Uppercase MD5 Hash

Generate an MD5 hash in uppercase hex (A–F). Some Windows tools and older APIs expect this format.

Part of the free MD5 Hash Generator. Runs in your browser — nothing is uploaded.

Uppercase MD5 Hash

An MD5 digest is hex. Case does not change the value, but some systems compare strings case-sensitively. Generate the digest and switch it to uppercase when a receiver wants A–F.

Worked example: Lowercase and uppercase

Text

hello

Both cases

5d41402abc4b2a76b9719d911017c592
5D41402ABC4B2A76B9719D911017C592

Practical tip

Store lowercase in databases and uppercase only at the edge. That prevents duplicate rows that differ only by case.

How to use this MD5 Generator

  1. 1Use the live tool above — it runs entirely in your browser and never uploads your data.
  2. 2Paste the sample from the worked example, or use your own input.
  3. 3Copy the result, then adapt the same steps in your editor, script, or pipeline.

Uppercase MD5 Hash FAQs

Does uppercase MD5 hash differently?

No. Only the printed hex digits change. The 128 bits are identical.

Which case does md5sum use?

Lowercase. PowerShell’s Get-FileHash prints uppercase.