Soft Clip In,
Sharp Clip Out
Yes, once. Inflyu's AI Video Upscaler makes a sharper, higher-resolution copy of a clip you already have, at 1080p and 4K, using Topaz Video AI. A free account needs no card and gets 20 sign-up credits once your email is verified; its one short video covers a 5-second upscale to 1080p or 4K. After that, credit packs start at $2.99 with no subscription.
For clips shot lower-res than the feed needs
Sharper output, priced per tier
Pick the resolution and length: the price follows both.
1080p or 4K
Two output tiers. 4K costs more because Topaz bills by output resolution.
5, 10, or 15 second tiers
Pick the length you need: price scales with both the tier and the resolution.
Topaz Video AI, paid runs from $2.99
Paid runs start at $2.99 (the entry pack); packs up to $59.99. Topaz Video AI has 6 priced tiers across resolution and length.
Pick the model
Topaz Video AI is the default. You can also pick Topaz Precision, ByteDance Upscaler or SeedVR2 on the same screen, with the price shown on each tile before you run.
Keeps the original
Output is a new file in your gallery. The source clip is not overwritten.
Register to run
No anonymous upscale. Credits and R2 storage need a user.
How do I upscale a video to 1080p or 4K with AI?
Follow these steps in the app.
Upload the clip
Choose a clip clearly smaller than the size you want: a source that would grow by less than 1.5 times is refused before any charge.
Pick the size and the length
Choose 1080p and 4K and a result length of 5, 10 or 15 seconds; a longer clip is cut to that length.
Check the price and run it
The price is shown before anything runs, and a failed run is refunded to your balance.
Download the new file
The upscaled clip is saved as a new file and your original is untouched.
Is there a free AI tool to upscale a video I already have to 1080p or 4K?
Yes, once. A free account (no card) comes with 20 sign-up credits once your email is verified, and its one short video covers a 5-second upscale to 1080p or 4K. Longer lengths and later runs use a credit pack, from $2.99 with no subscription. The free result carries a small "Made with inflyu" mark and a short Inflyu card at the end.
What is the best AI video upscaler for 1080p or 4K?
It depends on whether you want a free look or a finished clip. BetterVideo.ai says it runs in your browser, with no sign-up, and upscales up to 4K. Magic Hour lists a free preview of the first 3 seconds, and WaveSpeed AI gives eligible new accounts $1 in free credits, then pay-as-you-go. Inflyu upscales a clip to 1080p and 4K in 5, 10 or 15-second tiers, gives one short video free with a verified email, and sells credit packs from $2.99 with no subscription.
| Tool | Free to try | Works on your own clip | Needs a card | Output limit | Entry price | Bad at |
|---|---|---|---|---|---|---|
| Inflyu | A free account (no card) gets 20 sign-up credits once the email is verified; its one short video covers a 5-second upscale to 1080p or 4K; credit packs from $2.99 | Yes, you upload your own clip | No card to sign up. Packs are paid at checkout. | 1080p and 4K in 5, 10 or 15-second tiers; the output fits inside 1920 by 1080 or 3840 by 2160, turned upright for a portrait clip | Credit packs from $2.99, no subscription | A free account's one short video covers a 5-second upscale and carries a small "Made with inflyu" mark and a short Inflyu card at the end; any credit pack removes both on new outputs |
| WaveSpeed AI | Eligible new accounts get $1 in free credits, no card to sign up | Not stated (model API; upload a video) | No (no card to sign up; pay-as-you-go after) | Cost depends on resolution and duration; premium models may not run on trial credits | Pay-as-you-go per request, no fixed monthly price | Free credits are $1 and some premium models are excluded from them |
| BetterVideo.ai | Free; the page says nothing is uploaded, no sign-up is needed and the output is not watermarked | Yes (runs in your browser) | No | Upscale up to 4K | Free | Not stated |
| Magic Hour | First 3 seconds free, no sign up, up to 2x or 2K | Yes (upload a video) | No (selected tools usable without account or card) | Free accounts can do longer videos at 2x with credits; 4x and up to 4K need an upgrade | Creator $12/month billed yearly ($19 monthly) | Free preview is only 3 s |
Competitor facts come from each tool's own page, checked 1 Nov 2026.
Magic Hour alternative for upscaling a video to 1080p or 4K
Magic Hour's video upscaler page lists a free preview of the first 3 seconds with no sign-up, up to 2x or 2K; longer videos at 2x use credits on a free account, and 4x and up to 4K need an upgrade (Creator is $12 a month billed yearly). Inflyu's AI Video Upscaler upscales a clip to 1080p and 4K in 5, 10 or 15-second tiers, and a free account's one short video covers 5 seconds at 1080p or 4K. Pick Magic Hour for a quick look at the first 3 seconds without an account. Pick Inflyu if you want a 5-second result at 1080p or 4K from one free account, with no card and credit packs from $2.99.
