After Effects Updated Free: Instant 4k Plugin

Though a paid tool, it is the industry standard for upscaling old footage to 4K/8K. It offers a free trial to test results.

Stop searching for magic plugins. Learn the native tools. They are faster, safer, and they actually work. instant 4k plugin after effects free

While the specific "Instant 4K" plugin by Red Giant is a paid product and was largely discontinued in favor of the Maxon/Red Giant Universe subscription, you can achieve professional-grade 4K upscaling in After Effects for free using powerful native tools and specific workflows. Though a paid tool, it is the industry