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🔮 Magic Bytes Viewer

Browse magic bytes signatures for common file formats with search, category filters, and drag-and-drop file identification

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Drop a file here, or click to select a file
Only reads the first 64 KB, no data is uploaded

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Magic bytes (file signature) reference tool covering 70 common file format signatures, categorized by image, audio, video, archive, document, executable, font, database, disk, and more. Supports keyword search, category filters, and drag-and-drop file identification with hex dump display. Each signature includes hex bytes, offset, ASCII representation, MIME type, and bilingual descriptions with one-click copy. Everything runs locally in your browser—no files are uploaded.