Hi and welcome to the forum! You can’t increase the file size limit on free hosting. If you’re trying to upload a large website that is available on a compressed archive, please extract it on your computer and then upload the contents of that folder inside your htdocs folder through an FTP client. Also, see these articles (they are strictly connected with each other):
Sometimes, when you upload a file, the upload is completed but the file is deleted immediately afterwards. This is usually caused by one of the following issues:
InfinityFree has a file size limit of 10 MB on all servers. You cannot upload files larger than 10 MB.
how to upload files with FTP article for more…
On all InfinityFree servers is a file size limit of 10 MB. It’s important to note that this is a file size limit and not an upload limit.
The difference is subtle, but important. An upload limit could be set through PHP settings, but this limit is enforced on the file system level. No PHP configuration can override this limit and it applies to files uploaded through FTP or the file manager as well.
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