Magic number Packages

Detect Filetype by bytes

Determines the type of image.

Check if stream or buffer is a valid mime-type

Check if a Buffer/Uint8Array is an FLV video

Check if a Buffer/Uint8Array is a .ico file

Check if a Buffer/Uint8Array is a postscript

魔数命令行工具

魔数服务器

Package to validating file extension, file mime type based on their buffer.

File extractor to get real extension of file given by checking through the file's signature

Detect Filetype by bytes

魔数客户端(node执行环境)

魔数核心类

魔数覆盖率报告

魔数webpack插件

Javascript library made to validate, several form fields, such as: email, images, phone, password, cpf etc.

Detect mime type and encoding (aka Content-Type) from buffer, file content and filename.

Complete any missing media type for you

File extractor to get real extension of file given by checking through the file's signature

small library to validate Files by reading each magic number from a file