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4K Video Converter | How to Convert Videos to 4K for Free

In today’s digital world, 4K video is becoming increasingly popular. With 4K displays becoming more affordable, it’s now easier than ever to get the highest quality viewing experience. But what if you want to convert your existing videos to 4K quality? Well, the good news is that there are a variety of free 4K video converters available that allow you to easily convert any video to 4K quality. In this guide, we’ll show you how to convert videos to 4K quality for free. We’ll walk you through the step-by-step process of using a 4K video converter, and provide tips to help you get the best results. So, if you’re ready to upgrade your videos to 4K quality, keep reading to learn how.

convert video to 4k

recommend Part 1: Why Do You Need to Convert Videos to 4K

In the digital age, video quality matters more than ever. 4K resolution, with its stunning clarity and detail, has become the gold standard for visual content. Whether you're a filmmaker, content creator, or just an avid video enthusiast, upgrading your videos to 4K can make a significant difference in their impact and visual appeal.


Part 2: 3 Best AI-Based 4K Video Enhancer to Enhance Video Quality to 4K

If you're looking for the best AI-based 4K video enhancers to enhance video quality to 4K, here are three top options:

1. AVCLabs Video Enhancer AI

AVCLabs Video Enhancer AI is an excellent way to enhance the quality of your videos, and convert them to 4K for viewing on a 4K monitor. As an AI-based 4K video converter, it gives you the ability to enhance and convert any low-resolution videos from 720p, 1080p to 4K, even up to 8K with details kept. Powered by the AI technology, it does all the conversion work automatically, no professional video editing knowledge are required. Moreover, it supports a wide range of video file types including MP4, MKV, WMV, AVI, MOV, H.264, H.265, etc.

Video Enhancer AI

  • Enhance the video quality automatically.
  • Upscale videos from SD to HD, HD to 4K.
  • Convert video to 60, 90 and even 120 FPS.
  • Sharpen faces from blurry video.
  • Colorize B&W videos to make revive again.
  • Support GPU & TensorRT acceleration.
video enhancer ai

How to Convert Videos from 720p, 1080p to 4K Using AVCLabs Video Enhancer AI

Step 1
Install and Run AVCLabs Video Enhancer AI

Warm reminder: Before converting videos from 720p, 1080p to 4K, you are able to click here to check whether your CPU or GPU is capable of enhancing video quality to 4K with AI.

Download and install AVCLabs Video Enhancer AI on your Windows PC or Mac computer and then simply open it to start using this powerful 4K video converter.

main interface
Step 2
Import Low-res Videos, Select the AI Model and Set the Output Parameters

Add one or multiple low-res videos from your computer to this 4K Video Converter, then you can set up some parameters like processing AI model, output resolution, output format and output path, brightness, contrast, and saturation, etc.

add low resolution video

To convert video to 4K, just go to Presets section under the right panel and select Upscale to 4K.

presets
Step 3
Trim the Output Video

Before upscaling the video to 4K, you are capable of trimming the unwanted parts frame by frame to save processing time. At the bottom of the program, you are also able to trim your video to the desired length by dragging the slider bar. Or input the start and end of the frames to set a clipping point accurately.

Step 4
Start Converting Videos to 4K Automatically

After you completed all the settings, you can click on the Start Processing button to start to convert low-res videos to 4K automatically.

Once the 4K video converting process is done, you can open the output video folder to enjoy the converted 4K video.

4k video converter

Pros:

Intuitive interface for beginners to get started

Impressive upscaling capabilities to enhance video quality to 4K

Preserve video details and reduces noise effectively

Cons:

The processed video will be added a watermark in the free trial version


2. Topaz Video Enhance AI

Topaz Video Enhance AI is another AI-based software that excels in enhancing video quality. It uses machine learning models to upscale videos to 4K resolution with remarkable clarity. With its robust set of features, users can adjust settings and customize the enhancement process according to their preferences.

Steps to Enhance Video Quality to 4K via Topaz Video Enhance AI

Step 1. Open Topaz Video Enhance AI and add the video file into it.

open topaz video enhance ai

Step 2. Go to the drop-down menu under the “Presets” section, select the Upscaled to 4K option and define the output video resolution in the “Video” section on the right panel.

enhance video quality to 4k topaz

Step 3. Finally, click the Export button to save the enhanced video on your computer.


