To ensure the best experience, users can adjust settings to "Highest" within the video player.
As of January 1, 2026, Crunchyroll has officially ended its free, ad-supported streaming tier. A paid subscription is now required to watch anime on the platform. 4k_crunchyroll.txt
While some content might be upscaled, the majority of anime produced today and currently on the platform is capped at 1080P. Platform & Subscription Changes (2026) To ensure the best experience, users can adjust
Access to the library, including higher quality upscaled content, requires a subscription. Viewing and Quality Management While some content might be upscaled, the majority
The platform utilizes the WebGLShader API to take 1080P content and upscale it to 4K resolutions, allowing users with 4K monitors or TVs to view higher-fidelity content.
Crunchyroll does not natively stream in 4K for most content. Instead, they use a real-time AI upscaling algorithm called Anime4K within the browser/client-side.