Checksum Verifier
Calculate and verify file checksums using MD5, SHA-1, SHA-256, SHA-384, or SHA-512. Verify file integrity with our free online hash calculator.
How to Verify File Checksums
- 1 Drop a file or enter text to hash
- 2 Select the hash algorithm (MD5, SHA-256, etc.)
- 3 Click Calculate Hash to generate the checksum
- 4 Paste the expected hash to verify integrity
- 5 Check if hashes match to confirm file authenticity
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Last updated: January 15, 2026 · v2.1