You can try https://www.photo.gallery/ for a photo gallery website and https://embed.files.gallery/ to use for any other website. Works well, without much fuss. They also have a files app, one php file that can be placed in any folder (https://files.gallery/. Source: over 1 year ago

Last thing, I came across this beautiful looking media server a few weeks ago on Hacker News. Maybe it'll suit your needs - files.gallery. Source: over 2 years ago

I've only had B2 for a couple months and only started actually using it in the last month. I've done a couple operations using their CLI tool, mainly created app keys with more granular permissions than the web interface. My main backup is using Duplicati to upload to a bucket. I've also used https://s3browser.com/ a little including doing a couple uploads of individual large files that are separate from my... Source: over 1 year ago

I've only done single files and won't be able to test for a few days but maybe S3 browser. https://s3browser.com/. Source: over 1 year ago

I can connect to the bucket using S3 Browser for Windows over proxy. Source: over 1 year ago

I've used this in the past https://s3browser.com/ and it was a nice UX. Speed was good with the multipart uploads. You would have to do any access control from the IAM side with prefixes though. Source: about 2 years ago

If you need to upload dataset from Windows machine you can use https://s3browser.com/ it's nice GUI for S3 buckets. Source: over 2 years ago