Pros:

Exceptional video upscaling results

Customizable enhancement settings

Support various video formats

Cons:

Require a powerful computer for optimal performance


3. UniFab Video Enlarger AI

UniFab Video Enlarger AI is a comprehensive video enhancement tool that offers impressive upscaling capabilities. It utilizes artificial intelligence to enhance video details and increase resolution to 4K. With its user-friendly interface and advanced features, users can easily enhance their videos while maintaining high quality.

Steps to Enhance Video Quality to 4K via UniFab Video Enlarger AI

Step 1. Launch UniFab Video Enlarger AI on your computer and choose the Enlarger module.

Step 2. Click the Add Video button to select the video you want to edit from your computer. Choose the resolution you want to upscale.

launch unifab video enlarger ai

Step 3. Click the Start button to enhance your video quality to 4K. UniFab will complete the video enhancing task within minutes.

enhance video quality to 4k unifab

Pros:

Intuitive user interface

Advanced video enhancement options

Support various video formats

Cons:

Processing time can be lengthy for large files


Part 3: 3 Best Desktop-Based 4k Video Converter Software to Convert Videos to 4K for Free

Here, we just collected 3 best desktop-based 4K video converter software to convert videos to 4K for free, let's check them out.

1. Any Video Converter Free

If you don’t want to use a video enhancer or you do not have the need to enhance the video quality, you can convert your videos to 4K using a free video converter - Any Video Converter Free. Any Video Converter is a free video converter that allows you to quickly and easily convert your videos to 4K. It also comes with multiple video editing features such as trimming any video files into several clips , merging multiple media files into one to make your own video, cutting off unwanted borders from a video frame to feature a favorite clip, adjusting brightness, contrast, saturation, resolution, adding subtitle, watermark, etc.

Features of Any Video Converter

  • Convert videos between any formats freely.
  • Download videos and music from 100+ sites.
  • Edit video clips with cut, crop, and special effects.
  • Add transitions to your video clips.
  • Adjust the audio volume and add audio effects.
  • Support NVIDIA NVENC hardware acceleration.
any video converter

Steps to Convert Videos to 4K for Free Using Any Video Converter Free

Step 1
Download and Run Any Video Converter Free

Download and install Any Video Converter Free on your computer, and then launch it.

open any video converter free
Step 2
Navigate to the VideoConverter Tool and Add Videos

To convert videos to 4K, just go to the Format Convert tool and then click on the +Add Video button to add one or multiple videos to the program.

select video converter
add video to any video converter free
Step 3
Customize the Video Resolution

Now, you can set the output profile on the left panel. Simply click on the Output options, then scroll down to Video Resolution and click "Custom" to customize the video resolution to "3840X2160" or "4090X2160".

select video resolution
Step 4
Start Converting Videos to 4K for Free

After all the parameters are set, click on the Start button to convert any videos to 4K.

convert video to 4k

Pros:

User-friendly interface for easy navigation

Support a wide range of input and output formats/p>

Fast and reliable video conversion process

Batch processing saves time when converting multiple videos

Cons:

Some advanced features are only available in the paid version


2. VideoProc Vlogger

VideoProc Vlogger is a powerful software that allows users to convert videos to 4K resolution for free. It offers a comprehensive set of tools and features designed specifically for vloggers and content creators.

Steps to Convert Videos to 4K for Free Using VideoProc Vlogger

Step 1. Download and install VideoProc Vlogger from the official website.

Step 2. Launch the software and click on the "Video" tab in the top menu. Click on the "+Video" button to import the video you want to convert to 4K.

Step 3. Once the video is imported, click on the "Codec Option" button next to the video thumbnail. In the "Resolution" section, select "4K" from the dropdown menu.

Step 4. After all the settings are set up, click the Done button.

Step 5. Now, click the Export button to convert the video to 4k.

convert video to 4k videoproc vlogger

Pros:

User-friendly interface with intuitive navigation

Offer additional editing tools for vloggers, such as trimming, cropping, and adding effects

Fast and reliable video conversion process

Support a range of input and output formats, giving users flexibility in working with different types of videos

Cons:

Limited free version, Some features or functionality may only be available in the paid version

Depend on the hardware capabilities of your system, VideoProc Vlogger's performance may vary when dealing with large video files


3. Movavi Video Converter

Movavi Video Converter is a comprehensive software that offers powerful video conversion capabilities. It supports a wide range of input and output formats, including 4K resolution. With its user-friendly interface and extensive codec support, Movavi Video Converter is suitable for both beginners and professionals.

