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[Solved] Can't Upload MKV Videos to Instagram for Sharing
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As Instagram is getting increasingly popular over the years, uploading videos to Instagram becomes a subconscious action of users for sharing. However, things don't always go smoothly. Users reported that they can't upload MKV videos to Instagram and get an error message of "Failed" either on smartphones or computers.
"Everytime i try uploading video it says 'there was an issue importing your video please try again'."
"I can upload MP4 video no problem but not the MKV ones. Any idea to upload MKV files to Instagram? Thanks. "
Why You Get "Failed" Error When Uploading MKV Videos to Instagram?
Ultimately, MKV to Instagram uploading failure happens since MKV video doesn't meet the requirements of Instagram video uploading, such as embedding with an improper codec, frame rate, resolution, having exaggerated file size or Instagram video length. To fix this issue, you need convert and edit MKV video for Instagram. Before that, you'd better know what kinds of video Instagram accepts.
Best Video Setting for Instagram:
- Format - MP4/MOV format, H.264 codec, AAC audio codec at 44.1 kHz mono
- Frame rate - 29.96 frames per second
- Video bit rate - 3,500 kbps video bit rate
- Resolution - Maximum width 1080 pixels, any height
- Size - Max file size 4GB (100MB maximum for direct publishing and 512MB for mobile App flow publishing)
- Video length - 3 to 60 seconds
- Aspect ratio - 16:9 (Landscape), 1:1 (Square), and 4:5 (Vertical)
How to Post MKV Videos to Instagram Without Any Error? 
The Key: Convert MKV to Instagram acceptaple formats, dimensions and size Try with A MKV Converter
MKV is just a video container that can be encoded with various codecs, such as HEVC, VP9, or H.264 etc. in 4K or HD. To upload all MKV files to Instagram without losing quality, you are required to make sure the output videos are supported by Instagram. For that, you need a HD/4K video converter to convert MKV to meet Instagram video uploading requirements.
Winxvideo AI is such a converter which allows you to convert MKV to MP4, MOV, AVI, WMV, iPhone iPad, Android, Windows PC/Mac, HDTV, game consoles and 420+ profiles, compress 4K to 1080p/720p HD, trim video length less than 60 seconds, adjust audio video parameters like change aspect ratio to 16:9 for landscape video, lower 60fps to 30fps, tweak video bit rate etc. And you don't have to compromise quality for video size, Winxvideo AI will reserve almost original quality even at 90% reducdion of video size. Still, the unique GPU acceleration tech can also suprise you with 47X real time faster speed.
Download Winxvideo AI on Windows 10 or lower 
Download Winxvideo AI on macOS Mojave or earlier (The Mac version is coming soon.)
Free download Winxvideo AI, and follow the wizard steps to install it. Then transcode MKV to Instagram uploaded video with the tutorial below.
Step 1. Open the program and click +Video button or drag and drop to load the MKV files which cannot be uploaded to Instagram.
Step 2. Select an output format from the automatically popped up window. H.264 MP4 is the best format for Instagram, which can be selected through "General Profiles" > "MP4 Video (h264+aac)" > "OK". By the way, you can also convert MKV to MOV for uploading to Instagram.
Step 3. Click the gear-shaped Setting button to enter the parameters tweaking interface, where you can change video codec, resolution, frame rate, aspect ratio, bit rate to perfectly meets Instagram video uploading requirements.
Step 4. Specify the output folder path by clicking "Browse" button if necessary. Tap RUN button to start converting MKV video to Instagram immediately. It'll be accomplished in a very short time. After then, you're able to post MKV files to Instagram without error.
