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MD5 SHA256
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Convert MD5 to SHA256

Can you convert MD5 to SHA256?
Verified by Adam B.· reviewed by FE Editorial ·updated Jul 28, 2026
QUICK ANSWER
Is it possible to convert MD5 to SHA256?
No - not a direct conversion.

A .md5 file stores only a 32-character hash; the original file's bytes are not recorded anywhere inside it. To get a SHA-256 checksum you must run SHA-256 on the original file from scratch - the existing MD5 plays no part in that calculation.

No direct path
Also to SHA256: SFV · SHA1

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert MD5 to SHA256?

MD5 reduces an input to 128 bits via a one-way function (RFC 1321, 1992); SHA-256 produces 256 bits via a completely separate algorithm. The two outputs share no mathematical relationship - you cannot derive one from the other. A .sha256 sidecar is computed independently from the same source file; without that source file there is nothing to feed into the SHA-256 algorithm.

How to convert MD5 to SHA256

certutil FREE

Run certutil -hashfile yourfile SHA256 on the original file to produce its SHA-256 digest, then save the output as a .sha256 sidecar alongside the filename.

Get-FileHash FREE

Run Get-FileHash yourfile -Algorithm SHA256 in PowerShell on the original file to compute and display its SHA-256 digest.

sha256sum FREE

Run sha256sum yourfile on the original file; redirect the output to a .sha256 sidecar to match the plain-text format of the original .md5 file.

About these formats

.MD5 MD5 Checksum File

An MD5 file is a small text file holding a 32-character fingerprint of another file (an ISO, installer, or archive). You use it to confirm your download arrived without corruption: compute…

Open .MD5 details →
.SHA256 SHA-256 Checksum File

A .sha256 file is a small plain-text file holding a 64-character SHA-256 fingerprint of another file. You use it to confirm a download arrived without corruption or tampering: compute the…

Open .SHA256 details →

Quality & what to watch

  • If you have only the .md5 digest and not the original file, there is no way to produce a SHA-256 - contact the publisher for a SHA-256 checksum or re-download from a source that provides one.
  • MD5 is cryptographically broken: attackers can produce two different files sharing the same MD5 digest. SHA-256 does not share this weakness and is preferred for security-sensitive downloads.
  • Running SHA-256 on the original file is a fresh computation, not a conversion - the existing .md5 plays no role in the result.

Frequently asked questions

Can any tool convert an MD5 hash to SHA-256?
No - any tool claiming to do this is a scam; the hash function is not reversible and the calculation is impossible without the original source file.
I have the original file. Do I convert its MD5 to SHA-256?
No - you compute the SHA-256 of the original file independently; the existing MD5 plays no part in that calculation.
The publisher only provides an MD5. How do I get a SHA-256?
You cannot derive one from the MD5; if you have the file you can generate the SHA-256 yourself, but you will have no published value to compare it against unless the publisher provides one.