Steps to Convert Videos to 4K for Free using Movavi Video Converter

Step 1. Install and Run Movavi Video Converter.

Step 2. Click on the "+ Add Media" button to import the video you want to convert to 4K.

open movavi video converter

Step 3. Select the output format as 4K from the list of available options, and then click on the "Convert" button to start the conversion process.

convert video to 4k movavi

Pros:

User-friendly interface with a drag-and-drop feature

Support a wide range of input and output formats

Offer advanced features for customization

Cons:

The free version has limitations compared to the paid version

Some users may experience slower conversion speeds for large files


Part 4: 3 Best Free Online 4k Video Converters to Convert Videos to 4K

If you're looking to convert your videos to 4K resolution online, there are several free online converters available that can help you achieve this. In this part, we will explore three of the best free online 4K video converters: HDconvert, AnyMP4 Free HD Video Converter Online, and Media.io.

1. HDconvert

If you want to convert your videos to 4K, but don’t want to download any software, then you can use an 4K video converter online. HDconvert is the tool we recommend. HDconvert is a web-based video converter that allows you to convert videos to 4K online for free without installing any plugins or software. The only drawback is that the trial version limits output files to 720p unless you upgrade to the premium version.

Steps to Convert Videos to 4K Online by HDconvert

Step 1
Visit HDconvert

Open HDconvert online converter, and hit the button on its center to start to convert a file now.

hdconvert
Step 2
Upload a video to HDconvert

Upload a video file and choose MP4 as the target video format to proceed.

Step 3
Start Converting Videos to 4K

If you are using its premium plan, select 4K as the output video quality. Otherwise, you are only allowed to convert video to HD 720P.

Step 4
Download Converter 4K Videos to Computer

When it finishes converting the normal video to 4K, simply download the video to your device immediately as the download URL will expire in 24 hours.


Pros:

Do not need to install any third-party software for this 4k online converter

There is absolutely no limit on the file size

Multiple output formats are supported

Cons:

If you don't upgrade to its Premium edition, the exported video will have a watermark, and upscaling to 4K resolution will not be available


2. AnyMP4 Free HD Video Converter Online

AnyMP4 Free HD Video Converter Online is a reliable platform that offers an online 4K video converter. This tool allows you to convert your videos to 4K in various formats while maintaining high quality.

Convert Videos to 4K Online via AnyMP4 Free HD Video Converter Online

Step 1. Open the AnyMP4 Free HD Video Converter Online website.

Step 2. Click on the Add File to Convert button to select the video you want to convert.

anymp4 video converter

Step 3. Next, select the to set the output parameters. Just select the 4K as the output resolution.

convert to 4k anymp4

Pros:

Wide selection of output resolutions

Support multiple video formats

Quick and efficient conversion

Cons:

Require stable internet connection for smooth operation

Converting to 4K resolution is available on paid version


3. Media.io

Media.io is a reputable platform that offers a free online video converter with support for 4K resolution. This tool allows you to convert your videos to various formats while maintaining high quality. It is known for its reliability and ease of use.

Steps to Convert Videos to 4K Online via Media.io

Step 1. Visit the Media.io Video Enhancer website.

visit media io

Step 2. Click the Upscale Your Video Now button to enter the video upscaler window.

open media io

Step 3. Now, select the 2X as the upscaler option, and then hit the Process button to convert the video to 4K.

convert video to 4k media io

Pros:

User-friendly interface, making it easy even for beginners to convert videos to 4K

High-quality video conversion without watermarks or restrictions

Support a wide range of input and output formats

Fast conversion speed, saving you time

Cons:

Limited customization options compared to paid software

Dependence on internet connection for online operation


Conclusion:

From converting videos to 4K with AI-based enhancers, to employing desktop-based programs and free online converters, it has never been easier to convert your video to stunning 4K quality. Now, you can enjoy watching your converted 4K videos on your 4K monitor at home or office. If you want to convert your videos to 4K, but don’t want to use any video enhancer or video converter software, then you can use an online video converter such as HDconvert. If you do not want to pay any fee to convert video to 4K, Any Video Converter Free is highly recommended. If you have the need to enhance video quality while converting videos to 4K, AVCLabs Video Enhancer AI is the perfect choice. No matter what kind of 4K conversion solution is right for you, we have given you some great options to consider. Taking these steps is sure to help take your videos from average to fantastic in no time at all!

Try AVCLabs Video Enhancer AI to breathe new life into your footage!