2 items
AI-powered file content checker, powered by Google Magika. Works 100% offline. Ever downloaded a file and wondered if it's really what it claims to be? FileType Checker uses AI to look inside your files and tell you what they actually are — no guessing, no sketchy uploads. Just drop a file into the popup and get an instant verdict: does the content match the extension, or is something off? Great for spotting renamed files, suspicious downloads, or just satisfying your curiosity. Powered by Google's Magika AI model, FileType Checker can identify 200+ file types — from PDFs and images to source code, archives, executables, and more. It checks the actual bytes of your file, not just the name. The best part? Everything runs locally in your browser. Your files never leave your machine. No servers, no uploads, no internet required. 100% offline, 100% private. Key features: 🔍 AI-powered content detection for 200+ file types 🛡️ Flags mismatches between file extensions and actual content 📁 Simple drag-and-drop or click-to-browse interface 🔒 Fully offline — your files stay on your device ⚡ Fast analysis with no external dependencies
Apr 15, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.