12 Ultimate 4K Video Converters to Revolutionize Video Quality

With 4K videos setting the gold standard for quality and clarity, there is an increasing need for 4K video converter tools. They are a must-have in your editing arsenal, and this guide will help you find the tool meant for the job. Read on to explore the 12 best 4K video converters today.

What is a 4K video converter

As the name suggests, a 4K video converter is a software program that provides users with tools and features to convert videos to 4K quality. This can be to:

• Enhance visual quality with more aesthetics for an immersive viewing experience.
• Create high-impact educational materials for class and lecture presentations.
• Better preserve old videos in 4K quality for research and future reference.
• Upscale video quality for compatibility with modern devices and platforms.
• Prepare video content for 4K streaming platforms such as gaming.
• Future-proof your video collection to remain playable on future devices.

Tips for selecting a good 4K video converter

To better convert your videos to 4K, you need reliable software. Here are the prerequisites to help you find one suitable tool for your needs.

• Input and output format support
• find a 4K converter that can handle your specific video codec and source video container format to transform videos to 4K.
• Conversion speed
• look for a high-performance 4K video converter capable of handling large 4K videos and multiple conversions to save time.
• Quality preservation
• check that the 4K converter doesn't introduce unwanted upscaling errors, artifacts, loss of sharpness, or mess with other video details.
• Ease of use
• ensure the 4K video converter offers a user-friendly workspace with intuitive controls, clear instructions, and a streamlined conversion process.

It is also essential to consider the tool's compatibility with your device OS, free trials, customer reviews, prices, security, and privacy. That way, finding the most suitable solution from the list below is easy.

12 best 4K video converters: transform videos into 4K brilliance

There are many 4K video converting programs on the market, and the following is a narrowed-down list of the top 12, categorized into web-based, PC, and mobile. 4K video converter for Windows/Mac

If you want a 4K video converter with faster performance, more privacy and security, and one that makes you independent of the internet, then a desktop app is recommended. Here are the best 4:



1. CapCut desktop video converter

The CapCut desktop software is an all-inclusive media editor and video maker with features and tools to create stunning, high-quality output. Like its online version, it also offers basic and advanced editing and can convert lower-quality clips to 4K high-definition videos effortlessly and precisely. Moreover, you access additional video exporting options to ensure you get the expected results. These include resolution, bit rate, codec, frame rate, format, and color space, as well as running a copyright check.

Key features：

• Rich video editing tools
• Video conversion to various formats like MP3, and MP4.
• Quick export and sharing.
• High-quality output.
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  Download for free

  

  
  

Steps to convert videos to 4K with CapCut desktop video converter

1. Import video
2. Download the CapCut desktop app from the CapCut official website. Install and run it, then click New Project to access the editing interface. Click Import to browse locally saved files and open the video to convert to 4K.
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4. Adjust resolution and quality
5. Once uploaded, use the plus sign or drag and drop the clip to add it to the timeline. You can now do all simple and complex editing using unique tools like freeze, auto reframe, motion blur, chroma key, auto cutout, make-up, facial beauty, voice tone change, etc.
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7. Commence 4K video conversion by clicking Export to set video conversion preferences. Under the resolution option, use the drop-down arrow and select 4K, then set the bit rate, codec, format, and frame rate as desired. Proceed and click Export to initiate the 4K conversion process.
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9. Export
10. Once it's done, you can open the folder with the final converted 4K file or share the output online. That way, it is easier to convert TikTok video resolution as well as your YouTube content.
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12. Input formats supported: all popular video formats such as WebM, MPEG, WMV, AVI, MKV, etc.
13. Output formats supported: MP4 and MOV.

2. 4K Video Downloader

The 4K Video Downloader is a cross-platform app offering its main functionality for free, without registration or payment. It primarily serves as an online video downloader but with the ability to convert to 4K for better viewing. You can convert to 4K videos from sites like Soundcloud, YouTube, Vimeo, Twitch, BiliBili, Likee, TikTok, etc.

Key features：

• Converts videos from popular video sites.
• URL import and export.
• Copy and paste option.
• Simple user interface.

Steps to convert to 4K videos with 4K Video Downloader

1. Download, install, and run the 4K Video Downloader desktop software.
2. Go to your browser and copy the video link you want to convert to 4K. Return to the app and click the Paste Link button to import the video.
3. Choose your preferred quality and set the required frame rate.
4. Click Download and give it a few seconds to download and enjoy your video in 4K.



Input formats supported: online videos from popular streaming sites.

Output formats supported: MP4 and MKV.

