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2021 Top 7 Free Windows 10 Video Converters to Convert HD/4K Videos

Upgrading to Windows 10 is inevitable as the end of Windows 7 support. Everything seems fine on Windows 10 except that the video converter stopped working or got into troubles like black screen, sound issue, poor output quality, or excruciatingly slow speed. Well, this is a painful experience especially when you'd like to convert videos for playback, editing or sharing, right? To this end, how to convert videos on Windows 10 without hassle? Get the 2021 top 7 free Windows 10 video converters to convert to or from MP4, MKV, VOB, HEVC, VP9 and more.

What's the Best Free Video Converter for Windows 10?

The ability to complete video conversion always comes first for a video converter. While for a good user experience, the following extras should be included:

  1. 100% of success rate for video conversion on Windows 10. No crashing or not working issue.
  2. Wide input & output video support, like standard MP4, MKV, AVI, WMV, MOV, WebM, VOB, or HD/4K videos, H.265, M2TS and more.
  3. Great output file quality and fast video converting speed.
  4. Absolutely free and safe. No adware, spyware, virus or other needless or malicious stuffs.

Based on the above features, we have picked top 7 best free video converters for Windows 10. Also, you're also introduced with the easy steps on how to convert videos on Windows 10 and FAQs about video conversion.

No.1: WinX Video Converter

WinX Video Converter is a free video converter that's fully compatible with Windows 10/8/7. It allows you to convert any video format like MKV to MP4, MP4 to AVI, AVI to MOV, MKV to H.264, VOB to MPG, HEVC to H.264 etc. with 100% success rate. Plus, it can also reduce 4K/HD video file size greatly but no quality loss by adjusting parameters, and make basic editings like trim, crop, merge and add subtitles etc.

Free Download for Win 7 or later
Free Download for Mac OS X 10.6 or later

More than 9,000,000 users have downloaded it since 2010

WinX Video Converter is an excellent tool for encoding clips and we highly recommend it to all user levels. - Elena Opris from SOFTPEDIA

Best Free Video Converter Windows 10 - WinX Video Converter
Best Free Video Converter Windows 10 - WinX Video Converter


  • Convert any video to 420+ output profiles support. No crashing error on halfway.
  • No.1 fast conversion speed with Intel/NVIDIA/AMD hardware acceleration support.
  • Best output audio/video quality reserved.
  • 100% clean and safe without any adware, malware or harmful plug-ins and virus.
  • A professional 4k converter skilled in processing 4K and oversized video easily and fast.


  • Editing feature is really basic.

No.2: HandBrake

HandBrake is a widely used royalty-free DVD/video converter for multi-platforms available to convert video to MP4(m4v), MKV, H.264(x264), HEVC(x265), MPEG-4 and MPEG-2 (libav). And you can also directly convert 4K/HD/SD videos to specific devices like iPhone, iPad, iPod, Apple TV, Android, Windows Mobile etc. >> Learn More about How to use Handbrake on Windows

free open source Windows 10 video converter
Top free Windows 10 video converter - HandBrake


  • Free and open source, no ads or upsells.
  • Lots of options for video editing.
  • Support to convert DVD discs to video.


  • Limited output video format.
  • The interface is not intuitive enough, a learning curve is required for novice.
  • Slow video conversion speed.

No.3: FFmpeg

FFmpeg is a free and open-source software project that can be used to convert videos on Windows 10. It was initially released in 2000 and has added the support for a large selection of codecs and formats, such as H.264/MPEG-4 AVC, HEVC/H.265, VP8, AV1, WMV, Cinepak, ProRes, and QuickTime. Besides format transcoding, it also supports basic editing, video scaling, video post-production effects and standards compliance.

Free FFmpeg Video Converter
FFmpeg Video Converter


  • Free and open source.
  • Support many formats.
  • Provide great flexibility over demuxer, decoder, processer, encoder, muxer choice and settings.


  • Steep learning curve.

