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25 Jan 2021
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Green line appears in Instagram 14 May 2022 04:13 #120514

After exporting a vertical HD video using Final Cut Pro, and uploading it on Instagram to publish as a reel, in the second-to-last step of the reel upload prompt, Instagram displays a green line along the right edge, indicating how the video will look after it is uploaded.

Resolution of Instagram reels is supposedly 1080x1920 so I don't understand why a green line would be added, seeing as the exported video is the same resolution so should fit 1:1.

I tried exporting from FCP to different formats at the same resolution, including MOV vs MP4, H264 vs not, etc, as well as converting the FCP output to another format after importing into Adobe Premiere Pro. The solution that seemed to have a higher rate of success was using Adobe's Premiere free online MP4 converter. But even then, the online converter (1) didn't always work in preventing the green line at that step, (2) doesn't accept videos over 2 GB to process, (3) compresses slightly more than I'd like, which may be exacerbated by point #2, and (4) relies on an online service that could disappear at any time.

I haven't had the green line issue with uploading the same video on other services I use including TikTok and YouTube. I presume it's probably an Instagram issue, and I already reported it to them. However, if anyone knows of any [other/better] workarounds involving FCP, I'm willing to try. Thanks in advance.


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Last edit: by connorhawke. Reason: clarification

Green line appears in Instagram 01 Dec 2022 19:30 #123145

I noticed the same thing in tiktok((
has anyone met this issue?

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Green line appears in Instagram 05 Dec 2022 00:52 #123186

I guess it was the new update of the app which worked kind of weirdly for the first couple of hours. I noticed the issue again and started worrying if this gonna be for a long time. After I reinstalled the app everything came into place and I started working on my profile as I usually do. I got hired by a dropshipping company that needs content every 2-3 hours so I usually film and edit videos as well as do some marketing tricks like buying TikTok Likes . This service helps me get the videos in recommendations and then find new clients for the company.

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Last edit: by PaulinaM.
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