3. AnyMP4 Video Converter

AnyMP4 is another desktop video converter supporting a mega video format list. It is free and available for Mac and Windows computers, offering an intuitive, easy-to-navigate UI. It also offers users various helpful resources like user manuals and online support.

Key features：

• Multiple-format support.
• 8K, 5K, and 4K quality conversion.
• Simple, beginner-friendly workspace.
• Batch video conversion.

Steps to convert to 4K videos with AnyMP4 Video Converter

1. Download and run the software on your computer, then click the Add Files button to import your video from your local drive.
2. Select the Converter tab at the top of the screen and then choose the video output format as 4K quality.
3. Click the Convert button at the bottom of the screen and wait to finish.
4. The converted video will be saved to your computer drive for access.



Input formats supported: MP4, MOV, MKV, AVI, M4V, WMV, WebM, VOB, MPG, etc.

Output formats supported: MP4, HEVC MP4, MOV, Prores, HEVC MKV, AVI, etc.

4. Wondershare Uniconverter

The Wondershare Uniconverter is a versatile free download software with video conversion, recording, compression, editing, and watermark removal tools. With it, you will experience high-speed 4K video conversion with quality output. It can support many video formats and download in one click.

Key features：

• Optimized video conversion presets for TV, smartphone, etc.
• Batch video conversion.
• Many video formats support.
• Clean user interface.

Steps to convert to 4K videos with Wondershare Uniconverter

1. Download and launch the app on your PC or Mac, then select the Converter option.
2. Add the video file to the platform by drag-dropping it or selecting it from your device folders.
3. Select the output format and set the download location.
4. Click Convert to begin the conversion. Once it finishes, you can find your converted video in the allocated folder.



Input formats supported: almost all popular video formats.

Output formats supported: MP4, AVI, WMV, MOV, M4V, MKV, etc.

To this point, you've discovered the different options to convert 4K videos online and on your desktop computer. But what if you want to convert 4K videos using your mobile phone? Keep reading.

4K video converter (web-based)

With online-based 4K video converters, you don't need any downloads or installation, saving you disk space and using minimal device resources.

5. CapCut online video converter

CapCut is a universally accepted multimedia editing software with an online video editor that can also be used as a 4K video converter. With it, you can convert 4K online by adjusting video quality and resolution to ensure studio-grade results. Apart from being a web app, it offers cloud storage for your projects, AI-powered tools like background remover, and more premium features free of charge.

Key features：

• Online 4K video converter: all editing and 4K video conversion happen on your browser without installing software.
• Upscale and downscale conversion: can convert lower-quality videos to 4K HD or the opposite high definition to lower quality by adjusting quality and resolution, e.g., 4K to 2K, 1080p to 4K, etc.
• Advanced editing tools: access premium video editing tools such as retouching, animation, transcript-based editing, split scene, masking, keyframing, speed curve, and more.
• Massive preset assets collection: from stock videos to preloaded templates, transitions, video effects, stickers, music samples, sound effects, and free photos.
• Free cloud storage: although 4K videos are high definition and take up a lot of storage space, it is a no-brainer with CapCut. Users get free cloud space storage with easy access and collaboration.

Steps to convert to 4K videos with CapCut

Launch the CapCut online video editor on a new browser tab or window and sign up for free, or use your credentials to sign in to an existing account. On the video editing window, click Create new video to embark on your 4K video conversion journey.

Step
1. Upload video
2. The CapCut online video editor allows file uploads in various ways. Use the Click to upload button to select a video from the local device storage or open the specific folder with the file to drag and drop it into the editing interface. For any previously uploaded video to CapCut, open the Media tab in the left panel to drag and drop it from your cloud space storage. Another method is to import the file if you have it on your Dropbox or Google Drive accounts or use the on-screen QR code to import from mobile.
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Step
4. Adjust resolution and quality
5. At this step, apply any necessary edits to improve the video, such as splitting scenes, mirroring, scaling, rotating, zooming, etc. You can also adjust color levels, opacity, volume, and playback speed. Or, you can insert keyframes, blend the video with modes like overlay, screen, darkening, or brightening, and use smart tools like transcript-based editing, retouching, removing backgrounds, auto-captioning, etc.
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7. Once you are okay with the edited version, proceed and convert the video to 4K quality. Click Export at the top-right side of the screen and choose Download. You'll see the options to adjust the video resolution to 4K and set a preferred quality as High quality, Recommended quality, or Fast exporting. In addition, you can set the final video format as MP4 or MOV and pick a frame rate.
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Step
9. Export
10. Once you complete, click the Export button, and the video will start being exported, showing the process progress in percentages. It will automatically save in your CapCut cloud space, and you can also click the Download button to save it to your device disk.

