PHP PRONOM drip: Recognize file formats using PRONOM registry (open source, website).MediaInfo (cross-platform, open source, website): 'MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.'.Konvertor (tool to display and convert between 4000+ different formats, freeware website).JHOVE (tool to classify/identify/validate file formats).G-Spot (Windows, freeware, website): Identifies audio and video codecs need to play a media file.FI Tools (Windows, commercial, website).File Information Tool Set: software from the Harvard University library to identify file formats and extract metadata.See the Debian man page for an overview, and this guide to creating 'magic' entries for it. File command (various implementations): a standard Unix command, found on almost all Unix and Unix-like (i.e., Linux) systems.FIDOO (web-based online file identification): website.

FIDO (cross-platform, open source) website: Format Identification for Digital Objects, written in Python.

DROID (cross-platform, open source, website): 'DROID is a software tool developed by The National Archives to perform automated batch identification of file formats.' Requires Java 7 or 8 (Version 6.1.5).Apache Tika (cross-platform, open source, website): 'The Apache Tika™ toolkit detects and extracts metadata and structured text content from various documents using existing parser libraries.' Written in Java.Software that automates the process of Identifying Files.

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