Safari already supports a permission-less file system API with a very similar security model to iOS's filesystem access. https://developer.mozilla.org/en-US/do

Safari already supports a permission-less file system API with a very similar security model to iOS's filesystem access. https://developer.mozilla.org/en-US/docs/Web/API/File_System_API/Origin_private_file_system https://developer.mozilla.org/en-US/docs/Web/API/File_System... https://webkit.org/blog/12257/the-file-system-access-api-with-origin-private-file-system/ https://webkit.org/blog/12257/the-file-system-access-api-wit... It's able to support this because the 'file system' is scoped specifically to that origin, and doesn't allow access to any aribtary location on the file sytem, just like iOS.