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Controlled server processing

Free Online File Checksum Calculator

Compute actual MD5, SHA-256 and SHA-512 checksums of uploaded bytes. MD5 is included for legacy checksums only. Files are processed temporarily on this server, with an 8 MiB combined upload limit.

Inputs are sent to this server. Uploads are processed temporarily and not retained. Network diagnostics may query public resolvers or the destination website.

Result

How to use File Checksum Calculator

Compute actual MD5, SHA-256 and SHA-512 checksums of uploaded bytes. MD5 is included for legacy checksums only. Files are processed temporarily on this server, with an 8 MiB combined upload limit.

  1. Set File (maximum 8 MiB).
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.

Example & practical use

Compute actual MD5, SHA-256 and SHA-512 checksums of uploaded bytes. MD5 is included for legacy checksums only. Files are processed temporarily on this server, with an 8 MiB combined upload limit. The example below demonstrates File (maximum 8 MiB).

Example input:
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Result: Actual processed output or live service answers; values depend on the input and request time.

Features & result limitations

Compute actual MD5, SHA-256 and SHA-512 checksums of uploaded bytes. MD5 is included for legacy checksums only. Files are processed temporarily on this server, with an 8 MiB combined upload limit.

Frequently asked questions

What inputs does File Checksum Calculator accept?

File (maximum 8 MiB)

How should I interpret the File Checksum Calculator result?

Compute actual MD5, SHA-256 and SHA-512 checksums of uploaded bytes. MD5 is included for legacy checksums only. Files are processed temporarily on this server, with an 8 MiB combined upload limit.

Where does File Checksum Calculator process my data?

Inputs are processed on this server. Uploads use temporary files removed at request end. Public diagnostics contact the named resolvers or website. Private text is not stored in usage counters.