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Turn Low-Resolution Footage into Sharp 4K Video

By Anamta Shehzadi·Published September 28, 2026·Technology

Turn Low-Resolution Footage into Sharp 4K Video

7 Best AI Video Upscalers to Use in 2026

If you have ever tried to reuse old footage in a new project, you know the problem. The clip is fine, the moment is right, but it was shot in 720p on a phone from 2016, or pulled from a screen recording, or handed over by a client as a compressed export. Drop it on a 4K timeline and it turns to mush. Re-shooting is not an option. Traditional sharpening filters just make the blur crunchier.

That is the gap AI video upscalers now fill. Instead of stretching pixels, they use trained neural networks to reconstruct detail frame by frame, so a soft 1080p clip can come out as a clean 4K file that holds up on a large display. What used to require a render farm and a specialist now happens in a browser tab or a desktop app.

The catch is that the market has split into two very different camps: heavyweight desktop suites that demand an expensive subscription and a powerful GPU, and online tools with wildly different credit systems. Picking the wrong one either wastes money or wastes an afternoon.

This guide walks through seven of the best AI video upscalers available in 2026, starting with the one that offers the fastest path from upload to finished 4K file, then covering the desktop, cloud and open-source alternatives so you can pick based on your footage, your budget and how often you need it.

What Is an AI Video Upscaler?

An AI video upscaler is software that increases a video’s resolution using machine learning rather than simple interpolation. Classic resizing looks at neighbouring pixels and averages them, which is why enlarged video looks blurry. A neural upscaler has been trained on millions of paired low-resolution and high-resolution frames. When it sees a soft edge, a face or a texture, it predicts what the missing detail most likely looked like and rebuilds it.

Modern tools also handle the problems that come bundled with low-resolution footage: compression blocks, noise, flicker between frames and colour banding. The best ones keep results temporally consistent, meaning the reconstructed detail does not shimmer or crawl from one frame to the next.

Where it matters in practice:

The tools below all do this core job. They differ in where the processing happens, how you pay and how much control you get.

7 Best AI Video Upscalers to Use in 2026

1. VideoUpscaler

VideoUpscaler is a browser-based AI video upscaler built around one idea: you should be able to upload a clip, pick an output resolution and download a sharper version without installing anything, configuring a GPU or reading a manual. The heavy lifting runs on cloud GPUs, so the result is the same whether you are on a MacBook Air, an office laptop or a workstation.

The workflow is deliberately short. You sign in, drop a video onto the page, choose 1080P, 2K or 4K, and start the job. The service shows progress as it runs, and when it finishes you can compare the original and the upscaled clip before you save the file.

Key features

How the free tier works

The free credits are enough for a short clip at 1080P, so you can check how the model treats your specific footage rather than a demo reel. Videos processed on an account that has never made a purchase carry a small VideoUpscaler watermark in the corner. As soon as you buy a plan or a credit pack, that watermark disappears from your output.

Pros

Cons

Pricing

Credits are consumed per second of output, and higher resolutions cost more per second. Roughly speaking, 1,000 credits cover about 16 minutes of 1080P output or about 5.5 minutes of 4K.

New accounts start with 10 free credits, so you can see a real result on your own footage before choosing a plan. Full details are on the VideoUpscaler pricing page.

Best for: marketers, creators and small teams who need reliable 1080P to 4K upscaling on demand, without owning the hardware or learning a professional suite.

2. Topaz Video AI

Topaz Video AI is the reference point for desktop video enhancement. It is a Windows and Mac application that bundles a large library of proprietary models for upscaling, denoising, deinterlacing, stabilisation and frame interpolation, with fine-grained control over each.

Key features

Pros

Cons

Pricing: Personal is $299 per year (shown as $25 per month on an annual commitment) or $59 month-to-month. Pro, which adds commercial licensing, is $699 per year. Topaz Video is also included in the Topaz Studio bundles from $399 per year.

Best for: post-production professionals with strong hardware who need maximum control and use the tool every week.

3. HitPaw Online Video Enhancer

HitPaw offers both a desktop suite and an online video enhancer. The online version runs in the browser and follows a credit model, with an unusual weekly plan aimed at people who have one project to finish.

Key features

Pros

Cons

Pricing: Weekly at $9.99 for 300 credits (up to 600 seconds of video enhancement), Monthly at $24.99 for 1,200 credits (up to 2,400 seconds), Yearly at $79.99 for 3,000 credits (up to 6,000 seconds).

