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Is It Possible to Convert MKV to MP4 Online with No Limit on File Size/Length or Conversion Time?

How to convert MKV to MP4 online with no limit? Is there any online video converter that can transform any (large) MKV file to MP4 fast and stably? Get answers from this post.

MKV is a well-educated container format that can incorporate video, video and subtitles into a single file, so people love to backup DVD/Blu-ray movies or TV series to MKV to prolong the life of original discs or digitize disc contents to build home theater. As is expected, there're a broad range of MKV sources online that moviegoers can free download with ease.

However, its poor compatibility for mobiles and TVs gives rise to converting MKV to MP4. Online video converters scatter here and there in browsers. Without 3-party software installed, those freebies enable users to convert MKV to MP4 on the web simply in clicks by:

Visiting free converting service online -> selecting .mkv file -> defining .mp4 as target format -> choosing quality or resolution if it's available -> doing .mkv uploading & converting -> downloading .mp4.

online video converter workflow on MKV to MP4
online video converter workflow on MKV to MP4

Is there any limitation on MKV to MP4 online video converter? Well, it really depends.

In most cases, free online video converter tools do have limitations on MKV file size (e.g. 100MB maximally), conversion minutes per day, conversion time per file, or concurrent conversion number, one or more of different degrees. Also, they might sacrifice the image quality due to their fixed settings on output video bitrate, aspect ratio and such. As to the converted MP4 file, you are confined to download within a certain of period, say, 24 hours from the time of upload. If you forget to download, the download link would become invalid and you need to do the same conversion again.

Some free online MKV to MP4 video converters have pro-level products. If you wanna remove the limitation, you should pay for them by month or alike. But if you meet those who offer no solution for powering up productivity, you have to find an alternative.

MKV to MP4 Limitations on Popular Online Video Converters

onlinevideoconverter.com

Maximum Size of MKV: 2000.00 MB
Limited Daily Conversions: Not mentions officially
Premium Service to remove limits: N
MP4 Quality/Size control: Y

Input Video Formats: MKV, MP4, M4V, MOV, WMV, AVI, FLV, WEBM, 3GP and MPG.

Output Formats: MP4, M4V, MOV, AVI, FLV, MPG, WMV, MP3, M4A, FLAC, WAV, WMA, OGG and AAC.

files-conversion.com

Maximum Size of MKV: 200 MB
Limited Daily Conversions: Not mentions officially
Premium Service to remove limits: N
MP4 Quality/Size control: Y

Input Video Formats: MKV, MP4, MOV, AVI, WMV, MTS, FLV and VOB.

Output Formats: AVI, FLV, MP4, MPG, SWF, WMV, OGG, DV, MOV, 3GP, MJPEG, GIF, DVD, MP3, WAV, WMA.

convertio.co

Maximum Size of MKV: 100 MB
Limited Daily Conversions: Y
Premium Service to remove limits: Y
MP4 Quality/Size control: Y

Input Video Formats: MKV, MP4, AV1, AVI, AVCHD, ASF, 3GP, DIVX/XVID, DV, FLV, HEVC, M2TS, M4V, MOD, MPEG, MPG, MTS, RM, RMVB, VOB, WMV etc.

Output Formats: MP4, AVI, WMV, MPEG, MOV, DIVX, XVID, 3GP, MPEG, WEBM, FLV, VOB, TS, MTS, M4V, SWF, HEVC, MXF, ASF, MP3, WAV, M4R, GIF etc

zamzar.com

Maximum Size of MKV: 50 MB
Limited Daily Conversions: Not mentions officially
Premium Service to remove limits: Y
MP4 Quality/Size control: N

Input Video Formats: H.264, 3GP, 3G2, 3GPP, ASF, AVI, F4V, FLV, GVI, M4V, MKV, MOD, MOV, MP4, MPG, MTV, M2TS, RM, RMVB, TS, VOB, WEBM and WMV.

Output Formats: AVI, MP4, MPG, FLV, AVI, WEBM, WMV, 3GP, 3G2, AAC, AC3, FLAC, MP3, OGG,WAV, GIF, DVD, iDevice, HTC, PS3, Xbox etc.

How to Convert MKV to MP4 with No Limit on Computer

WinX HD Video Converter Deluxe - All-in-one video converting software to convert video between MKV and MP4 with no limit at all. From several hundreds of megabytes compressed MKV movies to large and long Blu-ray remux MKVs, WinX HD Video Converter Deluxe can handles them fast and stably thanks to its powerful hardware acceleration engine powered by Nvidia/Intel/AMD.

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

For Windows and Mac only. If you are a mobile user, please click here.

What WinX HD Video Converter Deluxe's Advantages Over Online MKV to MP4 Converters?

online MKV converter vs WinX HD Video Converter Deluxe
online MKV converter vs WinX HD Video Converter Deluxe

User Guide on Converting MKV to MP4 on PC/Mac with No Limit

To facilitate the use of WinX HD Video Converter Deluxe for video conversion, please download and install the most up-to-date version on your Windows or macOS computer beforehand, and then follow the 4 clear steps hereinbelow.

Step 1 - Add MKV at Any Size and Amount

Launch WinX HD Video Converter Deluxe. Click the first "Video" button or directly dragging & dropping to load your target MKV videos. There's no limit to the MKV file size, video length and number of loads.

Add MKV at Any Size and Amount
Add MKV at Any Size and Amount

Step 2 - Choose an MP4 Output Format

Just like MKV, MP4 is also a container format, which may hold different codec combination of video and video. Here WinX HD Video Converter Deluxe provides three MP4 options in the automatically popped up output profile window:1). H264 MP4; 2). HEVC MP4; 3). MPEG4 MP4.

Simply go General Profiles > MP4 (aac+h264) > OK to choose H264 MP4, or select your desired one according to your needs. Besides, if your computer supports GPU acceleration, WinX HD Video Converter Deluxe will automatically detect and invoke hardware acceleration supported graphic cards to convert MKV to MP4 in 47X real-time faster speed when you're choosing H264/HEVC MP4.

Choose an MP4 Output Format
Choose an MP4 Output Format

Note: As a video converter and editor, WinX HD Video Converter Deluxe also features cutting, cropping, rotating, subtitling, splitting video and merging unlimited number of MKV videos into one MP4. You can do those edits after choosing output format.

Step 3 - Start the Conversion

Now you can begin the MKV to MP4 processing by tapping "RUN" button. Then a progress dialog will show up to represent you the speed and time. You can stop the conversion at any time or order the software to shut down computer when conversion is completed.

convert MKV to MP4
convert MKV to MP4

Still have problem on converting MKV to MP4 with no limit? Just feel free to Email Us >>

WinX HD Video Converter Deluxe is a one-stop video converter to transcode/compress/edit videos, and even download online media surely with no restriction.

  • Converter supports 370 input codecs & 420+ output formats;
  • Downloader supports 1000+ UGC websites;
  • Edit: Cut, trim, crop, expand, add subtitle easily.

ABOUT THE AUTHOR

author - Kistent Waung

Kistent Waung twitter icon

Graduated from Nanyang Technological University, Singapore, she employs herself in IT related content creation (since 2013) and happens to perfectly combine her major (computer & science) and her gusto (writing). She's seasoned at offering video audio conversion workarounds and always passionate about new trends, from hot HEVC, 4K to the new AV1 codec.

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