How to upscale video with FFmpeg?

Start with `scale=1920:-2:flags=lanczos`. Keeps ratios, top quality.

What does hqdn3d do in FFmpeg?

Denoises spatially and temporally. Params like 4:3:6:4.5 balance noise vs detail.

Two passes: detect with vidstabdetect, apply vidstabtransform. Zoom and smooth to taste.

Grainy phone footage? FFmpeg turns it into crisp 1080p gold. Here's the exact commands pros swear by, no subscriptions required.

theAIcatchup Apr 10, 2026 3 min read 11 views

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Originally reported by dev.to