I think you're missing the point of Adminer even if it's part of the title. The tools you mentioned require Heroku or Docker, definitely not equivalent to "let

I think you're missing the point of Adminer even if it's part of the title. The tools you mentioned require Heroku or Docker, definitely not equivalent to "let me ftp this file up to this shared hosting" If I have SSH access to an SQL server, there are even better native applications that can run locally.