Utility & Security

Checksum Calculator

Calculate MD5, SHA checksums for files

Created and maintained by: CalcTago Editorial TeamLast updated: 2026-02-13

Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.

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Frequently asked questions

What does the Checksum Calculator do?

It helps you calculate MD5, SHA checksums for files.

What inputs do I need?

Enter Value.

Are decimals supported?

Yes, you can use decimal values where appropriate.

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About this tool

This Checksum Calculator turns your inputs into practical results. Provide Value to calculate MD5 and SHA-1.

Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.