1. A method comprising: sending, from a mobile client device, a request to preview a file uploaded to a web-based collaboration platform, the uploaded file having a source format; receiving, at the mobile client device, preview information for accessing and manipulating the preview of the uploaded file, the preview information including a scheme to access one or more file segments of the uploaded file, wherein the file segments are byproducts of a conversion of the file from the source format to a target format, the file segments having a requested preview format; accessing the one or more file segments of the uploaded file using the scheme; and displaying, at the mobile client device, the accessed file segments on a touch screen of the mobile client device, the displayed segments being responsive to swiping actions determined based on the source format.