Just use the command below:
ffmpeg -i INPUT_FILE \
-vf scale=3840x2160:flags=lanczos \
-c:v libx264 \
-crf 13 \
-c:a aac -b:a 512k \
Santiago Ramirez SantiiRepair
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SantiiRepair
/ upscale_1080p_to_4k_using_ffmpeg.md
Created
May 9, 2026 02:31
— forked from luizomf/upscale_1080p_to_4k_using_ffmpeg.md
Upscale 1080p to 4k using ffmpeg