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Have you ever wished your favorite videos looked sharper and clearer on your 4K screen? It's frustrating to watch blurry or pixelated videos when your device can do so much better. Fortunately, with easy-to-use AI tools, you don't need to be a tech expert to upscale video to 4K. Whether you're creating content or just want your personal videos to shine, this step-by-step guide will help you bring your videos to life.
UniFab Video Upscaler AI is a powerful yet easy-to-use tool that can upscale video to 4K, 8K, or even 16K resolution with remarkable clarity. Leveraging advanced AI algorithms, it enhances fine details, sharpens images, and restores vibrant colors—delivering crisp, high-quality 4K results without requiring any technical expertise. UniFab supports batch processing and offers flexible customization options, making it perfect for both professionals and casual users on Windows and Mac platforms.
UniFab offers four specialized AI models tailored to different video types and user needs:
UniFab makes upscaling video to 4K easy and efficient, even for beginners. Just follow these simple steps to enhance your videos with professional-level quality.
Full feature access, without watermark!
Download and Install UniFab. Open it, select the ‘Upscaler’ module, then click ‘Add Video’ to upload the low-resolution video you want to upscale to 4K.
Set the resolution to 4K. Pick one of UniFab's AI models based on your video type. Optionally, customize other parameters such as codec, audio, and output format to suit your needs.
Click ‘Start’ to initiate the 4K upscaling process. UniFab will enhance and enlarge your video automatically.
CapCut is another AI-automated video upscaler that can upscale video to 4K with a simple interface and steps. With its AI algorithm, CapCut doesn't involve manual intervention or complicated steps for video upscaling. This fully automated tool is compatible with Windows and Mac and also has an online version.
We tested CapCut and found it easy to use with a straightforward interface, making it suitable for beginners, and it offers AI-powered automatic upscaling without requiring manual complexity. However, it tends to over-smooth facial features, resulting in an artificial or plastic-like appearance, and excessive sharpening may cause delicate details like hair to look unnatural or over-processed.
CapCut offers a straightforward and user-friendly way to upscale your videos to 4K using AI technology. Follow these simple steps to enhance your video quality quickly and easily.
Download & launch the CapCut tool on computer > choose “Start Creating” to begin a new season > hit “Import” to upload the low quality video for upscaling.
After dragging the video into the timeline, you can adjust various parameters, such as effect, filter, transition, etc. Select the “Adjustment” option and drag it to the timeline.
You will see the “Adjustment” settings in the right panel > adjust the color, brightness, saturation etc > to improve video quality go for the “Sharpen” effect > move the slider depending on your requirements.
After all the settings customization select “Export” > a window will be opened with “Export” settings > in the resolution drop down menu select 4K as the export video quality.
You can also select the frame rate to 60fps. Next, select “Export” > the tool will start the video upscaling process up to 4K > save the upscaled video in the selected folder.
To help you choose the right tool for upscaling video to 4K, here's a detailed comparison between UniFab and CapCut based on features, performance, and usability.
| Product | Resolution Support | Best For | Free Trial | Price |
| UniFab Video Upscaler AI | Up to 16K | Creators looking for high-quality results with minimal effort. | 30-day free trial for full features, without watermark. | Lifetime: $69.99 |
| CapCut Video Upscaler | Up to 8K | Casual users looking for a quick way to upscale videos. | The free version includes watermarks and limited upscaling capability. | Monthly: $19.99 Yearly: $179.99 |
When comparing UniFab and CapCut for 4K video upscaling, the difference in output quality is clear.
UniFab delivers highly detailed and natural-looking 4K videos. It restores fine textures like hair strands, skin pores, and eyelashes with remarkable precision, maintaining a realistic and clean aesthetic.
In contrast, CapCut tends to over-smooth facial features, often creating an artificial or plastic-like appearance. It may also apply excessive sharpening, causing delicate details like hair to appear over-processed or unnatural.
Verdict:
For professional-level 4K enhancement with realistic detail recovery, UniFab Video Upscaler AI is the superior choice.
When you know how to upscale to 4K with AI automation, it's time to pick the right tool for your video upscaling process. While selecting the tool, you must pick the one with maximum flexibility, customization, and editing options to make the most out of your video upscaling experience. For doing the with ultimate satisfaction UniFab Video Upscaler AI is the best one.
Yes, it is possible to upscale a video to 4K using advanced AI-based upscaling tools like UniFab. These tools enhance the resolution and add missing details to your original video, allowing you to enjoy sharper and clearer 4K-quality footage even if the source is in lower resolution.
Using UniFab Video Upscaler AI, you can upscale video to 4K at 60 fps. This tool lets you select the frame rate, resolution, bit rate, audio channel, etc. while upscaling and enhancing video quality.
To upscale to 4K for free, you can try video upscalers that offer free trials or limited free versions. For instance, UniFab provides a 30-day free trial with full features and no watermarks, allowing you to upscale videos to 4K with professional-quality results at no cost during the trial period.
While several tools offer online upscaling, there are limitations you should be aware of: CapCut provides a free online video editor that supports basic video enhancement. However, its online version can only upscale videos up to 2K, not 4K. Full 4K upscaling is only available in its desktop app.