<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>FilesType.com Blog</title><description>Notes on file formats, content-based detection, and what happens when extensions lie.</description><link>https://filestype.com/</link><language>en-us</language><item><title>How Magika AI detects mislabeled files (and why extensions lie)</title><link>https://filestype.com/blog/how-magika-detects-mislabeled-files/</link><guid isPermaLink="true">https://filestype.com/blog/how-magika-detects-mislabeled-files/</guid><description>Filename extensions are user-provided metadata - they can be wrong, missing, or actively deceptive. Here&apos;s how a small deep-learning model figures out the truth from a few hundred bytes.</description><pubDate>Wed, 22 Apr 2026 00:00:00 GMT</pubDate><category>magika</category><category>ai</category><category>security</category><category>file-formats</category></item><item><title>PDF vs DOCX vs ODT: when each format wins</title><link>https://filestype.com/blog/pdf-vs-docx-vs-odt/</link><guid isPermaLink="true">https://filestype.com/blog/pdf-vs-docx-vs-odt/</guid><description>The three dominant document formats look interchangeable until you actually try to do something with them. Here&apos;s a practical comparison.</description><pubDate>Wed, 08 Apr 2026 00:00:00 GMT</pubDate><category>formats</category><category>documents</category><category>pdf</category><category>docx</category><category>odt</category></item><item><title>Detecting disguised malware by content, not extension</title><link>https://filestype.com/blog/detecting-disguised-malware/</link><guid isPermaLink="true">https://filestype.com/blog/detecting-disguised-malware/</guid><description>Renaming a binary doesn&apos;t change what it is - but most filters never look past the extension. A practical guide to content-based defense.</description><pubDate>Wed, 25 Mar 2026 00:00:00 GMT</pubDate><category>security</category><category>malware</category><category>detection</category><category>defense</category></item><item><title>A practical guide to ZIP, 7Z, RAR, and TAR</title><link>https://filestype.com/blog/zip-7z-rar-tar-archives/</link><guid isPermaLink="true">https://filestype.com/blog/zip-7z-rar-tar-archives/</guid><description>Four archive formats that look interchangeable until you ship one across platforms. Here&apos;s when to use each, and how to tell them apart from the bytes.</description><pubDate>Wed, 11 Mar 2026 00:00:00 GMT</pubDate><category>formats</category><category>archives</category><category>compression</category></item><item><title>Reading binary files: ELF, Mach-O, and PE explained</title><link>https://filestype.com/blog/reading-binary-files-elf-macho-pe/</link><guid isPermaLink="true">https://filestype.com/blog/reading-binary-files-elf-macho-pe/</guid><description>The three executable formats that run almost every program on every desktop OS. A guided tour for people who want to know what&apos;s really inside.</description><pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate><category>formats</category><category>binaries</category><category>elf</category><category>macho</category><category>pe</category><category>low-level</category></item><item><title>Why MIME types alone aren&apos;t enough</title><link>https://filestype.com/blog/why-mime-types-are-not-enough/</link><guid isPermaLink="true">https://filestype.com/blog/why-mime-types-are-not-enough/</guid><description>The browser tells you what it thinks a download is. The server told the browser what to think. Neither of them looked at the bytes. Here&apos;s why that&apos;s a problem.</description><pubDate>Thu, 12 Feb 2026 00:00:00 GMT</pubDate><category>security</category><category>mime</category><category>web</category><category>detection</category></item></channel></rss>