Canva now allows you to import PDFs and some IDML structures. If you can get the sender to save the IDML as a high-quality PDF, Canva can "deconstruct" it into an editable layout. Common Issues When Opening IDML Files Online
If you only need to the file and don't need to edit it, GroupDocs is the fastest solution. open idml file online free
: This browser-based editor is a powerful free alternative that requires no installation. You can simply drag and drop your IDML or INDD file into the workspace to view layers, pages, and text. It even allows for basic editing of colors, shapes, and text before exporting the file to formats like PSD, JPG, or PDF. Canva now allows you to import PDFs and some IDML structures