Best Adobe Flash Player PPAPI Alternatives in 2025

Looking for alternatives to Adobe Flash Player PPAPI? In this comparison, we take a closer look at Adobe Flash Player PPAPI alongside similar software solutions including Adobe Flash Player PPAPI, Adobe Flash Player NPAPI, Adobe Flash Player ActiveX, Macromedia Flash, Waterfox, Pale Moon, Cent Browser, Chaos Cosmos Browser and LibreWolf.

Our detailed comparison table highlights key features, pricing, and performance of these leading solutions, empowering you to make an informed decision. Whether you're seeking robust functionality, user-friendly design, or cost-effective alternatives, explore how Adobe Flash Player PPAPI, Adobe Flash Player NPAPI, Adobe Flash Player ActiveX, Macromedia Flash, Waterfox, Pale Moon, Cent Browser, Chaos Cosmos Browser and LibreWolf stack up to find the perfect software for your goals.

	Security	Platform and Browser Compatibility	Unique Features & User Experience
Adobe Flash Player PPAPI	Regular updates and latest security patches, but still has some frequent vulnerabilities and security concerns.	Supports Chromium-based browsers; supports desktop platforms; lacks support for mobile devices.	Pepper Plugin API version of Flash Player offering better performance in Chromium-based browsers with prompt updates for multimedia content playback.
Adobe Flash Player NPAPI	Has security risks and frequent vulnerabilities with some malware attacks; deprecated after 2020.	Supported on Linux and macOS; compatible with most web browsers but deprecated after 2020; lacks support for some modern systems.	Legacy NPAPI plugin allowing rich media and interactive content in older browsers before widespread HTML5 adoption.
Adobe Flash Player ActiveX	Known security vulnerabilities and frequent exploits; limited support; considered a security risk.	Available mainly for Windows OS and Internet Explorer; limited support on other browsers and operating systems.	ActiveX plugin mainly for Internet Explorer enabling multimedia content with better integration in Windows environment but limited modern support.
Macromedia Flash	Several security vulnerabilities and risks; discontinued due to security and compatibility issues.	Supported on most web browsers in the past; discontinued and replaced by newer technologies; compatibility declined over time.	Original multimedia platform with ActionScript scripting, used extensively for animations, games, and web applications before being replaced by Adobe Animate and HTML5.
Waterfox	Open-source with focus on user privacy; no telemetry data collected; receives updates but slower bug fixes than mainstream browsers.	Supports 64-bit systems on Windows, Linux, macOS; compatible with most Firefox extensions but not all newer ones; no official mobile version.	Customizable open-source browser emphasizing user privacy without telemetry, supporting Firefox add-ons and offering a balance between performance and ethics.
Pale Moon	Open-source with emphasis on security features and user privacy; slower bug fixes and less frequent updates than mainstream browsers.	Supports 64-bit Windows, Mac, Linux systems; supports legacy Firefox add-ons but not all Firefox extensions due to browser differences.	Highly customizable open-source browser optimized for efficiency with strong community-driven feature add-ons and user privacy focus.
Cent Browser	Includes built-in ad blocker and VPN enhancing security and privacy during browsing.	Windows platform focused; supports Chrome extensions through Chromium base; includes mobile version available.	Feature-rich Chromium-based browser including built-in ad blocker, VPN, mouse gestures, lazy session loading, customizable tabs, designed for efficiency and convenience.
Chaos Cosmos Browser	Privacy-focused browsing mode, built-in VPN, but limited compatibility and minimal support.	Based on Chromium engine; supports Chrome extensions; available on Windows, Linux, macOS but with limited compatibility.	Focuses on privacy features like ad-blocking, built-in VPN service, simple UI with easy navigation but has minimal user intervention options and limited compatibility.
LibreWolf	Strong focus on privacy and security features with additional extensions to block trackers; frequent security patches; no telemetry data.	Available for Windows, Linux, macOS, Android devices; based on Firefox but removes telemetry and enhances privacy features.	Privacy-enhanced fork of Firefox removing telemetry/data collection by default with added privacy add-ons pre-installed to protect users against trackers automatically.

Security

Adobe Flash Player PPAPI	Regular updates and latest security patches, but still has some frequent vulnerabilities and security concerns.
Adobe Flash Player NPAPI	Has security risks and frequent vulnerabilities with some malware attacks; deprecated after 2020.
Adobe Flash Player ActiveX	Known security vulnerabilities and frequent exploits; limited support; considered a security risk.
Macromedia Flash	Several security vulnerabilities and risks; discontinued due to security and compatibility issues.
Waterfox	Open-source with focus on user privacy; no telemetry data collected; receives updates but slower bug fixes than mainstream browsers.
Pale Moon	Open-source with emphasis on security features and user privacy; slower bug fixes and less frequent updates than mainstream browsers.
Cent Browser	Includes built-in ad blocker and VPN enhancing security and privacy during browsing.
Chaos Cosmos Browser	Privacy-focused browsing mode, built-in VPN, but limited compatibility and minimal support.
LibreWolf	Strong focus on privacy and security features with additional extensions to block trackers; frequent security patches; no telemetry data.

