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Webtoon uploading thumbnails issue solution

I've had this issue for 2 years but never found any available solution before, everyone i found having this issue never solved it. So i thought i should share it and help the others.

The solution is pretty simple: webtoon is a Korean website so the only thing you need is a Korean web browser: Naver Whale.

Download and install it. If it says any problem with languages, change language to English in settings and restart it.

So I've been trying to upload my comics to webtoon since 2022, but never succeeded because I've always been stuck at the first step: uploading thumbnails. My image files followed exactly the guidelines but the uploading icon kept spinning for 2 years.

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I had tried Google Chrome, Edge, Firefox... It had never worked. Using developer mode by pressing F12 could see a lot of third party cookie/tracker and json.parse errors, which my small brain couldn't handle a tiny bit of them.

Until today, a thought popped up in my mind: Webtoon is a Korean website, maybe a Korean web browser should do it?

and poof! it worked! now i can finally stack my comics there im crying

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