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Free Developer Tool

Checksum Verifier

Calculate a checksum from text or a selected file and compare it with an expected checksum.

What is Checksum Verifier?

Verify the integrity of text or files by calculating a checksum and comparing the result with a known expected value. Select a supported checksum algorithm, provide text or upload a file, then compare the calculated value with the checksum you received from another source.

How to use

  1. Select a checksum algorithm.
  2. Enter text or select a file to verify.
  3. Enter the expected checksum.
  4. Calculate the checksum.
  5. Compare the calculated and expected values.

Features

  • Text checksum verification
  • File checksum verification
  • Multiple checksum algorithms
  • Expected checksum comparison
  • Case-insensitive hexadecimal comparison
  • Match and mismatch status

Common Use Cases

  • Verifying downloaded files
  • Checking file integrity
  • Validating software downloads
  • Comparing generated checksums
  • Debugging data transfer issues

Example

Input
Algorithm: SHA-256
Input: hello
Expected checksum:
2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824
Output
Calculated checksum:
2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824

Result: Checksum matches

FAQ

What does a checksum verify?

A checksum can help verify that data has not changed between two points by comparing a calculated value with a known expected value.

Can I verify a file checksum?

Yes. You can select a file and calculate its checksum directly in the browser.

Can I verify text instead of a file?

Yes. The tool can calculate a checksum from text entered directly into the input.

Does capitalization matter when comparing hexadecimal checksums?

No. Hexadecimal letters have the same value regardless of whether they are written in uppercase or lowercase.

Does a matching checksum prove a file is safe?

No. A matching checksum only shows that the calculated value matches the expected value. It does not by itself prove that a file is trustworthy or malware-free.