FXAA is an anti-aliasing plugin for After Effects, developed by Plugin Everything and listed as free in this catalog. Described as industry-standard anti-aliasing brought to After Effects, it applies anti-aliasing within your compositions.
First released as version 1.0 in April 2020, FXAA reached version 1.1 on May 6, 2022. That update introduced Multi-frame Rendering (MFR) support and shipped the plugin as a Universal binary for native Apple Silicon, allowing it to run natively on that hardware.
Compatibility spans a wide range of releases, from After Effects 2025 back through CS6, including 2024, 2023, 2022, 2021 and 2020, along with the CC 2019, CC 2018, CC 2017 and CC 2015 versions. A demo video is available, and the plugin is distributed on aescripts, where it ranks 24 in popularity.