1. input type=file can be used to upload any file format (or any non-format, for that matter). If you want specific file formats, you make your intention clear.

1. input type=file can be used to upload any file format (or any non-format, for that matter). If you want specific file formats, you make your intention clear. 2. Please try to read the entire comment. iOS does default to JPEG when uploading, the accept attribute isn't needed.