Input formats supported: WebM, MPEG, MP4, 3GP, FLV, MOV, WMV, AVI, MKV, etc.

Output formats supported: MP4 and MOV.

6. FileZigZag

FileZigZag is a web application that comes with a free multimedia file converter. Its 4K video converter online free is compatible with 1k+ file formats, ensuring an effortless conversion from one format to the other. Users benefit from quality converted output that's up to the highest standard.

Key features：

• Drag and drop tools.
• Multi-format support.
• Multiple file conversion.
• Online tool.

Steps to convert to 4K videos with FileZigZag

1. Visit the FileZigZag website on any browser.
2. Upload by drag and drop or browse video from folders. You can upload multiple files.
3. Select the targeted file format.
4. Click Start Convert and wait for it to finish uploading.
5. Download and save your converted video.



Input formats supported: almost all popular video formats, including MP4, MOV, etc.

Output formats supported: M4A, M4V, AAC, AC3, AVI, MOV, MKV, OGG, WAV, WEBM, etc.

7. Flexclip Free Video Converter

Flexclip is another super-easy multimedia editor offering a 4K video converter free of charge. It is worth trying and doesn't require users to download or install any app. Also, there are no ads or watermarks, giving you the liberty to use your converted 4K videos worry-free, rightfully.

Key features：

• Beginner-friendly user interface.
• Many formats are supported.
• Additional editing features.
• Free preset editing assets.

Steps to convert to 4K videos with Flexclip Free Video Converter

1. Open the Flexclip Free Video Converter website on your internet browser.
2. Browse local files or drag and drop video to the editor.
3. Set the final resolution, format, and quality of video you want.
4. Click Start and wait for the conversion process to complete.
5. If need be, proceed with further editing or download the file for use.



Input formats supported: MP4, M4V, MKV, FLV, WMV, AVI, MOV, and WebM.

Output formats supported: MP4.

8. FreeConvert

FreeConvert is commonly known for its outstanding capabilities to convert almost all media-type files to help preserve memories. All conversions are web-based, fast, free, and secure. You can be confident when using the FreeConvert 4K video converter.

Key features：

• Batch file conversion.
• User-friendly interface.
• High-quality video conversion.
• Online 4K video converter.

Steps to convert to 4K videos with FreeConvert

1. Visit the FreeConvert online page to access its video converter.
2. Upload your video from your device, URL, Google Drive, or Dropbox. You can add more files if you wish to convert multiple videos.
3. Choose the final video output format you want to convert to.
4. Click Convert to initiate the conversion and wait for it to finish.
5. Click Download to save the converted video file.



Input formats supported: almost all popular video file formats like MP4, MOV, etc.

Output formats supported: 3GP, AVI, FLV, MOV, WMV, WEBM, OGV, MKV, and MP4.

4K video converter for mobile

As mobile video editing becomes popular, so do 4K video converters for mobile. Here are a few of the top 4K video converter tools for mobile.

9. CapCut mobile video converter

CapCut still reigns in the mobile video converting arena, with the CapCut mobile application offering a super-intuitive 4K video converter. It allows you to adjust video resolution, frame rate, and code rate to meet your requirements and produce high-definition output.

Key features：

• All-in-one media editor.
• Super-fast 4K video converter.
• Resolution and quality adjustment.
• Quick import and download.
• 

  Get CapCut app

  

  
  

Steps to convert to 4K videos with CapCut mobile video converter

1. Import video
2. Go to Google Play Store or Apple Store and download the CapCut mobile app. Install and launch it on your smartphone, then click New project to import the video from your gallery.
3. Edit video
4. A new window will appear with the video imported. You can crop the video, and if it is as you require, check the HD option and tap Add to advance to the editing interface. This allows editing such as cut, playback speed, animation, vocal isolation, auto reframe, retouch, mask, overlay, effects, filters, audio, and so on.
5. Adjust resolution and export
6. After all edits are done, tap the resolution drop-down at the top of your screen. Proceed and adjust the resolution to 2K/4K for the ultimate viewing experience. You can also change the frame rate for smoother playback and the video code rate. Once you finish, tap the download icon for the options to save your final converted 4K video to the device or share on TikTok.



Input formats supported: all popular video formats such as AVI, MKV, WebM, MPEG, WMV, etc.

Output formats supported: MP4 and MOV.

10. Video Converter & Compressor:

The Video Converter & Compressor is a versatile mobile app with tools and features for video file conversions. It can also be used to compress video files on your phone to save disk space. Its video conversion also works at lightning speeds, so you can be done in seconds.