Best for: casual users who need a single short video enhanced and do not want a recurring subscription.

4. TensorPix

TensorPix is a cloud platform that combines video enhancement with generative image and video tools. It is priced on a credit system where one credit covers roughly two minutes of enhanced video, and it offers a genuinely free tier.

Key features

Pros

Cons

Pricing: Free plan at $0. Standard at $5.50 per month with 10 credits, Premium at $12.42 per month with 35 credits, Elite at $30.25 per month with 110 credits, all billed annually. Extra credits cost $0.80 to $3 each depending on the tier.

Best for: hobbyists and occasional users who want a cheap, browser-based option and can live with modest monthly allowances.

5. AVCLabs Video Enhancer AI

AVCLabs Video Enhancer AI is a desktop application for Windows and Mac that focuses on restoration as much as upscaling. Alongside resolution enhancement it offers denoising, face refinement, colourisation of black-and-white footage and colour correction.

Key features

Pros

Cons

Pricing: $39.95 per month for the Video Enhancer AI licence. Annual and lifetime licences are also sold, with terms that vary by promotion.

Best for: people restoring archives, home video collections or historical footage on a desktop machine.

6. Cutout.pro Video Enhancer

Cutout.pro is an online AI toolbox whose video enhancer is sold through prepaid minute packages. The same credits also cover its video background removal, AI video generation and photo animation tools.

Key features

Pros

Cons

Pricing: 1 minute for $9, 3 minutes for $24, 5 minutes for $39, 15 minutes for $108, 45 minutes for $299, up to 330 minutes for $1,299.

Best for: agencies already using Cutout.pro for other AI tasks who want occasional enhancement without another subscription.

7. Video2X

Video2X is a free, open-source video super-resolution and frame interpolation framework. It wraps well-known models such as Real-ESRGAN, Real-CUGAN, Anime4K and RIFE, and version 6 added a Windows GUI so it is no longer command-line only.

Key features

Pros

Cons

Pricing: Free and open source under the AGPL licence.

Best for: technically confident users, anime fans and anyone who wants to experiment with models without spending money.

How to Choose the Right AI Video Upscaler

The right answer depends less on which tool has the most features and more on how you actually work. Here is what to weigh.

Where the processing happens. Desktop tools such as Topaz and AVCLabs give you offline processing and unlimited renders, but only if you own a strong GPU and are willing to leave it running. Cloud tools such as VideoUpscaler and TensorPix remove the hardware question entirely and work on any laptop, which matters if the person doing the upscaling is a marketer rather than an editor.

How often you need it. If you upscale every day, a professional desktop subscription may pay for itself. If you need it for a campaign this month and nothing next month, a credit-based service where you pay for the minutes you process is cheaper and far less hassle.

What resolution you really need. Not every deliverable needs 4K. Upscaling to 1080P or 2K is cheaper on every credit-based tool and often enough for social feeds and internal presentations. Tools that let you choose the target per job, rather than forcing a single output, save real money.

Your footage type. Anime and illustrated content behave differently from live-action video. Video2X and AVCLabs have dedicated anime models. For interviews, events, product video and phone footage, a general-purpose model with a natural look is usually the better choice.

Free trial quality. A watermarked or preview-only trial tells you almost nothing. Prefer tools that let you run your own clip through the real pipeline before paying, even if the trial is short. Ten seconds of your actual footage is worth more than a polished demo reel.

Batch and team use. If several people will touch the tool, or you have a folder of clips to process, look for batch queues and a workflow simple enough that nobody needs training.

Conclusion

AI video upscaling has moved from a specialist trick to a routine step in content production. In 2026 the question is no longer whether the technology works, but which tool fits your workflow. Topaz Video AI and AVCLabs remain the choice for professionals with strong hardware and time to tune results. Video2X gives technical users a free path. HitPaw, TensorPix and Cutout.pro cover casual and occasional needs with different credit models.

For most marketers, creators and small teams, the practical answer is the one that removes the most friction: a browser-based service with clear pricing, real 1080P to 4K output and a free trial on your own footage.

Ready to see what your old footage can look like? Start with VideoUpscaler, upload a clip, and download a sharper 4K version in minutes. No software, no GPU, no editing skills required.