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File Format Detector

Detect file formats by analyzing file headers and content. Upload any file to identify its format, type, and detailed information.
📖 Usage Guide
1
Step 1
Click 'Load File' to select any file from your computer.
2
Step 2
The tool will analyze the file header and content to determine the format.
3
Step 3
View detailed information about the file format, type, and properties.
✨ Features
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Detect file formats by analyzing file headers and magic numbers.
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Support for hundreds of different file formats and types.
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Display file header in both hexadecimal and ASCII format.
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Provide detailed file information including size and extension.
🔬Mini Tutorial
文件格式检测原理This tool uses advanced file format detection algorithms to identify files based on their binary signatures, magic numbers, and content structure. It supports detection of hundreds of different file formats including images, documents, archives, executables, and multimedia files.
魔术数字识别文件格式检测主要基于文件头部的魔术数字（Magic Numbers）进行识别。每个文件格式都有独特的二进制签名，位于文件的开头几个字节。通过分析这些字节序列，可以准确识别文件的真实格式，即使文件扩展名被修改。
内容结构分析除了魔术数字，文件格式检测还会分析文件的内容结构。不同格式的文件有其特定的内部组织结构，如压缩文件的头部信息、图像文件的元数据、文档文件的内部结构等。这些特征有助于更准确地识别文件格式。
应用场景文件格式检测工具广泛应用于数据恢复、安全分析、文件管理、恶意软件检测等领域。它帮助用户识别未知文件、验证文件完整性、检测文件伪装，以及进行数字取证和安全审计。