.MD5 File Extension

MD5 Checksum File

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What is an MD5 file?

An MD5 file is a checksum file used to verify the integrity of a disc, disk image, or a downloaded file. It stores a checksum, which is a value created from an algorithm based on the number of bits in the file. MD5 files are sometimes generated when a disk image is created.

More Information

MD5 files function similarly to human fingerprints. They are unique and are used to verify identity. This is especially important for security reasons in case a file is changed for malicious purposes or corrupted from a disk error or incomplete file transfer.

NOTE: Standard MD5 checksums are 32 characters long, which requires 16 bytes or 128 bits.

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Programs that open MD5 files

Verified by FileInfo.com

The FileInfo.com team has independently researched the MD5 Checksum file format and Mac and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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