How to Upscale Videos to 4K without Losing Quality

By Justin SabrinaUpdated on April 29, 2024

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4K resolution, also known as Ultra HD, offers four times the number of pixels as HD resolution. Obviously, 4K videos have significantly more detail and clarity, resulting in sharper images and finer textures than HD videos. Currently, 4K resolution is popular among content creators and viewers alike. Therefore, most people would like to resize 1080p to 4K for a better viewing experience. If you have HD videos and want to upscale 1080p to 4K resolution, this guide is for you! This article covers four effective ways to help you upscale videos to 4K without losing quality, on Windows, Mac, online or for free.

CONTENTS

Way 1. Upscale Videos to 4K with UkeySoft Video Converter 🔥

To upscale video to 4K, you can turn to a third-party video converter software. UkeySoft Video Converter is the best video 4K upscaler for Windows and Mac. It is a one-stop video converting, editing and upscaling software. When it works as a video converter, it can help users convert any video file to 4K without losing any quality. Besides that, users can also import any video file to the converter, then convert the video to MP4, MKV, FLV, MOV, AVI, WMV, MP3, OGG, AAC, WAV, and other popular video & audio formats.

Another attractive function that UkeySoft Video Converter provides you is video editing, with which you could add special effects, subtitles, audio tracks with eases. Moreover, you may also use it to trim/crop/rotate/flip your video.

Great Features:

• Upscale 480p to 1080p, or 1080p to 4K without video quality loss.
• Add more video/audio effect, subtitles, watermark to videos.
• Export 1080p HD/4K UHD video in popular formats.
• Flexible editing features to rotate, trim, crop and merge videos.
• Adjust speed, brightness, saturation, and contrast, grayscale, etc.
• Convert any video to any video/audio format as you want.

How to Use UkeySoft to Upscale Videos to 4K Without Losing Quality?

Here's a step-by-step guide to show you how to upscale a video to 4K using UkeySoft Video Converter.

Step 1. Download and install the UkeySoft Video Converter on your Mac or PC. Launch the program and import your video file by clicking "Add Files".

You can add multiple video files at once. As below screenshot, I have added multiple videos into the program.

Step 2. Select the output format, output folder at the bottom of the interface. If you want to upscale a video to 4K resolution, just clicking "Output Format" option, and then select "4K Video (.mp4)" under "Common Video" menu.

Step 3. Click "Output Settings" button to customize the bitrate, frame rate, and codec, and optimize the video quality to 4k.

Step 4. Hit on "Start" button start to upscale the video to 4K quality.

Start converting video to MP4 video format with 4k resolution.

Step 5. When the conversion is complete, you can click "Open Folder" to get the 4k video in mp4 format.

Way 2. Upscale Videos to 4K with Aiseesoft Video Converter Ultimate

Aiseesoft Video Converter Ultimate is another recommended video upscaler, especially in HD/4K converting. You can use it to upscale video quality to 4k in popular formats. It will preserve the lossless quality of your videos after conversion. In addition to increasing the video resolution, the program also allows you to add more video/audio effects. And you can use the built-in editing feature to trim, crop, rotate or merge the video at will.

Here's how to upscale videos to 4K using Aiseesoft Video Converter Ultimate:

Step 1. Download and open Aiseesoft Video Converter Ultimate on your computer.

Step 2. Next, click "Add File" at the top screen to import your video file.

Step 3. Choose the output format as 4K resolution (3840 x 2160 pixels) from the Profile list.

You can click the "Settings" button to adjust the output settings, such as bitrate, frame rate, and encoder, to achieve the desired video quality.

Step 4. Hit on "Convert All" button to initiate the upscaling process.

Way 3. Upscale Videos to 4K with VLC Media Player

If you are looking for a free way to upscale video to 4K, you can't miss VLC Media Player. VLC Media Player is a popular and open-source media player that also comes with upscaling features. It not only allows to play local media files, but also supports to upscale the old HD videos to 4K quality.

Note: Only the latest version of VLC supports 4K UHD videos.

Here's how to upscale videos to 4K using VLC Player:

Step 1. Open the VLC Media Player on your computer, and import your video file.

Step 2. Navigate to the "Tools" tab and select "Effects and Filters" option. Alternatively, you can click the "Adjust" icon at the bottom.

Step 3. Tap "Video Effects" tab, you can adjust the Essential, Crop, Colors, Geometry, Overlay, and Advanced (resize the file caching size to the highest 20,000).

Step 4. Finally, click "Save" button to upscale the video to 4k.

Way 4. Convert Videos to 4K with Online Video Converter

Some users may don't want to install any extra software or app on the computer. In such case, you can use some online video converter to convert video to 4K online. It is easy to use, and it can help you convert video to popular formats and convert video to HD or 4k quality.

Step 1. Visit the online video converter in your browser.

Step 2. Upload your video file to the page, select the video format as MP4, video quality as 4k.

Step 3. Next, you are allowed to adjust the video settings like codec, bitrate, etc.

Step 4. If everything is ready, click on "Convert" button to let it upscale your video to 4K resolution.

However, most online websites are not completely free and only provide basic video conversion services. To convert videos to 4k quality, you need to upgrade a membership subscription. Therefore, we recommend you to use professional video converting tool, such as UkeySoft Video Converter.

Conclusion

It is a good choice to upscale videos to 4K resolution for better viewing experience. Above, you've learned how to upscale videos to 4k in four methods, including using desktop software and online video converter. Whether you opt for paid software like UkeySoft Video Converter or Aiseesoft Video Converter Ultimate, or free tool like VLC Player or using online tool, the key is to ensure that there is no loss in output video quality. The UkeySoft Video Converter meets all your needs. It can easily convert and enhance the resolution of your videos to 4K while preserving their visual fidelity and detail. Give it a try right now!

Justin Sabrina

Justin Sabrina has over 10 years of content writing experience. She specializes in product reviews, how-to guides, tips and tricks, top lists, etc. on data encryption, multi-media conversion, screen recording and iOS unlocking. At UkeySoft, she performs in-depth research SEO copywriting and collaborates with our R & D team to offer effective software solution, most of her articles on software are helpful and easy to read, helping our reader easily solve problems through using software or apps.

Justin Sabrina

Li Zhang is a sophisticated editor for UkeySoft in tech blog writing, as well as a SEO and content marketing expert. She has been writing related article about multimedia conversion, streaming music and streaming video since 2018. Also, she's starting to write article about data security, including articles about file lock, USB encryption, DVD encryption, etc. Each helpful tutorial and solution is based on her practical tests, she is aways energetic and trustworthy in this field.

Justin Sabrina

Chester is an experienced editor for UkeySoft focused on tech article writing, software & hardware produce review and tutorial. He specializes in composing posts about music conversion, video downloading, video conversion, screen recording and other tech knowledge tips. He always understands user needs and pain points and familiar with all kinds of multimedia conversion software and streaming music downloader on the market. So far, he has published 400+ helpful tech articles of software reviews, how-to guides to help reader in need.

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