Techniques are disclosed for render documents that are in proprietary formats in a browser or mobile device. In one embodiment, a method comprises converting a plurality of resources in a document file into a plurality of files that are native to a browser. The method further comprises creating a style sheet based on the document file, wherein an aggregate of the plurality of files together with the style sheet are configured to cause the browser to render an appearance of the document file. The method further comprises generating, based on the document file, an invisible layer to be laid on the appearance, wherein the invisible layer enables actions to be performed on the document file. Among other advantages, embodiments disclosed herein provide the convenience of viewing and accessing documents regardless of whether a software or plug-in therefor is installed.