Platform and Browser Compatibility

Adobe Flash Player PPAPI	Supports Chromium-based browsers; supports desktop platforms; lacks support for mobile devices.
Adobe Flash Player NPAPI	Supported on Linux and macOS; compatible with most web browsers but deprecated after 2020; lacks support for some modern systems.
Adobe Flash Player ActiveX	Available mainly for Windows OS and Internet Explorer; limited support on other browsers and operating systems.
Macromedia Flash	Supported on most web browsers in the past; discontinued and replaced by newer technologies; compatibility declined over time.
Waterfox	Supports 64-bit systems on Windows, Linux, macOS; compatible with most Firefox extensions but not all newer ones; no official mobile version.
Pale Moon	Supports 64-bit Windows, Mac, Linux systems; supports legacy Firefox add-ons but not all Firefox extensions due to browser differences.
Cent Browser	Windows platform focused; supports Chrome extensions through Chromium base; includes mobile version available.
Chaos Cosmos Browser	Based on Chromium engine; supports Chrome extensions; available on Windows, Linux, macOS but with limited compatibility.
LibreWolf	Available for Windows, Linux, macOS, Android devices; based on Firefox but removes telemetry and enhances privacy features.

Unique Features & User Experience

Adobe Flash Player PPAPI	Pepper Plugin API version of Flash Player offering better performance in Chromium-based browsers with prompt updates for multimedia content playback.
Adobe Flash Player NPAPI	Legacy NPAPI plugin allowing rich media and interactive content in older browsers before widespread HTML5 adoption.
Adobe Flash Player ActiveX	ActiveX plugin mainly for Internet Explorer enabling multimedia content with better integration in Windows environment but limited modern support.
Macromedia Flash	Original multimedia platform with ActionScript scripting, used extensively for animations, games, and web applications before being replaced by Adobe Animate and HTML5.
Waterfox	Customizable open-source browser emphasizing user privacy without telemetry, supporting Firefox add-ons and offering a balance between performance and ethics.
Pale Moon	Highly customizable open-source browser optimized for efficiency with strong community-driven feature add-ons and user privacy focus.
Cent Browser	Feature-rich Chromium-based browser including built-in ad blocker, VPN, mouse gestures, lazy session loading, customizable tabs, designed for efficiency and convenience.
Chaos Cosmos Browser	Focuses on privacy features like ad-blocking, built-in VPN service, simple UI with easy navigation but has minimal user intervention options and limited compatibility.
LibreWolf	Privacy-enhanced fork of Firefox removing telemetry/data collection by default with added privacy add-ons pre-installed to protect users against trackers automatically.

Choosing the right software isn’t just about features. Size, license type, user ratings, and popularity also matter.

This quick comparison shows how Adobe Flash Player PPAPI stacks up against Adobe Flash Player PPAPI, Adobe Flash Player NPAPI, Adobe Flash Player ActiveX, Macromedia Flash, Waterfox, Pale Moon, Cent Browser, Chaos Cosmos Browser and LibreWolf in these key areas—helping you find the best alternative for your needs.

	Size	License
Adobe Flash Player PPAPI	1.2MB	Demo
Adobe Flash Player NPAPI	1.2MB	Freeware
Adobe Flash Player ActiveX	1.1MB	Freeware
Macromedia Flash		Shareware
Waterfox	66.5MB	Shareware
Pale Moon	34.4MB	Freeware
Cent Browser	92.5MB	Freeware
Chaos Cosmos Browser		Shareware
LibreWolf		Shareware

Size

Adobe Flash Player PPAPI	1.2MB
Adobe Flash Player NPAPI	1.2MB
Adobe Flash Player ActiveX	1.1MB
Macromedia Flash
Waterfox	66.5MB
Pale Moon	34.4MB
Cent Browser	92.5MB
Chaos Cosmos Browser
LibreWolf

License

Adobe Flash Player PPAPI	Demo
Adobe Flash Player NPAPI	Freeware
Adobe Flash Player ActiveX	Freeware
Macromedia Flash	Shareware
Waterfox	Shareware
Pale Moon	Freeware
Cent Browser	Freeware
Chaos Cosmos Browser	Shareware
LibreWolf	Shareware

Rating

Adobe Flash Player PPAPI
Adobe Flash Player NPAPI
Adobe Flash Player ActiveX
Macromedia Flash
Waterfox
Pale Moon
Cent Browser
Chaos Cosmos Browser
LibreWolf

Popularity

Adobe Flash Player PPAPI
Adobe Flash Player NPAPI
Adobe Flash Player ActiveX
Macromedia Flash
Waterfox
Pale Moon
Cent Browser
Chaos Cosmos Browser
LibreWolf