Key features：

• Batch compression.
• Resolution and frame rate adjustor.
• Preset conversion options.
• Additional tools such as compression.

Steps to convert to 4K videos with Video Converter & Compressor

1. Download, install, and run the mobile app on your smartphone.
2. Click the Convert or Compress button and select your video.
3. Set the video converting preferences to suit your needs. These are resolution, format, frame rate, and video codec.
4. Click the Convert button at the bottom of the screen and then the START NOW button to start the process.
5. The video will be downloaded and saved to your phone's internal storage, and you can still share it with your contacts.



Input formats supported: all commonly used video formats are supported.

Output formats supported: MP4, MKV, AVI, MTS, WMV, AAC, VOB, and MOV.

11. Video Converter by VidSoftLab:

Video Converter is a comprehensive Android application with the capacity to convert, compress, and edit your videos. You can leverage its features and tools to convert movies, vlogs, music, etc., even if in batches with a few screen taps.

Key features：

• Format and resolution settings.
• All-in-one video audio editor.
• Batch video conversion.

Steps to convert to 4K videos with Video Converter

1. Go to the Google Play Store and download the Video Converter APK. Install and run it on your smartphone.
2. Select the Video Converter option and import your video.
3. You will see the basic and advanced settings. Adjust the resolution and select the output video format.
4. Tap Done to add the file name, then tap Save. An ad popup will appear. Watch it to start the video conversion process.
5. When finished, the converted video will be available in your phone gallery.



Input formats supported: almost all popular video formats.

Output formats supported: MP4, MKV, MXF, LVF, H264, H265, AVI, 3GP, MPEG, MPG, WMV, M4V, MOV, VOB, DAV, DAT, F4V, FLV, MTS, M2TS, TS, WEBM, MOVIE, MOD, etc.

12. Video Converter - ConverterBlack:

Lastly, the Video Converter - ConverterBlack APK is another tool that works perfectly to help convert 4K videos quickly and efficiently. It is effortless to use, with all buttons and controls easily accessible for pros and novice editors.

Key features：

• Simplified user workspace.
• Many video-sharing output options.
• Additional video manipulation tools.

Steps to convert to 4K videos with Video Converter - ConverterBlack

1. Download, install, and launch the app on your phone.
2. Select the Convert Video option and tap the plus sign to choose a video from your gallery.
3. Find a suitable video format and tap the Convert button at the bottom of the screen.
4. Give it a name and tap the START button.
5. Let the tool finish the process in a few seconds, then click Next to save the video.
6. Here, you can also share the video online via Gmail, WhatsApp, Facebook, or Instagram.



Input formats supported: MP4, MPEG, MPG, MKV, MOV, WEBM, FLV, etc.

Output formats supported: MP4, FLV, MTS, WEBM, M4V, MPEG, 3GP, etc.

When it comes to 4K video converting software, there is something for everyone. Whether online, on a PC or Mac, or using your smartphone, this article has the perfect option that meets your needs and preferences.

Conclusion

In summary, this comprehensive guide has highlighted the top 12 4K video converters on the market today, with their diverse range of features and capabilities. So, whether you convert 4K videos regularly or occasionally, these 4K video converters empower you to unlock the full potential of the 4K innovation and revolutionize your video-watching experience.

Try them out to find one that best suits your requirements. But to avoid wasting time testing, you can start with the CapCut online video editor. It has a robust 4K video converter and can also be used to edit your videos for studio-grade outputs. So, what are you waiting for? Check it out and start enjoying 4K videos at your convenience.

FAQs

1. How long does a 4k video converter take when converting a video?
2. Different 4K video converters have varied performance capabilities, and other factors also contribute to the speed at which a video converts. These include video type, duration, internet speed for video converters, and so on. But if you want a fast and reliable online video converter for 4K, you can't go wrong with CapCut video editor. It is tried and tested to work efficiently for quality output.
3. Which is the best 4k video converter online for free?
4. The CapCut online video editor has the best 4k video converter online free of charge with minimal resource requirements and cross-platform utility. It allows you to convert 4K videos by adjusting specifications like resolution and quality. Besides, it is an all-in-one video editor, so you can always add more flavor to videos using its vast media resources and basic, advanced, and smart AI tools.
5. Can a 4K video converter handle multi-language subtitles?
6. Yes, but this depends on the 4K converter software you choose. Working with the CapCut video editor will give you an awesome experience because it has an auto-caption and transcript-based editing feature that can detect different languages in 4K videos and generate video-to-text transcripts or subtitles hassle-free.