Useful Tips to Improve the Quality of Your Videos and Photos

How to Upscale Videos to 4K without Losing Quality

"When I try to upscale a video, it gets even blurrier. How do I upscale a video without losing quality?"

With the proliferation of high-resolution displays, the demand for 4K video content has grown tremendously in recent years. However, not all video content is shot or available in 4K resolution. There are different methods and techniques available to upscale lower-resolution videos to 4K, but this process can often result in a loss of quality. In this article, we will explore how to upscale videos to 4K without losing quality, including the tools and techniques needed to achieve the best possible results.

upscale videos without losing quality

Part 1: Understanding of 4K Resolution

4K resolution, or 4K for short, refers to a display resolution of approximately 4000 pixels horizontally, which provides incredibly high image quality. In comparison to 1080p Full HD resolutions, 4K offers four times as many pixels, which is 3840 x 2160 pixels, and provides much greater detail and clarity in the picture. This type of resolution is commonly found in new televisions, computer monitors, and cameras.

However, due to its high-resolution requirements, it requires higher-end hardware to view properly. This includes a 4K compatible TV, a 4K capable devices such as a streaming media player or gaming console, as well as an internet connection that supports the necessary bandwidth for streaming 4K content.

Part 2: Why Videos Become Blurred After Being Upscaled

Videos can become blurred after being upscaled due to several reasons:

Lack of information: When a video is upscaled, the software has to add extra pixels to fill in the gaps between the existing pixels. If the original video was low resolution or blurry, there may not be enough information for the software to accurately interpolate the missing pixels, resulting in a blurred image.

Interpolation method: Different algorithms are used to upscale videos, and some methods may result in more blurred images than others. For example, bicubic interpolation, which is a commonly used method, can lead to blurry images because it tends to smooth out details.

Compression artifacts: Many videos are compressed to reduce their file size, and this compression can introduce artifacts such as blockiness or blurring. When the video is upscaled, these artifacts become more noticeable and can result in a blurred image.

Limited hardware capabilities: Some devices may not have the processing power or hardware capabilities to perform high-quality upscaling, which can lead to blurred images.

Part 3: Best Tool to Upscale Videos to 4K without Losing Quality

There are different methods and tools to upscale videos to 4K, including video editors like Adobe Premiere or CapCut, hardware upscaler and AI-based upscalers. AVCLabs Video Enhancer AI , an AI-based upscaler and enhancer, is one of the best options. This software uses advanced AI algorithms to upscale videos to 4K while preserving the details and clarity of the original footage, and allows users to customize the frame rate. It uses a variety of techniques to enhance videos, including motion compensation, frame interpolation, noise reduction, and color correction. These techniques work together to create a sharper, clearer, and more vibrant video with a higher resolution.

Key Features of AVCLabs Video Enhancer AI

  • AI Upscale video to HD, 4K and even 8K
  • Enhance video quality with multi-frame
  • Remove noise to make the video clearer
  • Recover and enhance facial details with AI
  • Colorize B&W videos to bring them to life
video enhancer ai icon

Part 4: How to Upscale Videos to 4K without Losing Quality

Before upscaling video to 4K, please check whether your computer configuration meets the system and hardware requirements for an optimal processing experience.

Video Tutorial: Upscale Videos to 4K without Losing Quality

Step 1: Download AVCLabs Video Enhancer AI and Upload Low-res Videos

Download and install AVCLabs Video Enhancer AI from the provided link, then launch it.

main interface

Click the "Browse" button or drag and drop your videos that need to be upscaled to 4K.

add video

Step 2: Choose the 4K Output Resolution

After uploading the video, you need to choose your desired AI capabilities. The Feature List section shows all the AI features available in AVCLabs Video Enhancer AI including AI Enhancement, Face Enhancement, Colorize, and Motion Compensation.

model list

There are two ways to set the output resolution to 4K. The first way is to select the Upscale to 4K option under the Preset panel.


And the second way is to click on the drop-down menu in Video-Out and select 4K, and below this, you can also select the frame rate you want to convert to. Once you select an upscaled resolution, the AI Enhancement feature will be enable automatically.

video out

Step 3: Configure Settings

Video Settings: Under this section, you can adjust the brightness, saturation, and contrast of videos. If you upload multiple videos, these settings will apply to all videos by default to save time, while of course, you can uncheck this option if you don’t want this. In addition, there are also options like cropping to fill the frame and deinterlacing.

video settings

Output Settings: the section where you can set the output video format(MKV, MP4, AVI, MOV, WEBM), encoder, bitrate, and output path.

output settings

Step 4: Start Upscaling Videos to 4K

Once all the settings are complete, you can click the Eye button to review 30 frames to make sure the processed video is what you want. Finally, click the Start Processing button to upscale the videos to 4K without losing quality.

preview and start processing


In conclusion, upscaling videos to 4K can be a challenging task, as it requires a balance between preserving the original quality and enhancing the details to fit a higher resolution. However, with AVCLabs Video Enhancer AI, it is possible to achieve this goal without compromising on the video's clarity and sharpness. By following the tips outlined in this article, anyone can upscale their videos to 4K without losing quality.