruffle is built in Rust and runs inside the browser's sandbox, it avoids many of the memory-safety problems that affected the original plugin.

Ruffle is maintained by volunteers who want to preserve internet history, and it is completely free.

Key features

Flash Player emulatorPlays SWF games, animations and interactive content without the Flash plugin

Browser extensionAutomatically replaces Flash content on web pages in Firefox and Chrome-based browsers

Desktop playerOpens local .swf files on Windows, macOS and Linux

WebAssemblyRuns inside modern browsers with no plugin

ActionScript 1 and 2 supportWell supported, with growing ActionScript 3 support

Built in RustMemory-safe design avoids many old Flash security issues

Open sourceFree and maintained by volunteers

License and price

License type: Free · open source

System requirements

Operating system: Windows, macOS, Linux, Web browser

Good and keep in mind

Good

Completely free and open source
No Flash plugin or setup needed in the browser
Much safer design than the original Flash Player
Works in the browser and as a desktop app

Keep in mind

Some ActionScript 3.0 content does not work yet
Very complex Flash applications may behave differently than in the original Flash Player

Frequently asked questions

Is Ruffle free?

Yes. Ruffle is completely free and open source.

Can Ruffle replace Adobe Flash Player?

Ruffle emulates Flash Player in modern browsers using WebAssembly, so you can play old SWF games and animations without the discontinued Flash plugin.

How do I play Flash games in my browser with Ruffle?

Install the Ruffle extension for Firefox or a Chrome-based browser. It finds Flash content on web pages and runs it automatically.

Can I open a SWF file from my computer?

Yes. The desktop version of Ruffle for Windows, macOS and Linux can open .swf files stored on your computer.

Will every Flash file work?

Content using ActionScript 1.0 and 2.0 is well supported; ActionScript 3.0 support is still improving, so some newer Flash games may not run yet.

Is Ruffle safe?

It is designed to be much safer than the old Flash Player: it is written in Rust and runs inside the browser sandbox, which avoids many of Flash's classic security problems.

Other free alternatives to Adobe Flash Player (discontinued)

VLC Media PlayerWatching old Flash video (FLV) files · Windows, macOS, Linux, Android, iOSFree, open source HandBrakeConverting Flash videos to MP4 · Windows, macOS, LinuxFree, open source

GUIDEBest Free Alternatives to Adobe Flash PlayerAdobe Flash Player ended in 2020. Use these free alternatives to play old Flash (SWF) games and animations, watch FLV videos and convert them to MP4 \u2013 safely.