Thumbnail Upscaler

AI YouTube Thumbnail Upscaler — 4K Quality with Face Enhancement

Drop in a low-res thumbnail. Pick 2×, 4×, or 4K. Get a crisp, gallery-grade result — with optional face enhancement.

3 credits / upscale · 5 free credits to startSee all tools

Upscaled output

Topaz · sharper, cleaner, bigger

Your upscaled image will appear here

Upload an image on the left and hit Upscale.

How it works

Three steps. No design background needed.

01
Upload a thumbnail at any resolution.
02
Pick the target — 2×, 4×, or 4K.
03
Toggle face enhancement for portraits. Download a crisper version.
What you get

Built for creators who ship every week.

Edge-aware sharpening

Lines, type, and logos stay crisp — no halos or blurry artifacts.

Face-enhance for portraits

Eyes, skin, and hair detail get a careful uplift without going uncanny.

Up to 4096×4096

Big enough for channel art, podcast covers, and downloadable assets.

FAQ

Questions, answered.

Does it work on anime or stylized art?

Yes — the model adapts to both photography and illustration.

How long does an upscale take?

2–6 seconds depending on target size and queue load.

Are there resolution limits?

Source up to 4096×4096; output up to 4×.

Ready to ship a better thumbnail?

1 free thumbnail when you sign up. No credit card, no subscription.

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