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Upscale to 4K without re-generating

AI video looks soft at 720p and falls apart on a big screen. Upscale what you already generated instead of paying again for a 4K render.

Try it freeSee pricing

What makes it work

720p → 4K

Detail-aware upscaling that adds texture without the plastic look.

Artifact cleanup

Reduces banding, warping and face melt from low-step generations.

Batch

Queue a folder of clips and come back to a zip.

How to upscale to 4k without re-generating

  1. Upload your clipMP4 or MOV up to 500 MB.
  2. Pick a target1080p or 4K; optionally enable face restore.
  3. Queue the jobTypical 5-second clip takes 40–90 seconds.
  4. DownloadH.264 or ProRes.

Models that power it

4K

Kling 4.0

Kuaishou · $0.112/sec

Native 4K · Lip sync · 30-second clips
New

Veo 3.1

Google · $0.06/sec

8-second shots · Native audio · 1080p
Lowest cost

Hailuo H3

MiniMax · $0.047/sec

$0.047/second · 768p–2K · Expressive motion

Frequently asked questions

Can I upscale to 4K?

Yes, from any source resolution from 480p up.

Does it fix AI artifacts?

It reduces banding, warping and soft faces. It cannot invent detail that was never generated.

How long does it take?

About 40–90 seconds per 5-second clip at 4K.

Is there a free trial?

One short clip is free after sign-up.

Do you support batch upload?

Yes, on Pro and Business plans.

What formats?

MP4 and MOV in, H.264 or ProRes out.

Try upscale to 4k without re-generating free

20 credits on sign-up. No card required.

Start free

No credit card for the first clip.