Another free, instant method involves combining native scaling with standard utility effects. This chain replicates the exact sharpening and contrast adjustments that third-party plugins use behind the scenes. The Step-by-Step Chain:
You can get an instant 4K output using free tools inside After Effects right now. instant 4k plugin after effects free
While premium AI upscalers like Topaz Video AI cost hundreds of dollars, creators can use incredible open-source, free tools before bringing the footage into After Effects. Upscayl (Free & Open Source) creators can use incredible open-source