No.4: Freemake Video Converter

Freemake has been the most popular free file converter in the past decade owing to its versatility. It supports to convert video and movies between 500+ formats and gadgets for free. Also you can use it to edit video, burn video to DVD, share video to YouTube, extract audio from video clips and make photo slideshows.

Free Windows 10 compatible video converter - Freemake Video Converter
Free Windows video converter - Freemake Video Converter


  • Wide range of preset profiles, up to 500+ formats.
  • Support to convert DVDs, and even burn videos to DVD.
  • High quality and fast speed with paid version.


  • Free version is unavailable, with large watermarks on the output video.
  • Not support to HEVC video conversion.
  • It crashes sometimes during the video conversion.

No.5: Any Video Converter Free

Any Video Converter is a good video transcoder working with Windows 10 for years. A quite number of free video converters for PC Windows 10 catch your eyeball with overblown hype, which could not happen on Any Video Converter Free. This application does what it claims: free convert video to MP4, MKV, AVI, WMV, DVD, and does it quite well on Windows 10. Of course, it also leaves some to be desired.

Any Video Converter Free
Free Windows 10 video converter - AVC


  • Support a wide library of input and output formats.
  • Allow you to customize your footage on Win 10, like trim, crop, adjust settings, add effects to video.


  • Some output files are problematic, including audio video out of sync, improper aspect ratio, fragmentary video playback.
  • Conversion is slow compared to our top pick. Only NVENC accelerated encoding supported, accelerated decoding unsupported.
  • Long time consumed for loading 4K videos now and then.
  • Confusing interface, hard to access to edit and parameter features.

No.6: Wondershare Uniconverter

Wondershare Uniconverter gets your video converted and customized with most comprehensive features, of all the Windows 10 video converters we mentioned. It allows you to not only convert (4K) video to over 1000 formats, but also trim, crop, merge clips on Windows 10.



  • All-purpose video converter.
  • A rich set of editing features available.


  • Most expensive converter in this review list, up to $69.95 lifetime/1 PC.
  • Software not working sometimes, most complained problem on trustpilot.
  • The official purchase system sometimes charges more on users credit card than it stated on the website, feedbacks from its users.
  • Unable to remove uniconverter completely on Windows 10.

No.7: Microsoft Video Converter

Microsoft Video Converter is the way to go, if you don't ask too much for a Windows 10 free video converter. It enables you to free convert video to MP4 or MKV, as well as smartphones, tablets, game consoles on Windows 10. Meanwhile, it underperforms in many aspects in terms of this free version.

Microsoft Video Converter Windows 10
Microsoft Video Converter


  • Free of charge.
  • No ads or malware.


  • Output formats are inadequate.
  • Major quality degradation in resulting files.
  • Video conversion failed now and then.
  • Speed leaves much to be desired.
  • No extra bonus like merge, trim.

Features Comparison - Top 7 Free Windows 10 Video Converters


WinX Video Converter

Freemake Video Converter


Any Video Converter Free

Wonershare Uniconverter

Microsoft Video Converter


Input Formats

370+ (incl. 8K/4K HEVC)

Most common multimedia files, 4K, DVD, Blu-ray

Most common multimedia files, DVD, Blu-ray


Most common video file formats

Most modern video file formats

Many common and some uncommon formats

Output Formats

420+ (incl. MP4, H.265, AVI, WMV, MOV, MKV, MP3, AAC etc.)

500+ formats

MP4 (M4V) and MKV



MP4 and MKV

Hundreds of formats

Device Profiles

iPhone, iPad, Android, Windows Phone/Tablet, Kindle Fire, TV, Xbox, PS3/4 etc.

Apple iPhone, iPad, Android, Sony PSP, Xbox, consoles, smartwatch etc.

Apple, Android, Windows mobile & tablets, Xbox etc. & Available customized presets.

iPhone, iPad, Apple TV, Android, Kindle Fire, PSP, Xbox 360 etc.

iPhone iPad, iPod, Apple TV, Android (Samsung, Huawei), Sony, Xbox 360, PS4, etc.

