Written by Since the release of Instagram new version, users finally get the ability to upload video to Instagram from portable device like iPhone that is recorded with the phone’s camera.If you want to upload some video in MKV, maybe you will encounter problems:
“Everytime i try uploading video it says “there was an issue importing your video please try again”. “
“I didnt have this issue before and i can upload mp4 videos no problem but not the mkv ones. Is anyone else having this issue with mkv?” 
How to make Instagram accepted MKV videos
To upload all MKV video to Instagram from PC/Mac or iPhone/Android without losing quality, you are required to make sure that the output video files are supported by Instragram (H.264 MP4 is the best format for Instragram). However, some users are bothered by the large size of videos recorded with HD cameras or incompatible video formats. In those cases, you’re suggested to convert/compress the Instagram upload videos first. Here we use the Instagram video converter Pavtube Video Converter.
* Convert HD/SD videos in MKV, MOV, WMV, H.265, AVI etc to Instagram upload video limits MP4 with world’s fastest speed.
* Compress 4K/HD videos with large file size that are shot with hd cameras to smaller video size without losing quality for smooth uploading to Instagram.
* Advanced editing features like trimming, subtitle adding, effects adding, multiple parts merging into one clip etc
* Support compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows XP.
Hot search: GoPro Hero4/Hero5 4K video to Instagram, Canon 5D Mark IV 4K video to Instagram
The instagram video converter software is also able to convert audio video media files from any format (including AVI, MP4, MOV, MKV, WMV, 3GP, MPEG, SWF, FLV, MPG, ASF AVCHD H264) to instagram format, you can also convert instagram video to format such as mp4 so that you can add video to iTunes, iPod, iPad, iPhone, PSP, android phones, zune hd/thinzar, Amazon Kindle Fire, or upload video to Instragram, Facebook, youTube. Mac user please get Pavtube Video Converter for Mac.
User guide to Transcode MKV to Instragram uploaded video
Step 1. Add MKV videos
Install and run the Video to Instragram Converter on your computer, then click “Add Video” button to browse and load your rvideos which you’ve transferred to your Windows PC. 
Step 2. Set right output format. Click “Format” bar, and select .mp4 from “Common video” or “HD video”. 
Tips: The default settings may not satisfy you, and you can click the “Settings” button to change the settings by yourself including video resolution, bit rate, audio sample rate, audio channel etc. for full screen playback smoothly. Or keep no changes, which is also a good choice.
Step 3. Click the “Convert” button on the main interface and the software will start to convert MKV to H.264 MP4 for Instragram immediately. When the conversion finishes, click “Open” to find the converted video files. Then you can effortless transfer the video files to Instragram.
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