该工具通过读取文件的二进制魔法数字来准确判断文件类型和MIME Type，支持高亮显示魔法数字，比文件扩展名更可靠。
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文件的扩展名有时并不可靠，该工具根据读取文件二进制的魔法数字并将魔法数字高亮显示，来确定文件真正的扩展名及 MIME Type。地址: https://devtool.tech/filetype
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