Android Phone and Tablet, AppleTV, iPad, iPhone, iPod, Chromecast, FireTV, Playstation, Roku, Xbox


Output Quality






Minor degradation


Output Speed









Crop, trim, merge, add subtitle, adjust parameters

add subtitle, cut, join, and rotate clips, upload clips to YouTube

add subtitle, adjust parameters

Crop, trim, merge, rotate, add subtitle, watermark, effects, adjust parameters

add special effects, trim, crop, add subtitles, etc.

No extra features

Trim, concatenate, scale video...


  • All these video converters own the ability to convert videos for playing on desktop, portable devices and big TV screens.
  • WinX Video Converter and Wondershare Uniconverter both allow 4K HEVC conversion, while WinX demonstrates faster performance.
  • HandBrake was once attacked by malware. Although it has been resolved, it is not guaranteed to be 100% secure.
  • As media converters, AVC and Wondershare have great extra functionality for video editing.
  • WinX Video Converter, HandBrake, FFmpeg and Wondershare Uniconverter have macOS versions.

Bonus Tip1: How to Convert Video for Free on Windows 10/8/7 [Tutorial]

After installing WinX Video Converter on Windows 10/8/7, you just need to perform 3 simple steps to convert a video on Windows 10.

Step 1: Add Video(s) to WinX Video Converter

Launch WinX Video Converter and click +Video button or directly drag and drop to add your source video(s) to the program.

Add video to free WinX Video Converter
Add video to free WinX Video Converter

Step 2: Select Output Format

As video loaded, an Output Profile window pops up automatically. Now you should select your target output format. MP4 Video is always recommended for better compatibility.

Select output format
Select output format

Step 3: Start to Free Convert Video(s) on Windows

Tap the blue RUN button to start converting videos on Windows 10/8/7 for free immediately.

Start to free convert video on Windows
Start to free convert video on Windows

Watch a video tutorial on How to convert video on Windows PC

Bonus Tip2: FAQs about Video Conversion on Windows

1. Does Windows 10 have a built-in video converter?

Not really. It has a built-in video player - Windows Media Player, as well as a DVD player for Windows 10 (Windows DVD Player). Speaking of video converter, free video converter for Win 10 or online converter is worth your consideration.

2. How to speed up video converter?

  • Upgrade your converter to the latest version. Generally, the latest version might be optimized in the encoding algorithm.
  • Enable GPU hardware acceleration tech on your video converter (if it has).
  • settings are, the slower video converter will be.
  • Activate hyper-threading tech and multiple CPU core use on your converter (if it has).

3. Is Freemake video converter free?

Not really. It used to be a free video converter. Yet, currently, several windows pop up to let you pay for other features during use. If not, there will be watermarks on your video image, even at the center of your video picture.

4. Is online video converter safe?

There are exceptions to everything. It's impossible to simply reach a conclusion that all the online video converters are safe or unsafe. The safe online video converters roughly accounts for 80%. They won't bring malware or virus to put your system in risk. Yet, most of them do cover lots of ads thereon. That's annoying, but no danger.

5. Can I play 4K HEVC video on Windows 10?

Theoretically speaking, yes. But you can't watch your 4K HEVC video smoothly on your Windows 10 PC unless both your hardware configurations and Windows 10 media player software meet the requirements.

6. Is it legal to convert audio tracks from YouTube?

It's illegal to download copyright music video and convert to audio file. As for the personal YouTube video that doesn't allow the public to download, it's better not to download and convert audio from YouTube.

7. What's the difference between format and container?

When it comes to format, what we highlight is the codec. The significance of codec is to compress your files, lossy or lossless.

The container is just like a box that can contain multiple video and audio streams, subtitles and metadata. And it's usually called as file extension. Each video file (encoded by whatever codec) uses a container format to encapsulate the encoded multimedia content. Find more details >>


Matthew Palmer

Matthew Palmer twitter icon

Matthew Palmer is a seasoned content creator with over 10 years of experience in Windows at large. He has been specialized in almost any technology with Windows OS and written thousands of new articles, covering everything from in-depth features of new laptops, latest GPU/CPU PC hardware, games, to software related. While digging into new techs, he continues enjoying painting and comics.

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