FFmpeg Linux static build with ASS_FEATURE_WRAP_UNICODE (Fix libass wasn't built with ASS_FEATURE_WRAP_UNICODE support). ffmpeg -y -i input.mp4 -vf subtitles=subtitles.ass:wrap_unicode=1 -c:a copy output.mp4 (Windows users don't need this. Try gyan's build https://www.gyan.dev/ffmpeg/builds/) - View it on GitHub