How to Convert and Upscale Video to 4K Resolution with Ease [Updated]

In today's visually driven digital landscape, 4K video is crucial for increasing the impact and interaction of your content. It’s been a long time since people have viewed 360p SD, 720p, and 1080p HD videos, but now 4K UHD is becoming increasingly popular.

Actually, 4K Ultra HD refers to a resolution four times that of 1080p (Full HD), providing cleaner, more detailed images and videos. With 4K resolution, the video can be more visually attractive, especially when viewed on bigger screens. So, if you want to make your blurry video much clearer and more attractive, you can try a 4K resolution converter, a professional tool to convert video and upscale video resolution to 4K. How to achieve this? Don’t be confused. This post will help you deal with this issue in detail. Read on to learn how to enhance your video quality to 4K effectively and effortlessly.

Convert Video to 4K

Part 1. Convert Video to 4K on Windows/Mac

Aiseesoft Video Converter Ultimate

Aiseesoft Video Converter Ultimate is the best solution for converting videos in 1000 formats, supporting HD, 4K, and even 8K resolution. Its advanced AI algorithm and built-in video enhancer technology allow you to quickly transfer your low-resolution videos to higher-quality ones. Overall, you can have an amazing journey of video conversion and enhancement with Aiseesoft Video Converter Ultimate.

Video Converter Ultimate

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Video Converter Ultimate

  • Convert and upscale video to 4K, and even 8K.
  • Support 1000+ video formats: MP4, AVI, MOV, WMV, MP3, FLAC, WMA, etc.
  • Batch processing available.
  • 120× faster conversion.
  • Offer a rainbow of video editing filters.
  • Add a 3D effect to your video.
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How to use:

Step 1.
Launch Aiseesoft Video Converter Ultimate and click “Add File(s)” under the “Enhancer” tab to upload your video.
Step 2.
Choose “General Enhancement Model” and click “Preview” to check the rendering performance.
Step 3.
Click the “Output Resolution” drop-down and choose “4K”.
Step 4.
Click “Export All” to upscale your video to 4K without losing details.
Convert Video t 4k in Aiseesoft

Handbrake

With the help of Handbrake, an open-source video transcoder, you can easily convert common video types like MP4, MKV, etc. to 2K and even 4K resolution for free. It also functions as a free 4k upscaling program to make 4K videos. Besides, HandBrake provides the required customization options for video encoding and resolution modifications. It works with Windows, macOS, and Linux systems.

How to use:

Step 1.
Download and run Hanbrake. Click File on the left of the interface to choose the video you want to convert.
Click File in Handbraken
Step 2.
Once the video is loaded, you can select the export Format you want to convert your video to. You can also choose 4K resolution from the drop-down menu of Presets.
Convert Video to 4K in Handbrake
Step 3.
Before exporting, you can click Preview to check the output quality. If you are satisfied with the enhanced result, click the Start button to get a higher-resolution video.
Start Conversion in Handbrake

Overall, Handbrake is a nice tool for just stretching pixels and changing the resolution to 4K. But it is not an AI upscaler that can improve the quality of a low-res source file. It is a transcoder. And if you want to reconstruct details, you’d better try Aiseesoft Video Converter Ultimate’s built-in AI video enhancer.

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Adobe Premiere Pro

Adobe Premiere Pro allows editors to convert lower-resolution footage to 4K by creating a 4K sequence and scaling the clips to match the frame size. While Premiere performs basic upscaling natively, it can also round-trip footage to Adobe After Effects for access to the specialized "Detail-preserving Upscale" effect. This advanced effect intelligently increases resolution while analyzing and reconstructing edge details to maintain image sharpness. The tool is ideal for professionals needing a comprehensive workflow that combines traditional editing with high-quality resolution conversion.

How to use Adobe Premiere Pro to convert video to 4K:

Step 1.
Click “File” > “New” > “Team Project…”. Create your new sequence with a frame size of 3840 × 2160px.
Create 4k Project
Step 2.
Now import your video and drag it onto your timeline, where your sequence was created.
Step 3.
In the pop-up, click “Keep existing settings”.
Step 4.
Right-click the timeline and select “Scale to Frame Size”. Then, it will auto-upscale your video to 4K.
Upscale Video to 4 in Adobe

AVCLabs Video Enhancer AI

AVCLabs Video Enhancer AI is a powerful desktop application that utilizes deep learning algorithms to upscale low-resolution videos to stunning 4K and 8K resolutions. Beyond simply increasing pixel count, it intelligently analyzes frames to enhance details, reduce noise, and stabilize shaky footage for a clearer, more professional output. The software includes specialized AI models for face refinement, colorization, and motion compensation, making it an excellent all-in-one solution for restoring old home movies or enhancing modern digital footage.

How to use AVCLabs Video Enhancer AI to upscale video to 4K:

Step 1.
Import your video to AVCLabs.
Step 2.
Choose “AI Upscaler” under “Feature List”.
Step 3.
Select the “Ultra” model, which can present the best high-quality result.
Step 4.
You can also change the video brightness, saturation, contrast, etc.
Step 5.
Click “Video Size” drop-down and choose “4K (4096×2160).
Step 6.
Click “Start Processing” to convert your video to 4K.
Convert Video to 4k in avclabs

Part 2. FAQs about Video to 4K Conversion

What is the highest quality 4K video format?

The best video file formats for 4K videos contain MP4, AVCHD, and MKV. However, they are not the only choices available.

What are the minimum system requirements for 4K conversion?

To ensure smooth 4K video editing and upscaling, a high-performance computer is essential: you should use an Intel Core i7 or AMD Ryzen 7 processor (latest generation preferred), paired with an NVIDIA GTX 1660 series or better graphics card featuring CUDA support. Additionally, 16GB of RAM is the minimum requirement, though 32GB is recommended for heavy workloads, all supported by a fast SSD with ample storage space to handle large 4K file sizes.

Will 4K upscaling work on a 360p or 480p video?

Yes, it will work, but the results will not be cinematic. AI tools are excellent at restoring details, but they cannot create information that was never there. A 360p video upscaled to 4K will look significantly better than just stretching it, but it will still have more artifacts and lack the clarity of a video originally shot in 1080p or 4K.

Conclusion

Converting videos to 4K is an effective way to modernize your content for large screens and high-resolution displays. For the best balance of AI-powered quality and ease of use, Aiseesoft Video Converter Ultimate is recommended for general users, while professionals should utilize Adobe Premiere Pro for advanced control. If you require specialized AI detail reconstruction, AVCLabs Video Enhancer AI provides exceptional results.

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Video Converter Ultimate box

Video Converter Ultimate is excellent video converter, editor and enhancer to convert, enhance and edit videos and music in 1000 formats and more.

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