Compare with Magic Hour on its own page.
Does an AI video upscaler look sharper, and what are the limits?
It can make a clip look sharper and larger, but it cannot bring back detail that was never recorded, and heavy compression in the source stays visible. Results are 1080p and 4K in 5, 10 or 15-second tiers, and a source already close to the size you pick is refused before any charge. A free account's one short video covers a 5-second upscale with a small "Made with inflyu" mark and a short Inflyu card at the end.
Limits today
- Results are 1080p and 4K in 5, 10 or 15-second tiers: a clip longer than the tier you pick is cut to it, and a clip over 3 minutes is refused.
- The output stays inside the size you pick (1920 by 1080 for 1080p, 3840 by 2160 for 4K, turned upright for a portrait clip), so a source already close to it is refused before any charge: it has to grow by at least 1.5 times.
- Upscaling sharpens and enlarges what is in the clip; it cannot bring back detail that was never recorded.
- A free account's one short video covers a 5-second upscale and carries a small "Made with inflyu" mark and a short Inflyu card at the end. Any credit pack removes both on new outputs.
- There is no anonymous run: you need a free account with a verified email.
What works best
- A clip well under the size you want, such as 720p going to 1080p or 4K.
- A clip with steady light; heavy compression in the source stays visible when the picture is enlarged.
- Trim the clip to the length tier you want before you upload it.
AI Video Upscaler FAQ
Can I process many videos at once?+
Yes. Process up to 10 videos at once at 1080p with the default model. Each video costs the same as a single run for its length; a free account can add 1.
How much does upscaling cost?+
Paid runs start at $2.99 (the entry pack); packs up to $59.99. Topaz Video AI has 6 tiers across resolution and length. The other models show their own price on each tile before you run.
Will it upscale a clip that is already high-res?+
If the source is already close to or above the tier you picked, the job is refused before any credit is charged. Pick the other tier or a smaller source instead.
Does it invent detail that was not there?+
Super-resolution adds plausible sharpness. It works best on clips that are soft, not on heavily compressed or tiny sources.
Do I get a free run without signup?+
No. Video jobs need an account for credits and storage. Registration itself is free.
Is there a free AI tool to upscale a video I already have to 1080p or 4K?+
Yes, once. A free account (no card) comes with 20 sign-up credits once your email is verified, and its one short video covers a 5-second upscale to 1080p or 4K. Longer lengths and later runs use a credit pack, from $2.99 with no subscription. The free result carries a small "Made with inflyu" mark and a short Inflyu card at the end.
How do I upscale a video to 1080p or 4K with AI?+
Upload a clip that is clearly smaller than the size you want, choose 1080p and 4K and a length of 5, 10 or 15 seconds, check the price shown on screen and run it. The upscaled clip is saved as a new file and your original is untouched.
What is the best AI video upscaler for 1080p or 4K?+
It depends on whether you want a free look or a finished clip. BetterVideo.ai says it runs in your browser, with no sign-up, and upscales up to 4K. Magic Hour lists a free preview of the first 3 seconds, and WaveSpeed AI gives eligible new accounts $1 in free credits, then pay-as-you-go. Inflyu upscales a clip to 1080p and 4K in 5, 10 or 15-second tiers, gives one short video free with a verified email, and sells credit packs from $2.99 with no subscription.
Magic Hour alternative for upscaling a video to 1080p or 4K+
Inflyu's AI Video Upscaler is an alternative when you want a whole short clip at 1080p and 4K rather than a preview. Magic Hour's page lists a free preview of the first 3 seconds, up to 2x or 2K, with 4x and up to 4K needing an upgrade. A free account at Inflyu needs no card, and its one short video covers a 5-second upscale to 1080p or 4K once the email is verified.
Does an AI video upscaler look sharper, and what are the limits?+
It can make a clip look sharper and larger, but it cannot bring back detail that was never recorded, and heavy compression in the source stays visible. Results are 1080p and 4K in 5, 10 or 15-second tiers, and a source already close to the size you pick is refused before any charge. A free account's one short video covers a 5-second upscale with a small "Made with inflyu" mark and a short Inflyu card at the end.
Do I need a subscription?+
No. You can pay as you go: credit packs are one-time purchases and their credits never expire. If you would rather have a steady supply, the monthly Starter ($9.99), Creator ($19.99), Pro ($49.99) and Brand ($99.99) plans refill your credits each month, and you can cancel anytime. Unused monthly credits do not roll over.
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