We support a wide variety of file types over MMS including images, video, and PDFs. You can upload a maximum file size of 10MB for JPEG and PNG, and we'll resize these for delivery. As GIF files can't be resized, the maximum size if limited to 1 MB.
With toll-free numbers, supported file types include wav, 3gp, and PDF which are all limited to 1 MB for upload and sending.
On shared short codes, supported file types include wav, mp3, 3gp, mp4, and PDF which are also limited to 1 MB for upload and sending.