Described are computer-based methods and apparatuses, including computer program products, for metadata enhanced filenames. A filename is received, the filename including a first set of characters that represents a name for the electronic file, and a second set of additional characters. The filename is parsed to identify the second set of additional characters. Metadata associated with the electronic file is determined based on the second set of additional characters without downloading additional data of the electronic file. The electronic file is processed based on the determined metadata.